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GOST 4960-2009

STATE 12339-2016 GOST P 55433-2013 GOST P 55432-2013 GOST 4960-2009 GOST 9722-97 GOST 5494-95 GOST 19106-73 GOST 9453-75 GOST 20559-75 GOST 14086-68 GOST 9723-73 GOST 21125-75 GOST 5426-76 GOST 22025-76 GOST 13834-77 GOST 13833-77 GOST 9721-79 GOST 10285-81 GOST 12342-81 GOST 26719-85 GOST 13084-88 GOST 10096-76 GOST 2330-76 GOST 12343-79 GOST 4411-79 GOST 12338-81 GOST 26252-84 GOST 10284-84 GOST 26802-86 GOST 9849-86 GOST 3882-74 GOST 880-75 GOST 11378-75 GOST 4960-75 GOST 12601-76 GOST 12339-79 GOST 31290-2005 GOST 26630-85 GOST 26530-85 GOST 29278-92 GOST 25405-90 GOST 19046-80 GOST 25406-90 GOST 19078-80 GOST 24257-80 GOST 19065-80 GOST 24247-80 GOST 25412-90 GOST 25396-90 GOST 25400-90 GOST 25425-90 GOST 25410-82 GOST 25420-90 GOST 19074-80 GOST 19083-80 GOST 19048-80 GOST 25414-90 GOST 19062-80 GOST 25415-90 GOST 24253-80 GOST 24251-80 GOST 24249-80 GOST 24254-80 GOST 27302-87 GOST 25393-90 GOST 19067-80 GOST 25411-90 GOST 19068-80 GOST 25397-90 GOST 19059-80 GOST 19049-80 GOST 25398-90 GOST 19075-80 GOST 19061-80 GOST 20312-90 GOST 19051-80 GOST 25402-90 GOST 24252-80 GOST 25417-82 GOST 19043-80 GOST 20771-82 GOST 19081-80 GOST 19086-80 GOST 19056-80 GOST 19047-80 GOST 25421-90 GOST 25413-82 GOST 25418-82 GOST 27301-87 GOST 4872-75 GOST 19084-80 GOST 24255-80 GOST 19050-80 GOST 25401-90 GOST 19052-80 GOST 25426-90 GOST 25423-90 GOST 25399-90 GOST 19073-80 GOST 19057-80 GOST 2209-90 GOST 25403-82 GOST 19044-80 GOST 25408-90 GOST 25395-90 GOST 25409-90 GOST 25407-90 GOST 19071-80 GOST 28378-89 GOST 25419-90 GOST 19045-80 GOST 25003-81 GOST 25394-90 GOST 19077-80 GOST 19072-80 GOST 19080-80 GOST 17163-90 GOST 24250-80 GOST 25424-90 GOST 19063-80 GOST 19070-80 GOST 19076-80 GOST 24256-80 GOST 25422-90 GOST 25404-90 GOST 19064-80 GOST 24248-80 GOST 19069-80 GOST 19079-80 GOST 25416-90 GOST 19053-80 GOST 19042-80 GOST 19085-80

GOST 4960−2009 copper Powder electrolytic. Specifications (with Change No. 1)


GOST 4960−2009

Group 56


INTERSTATE STANDARD

COPPER POWDER ELECTROLYTIC

Specifications

Electrolytic copper powder. Specifications



OKS 77.160
GST 17 9311

Date of introduction 2010−07−01



Preface


Goals, basic principles and main procedure of works on interstate standardization have been established in GOST 1.0−92 «interstate standardization system. Basic provisions» and GOST 1.2−97 «interstate standardization system. Interstate standards, rules and recommendations on interstate standardization. The procedure of development, adoption, application, renewal and cancellation"

Data on standard

1 DEVELOPED by the Interstate technical Committee for standardization MTK 503 «Copper», OAO «uralmekhanobr"

2 as AMENDED by the Federal Agency for technical regulation and Metrology

3 ACCEPTED by the Interstate Council for standardization, Metrology and certification (minutes N 35 dated June 11, 2009)

The standard was accepted by voting:

     
Short name of the country
by MK (ISO 3166) 004−97
Country code
by MK (ISO 3166) 004−97
Abbreviated name of the national authority for standardization
Azerbaijan AZ Azstandart
Belarus BY Gosstandart Of The Republic Of Belarus
Kazakhstan KZ Gosstandart Of The Republic Of Kazakhstan
Kyrgyzstan KG Kyrgyzstandard
Moldova MD Moldova-Standard
Russian Federation EN Federal Agency on technical regulation and Metrology
Tajikistan TJ Tajikstandart
Ukraine UA Derzhspozhyvstandart Of Ukraine

4 by Order of the Federal Agency for technical regulation and Metrology from September 1, 2009 N 313-St inter-state standard GOST 4960−2009 introduced as a national standard of the Russian Federation from July 1, 2010

5 REPLACE GOST 4960−75


Information about introduction in action (termination) of this standard is published in the index «National standards».

Information about the amendments to this standard is published in the index «National standards», and the text changes — in the information sign «National standards». In case of revision or cancellation of this standard the appropriate information will be published in the information index «National standards»



The Change N 1, approved and promulgated by the Order of Rosstandart from 26.11.2014 No. 1792-St c 01.09.2015

Change No. 1 made by the manufacturer of the database in the text IUS N 3, 2015

1 Scope


This standard applies to copper powder, obtained by electrolytic method, intended for the production of parts by powder metallurgy and other purposes.

The standard specifies requirements for copper powder, used in electrical, instrumentation, automotive, aviation, engineering, chemical and other industries and for export.

2 Normative references


This standard uses the regulatory references to the following international standards:

GOST 8.010−90* State system for ensuring the uniformity of measurements. Methods of measurement
______________
* On the territory of the Russian Federation GOST R 8.563−2009 «State system for ensuring the uniformity of measurements. Techniques (methods) of measurements».

GOST 12.0.004−90 System of standards of occupational safety. Organization of training safety. General provisions

GOST 12.1.004−91 System safety standards. Fire safety. General requirements

GOST 12.1.005−88 standards System of labor safety. General hygiene requirements for working zone air

GOST 12.1.007−76 System of standards of occupational safety. Harmful substances. Classification and General safety requirements

GOST 12.1.016−79 System of standards of occupational safety. The air of the working area. Requirements for measurement techniques of concentrations of harmful substances

GOST 12.3.009−76 System of standards of occupational safety. The work of loading and unloading. General safety requirements

12.4.009 GOST-83 System of standards of occupational safety. Fire fighting equipment for protection of objects. Principal. The accommodation and service

GOST 12.4.021−75 System safety standards. System ventilation. General requirements

GOST 17.2.3.01−86 nature Protection. Atmosphere. Rules of air quality control of settlements

GOST 17.2.3.02−78 Protection of nature. Atmosphere. Rules for establishing permissible emissions of harmful substances by industrial enterprises

GOST 2768−84 Acetone. Specifications

GOST 4207−75 Potassium ferrocyanide 3-aqueous. Specifications

GOST 4461−77 nitric Acid. Specifications

GOST 5044−79 thin-walled steel Drums for chemical products. Specifications

GOST 6507−90 Micrometers. Specifications

GOST 6613−86 Grids wire woven with square cells. Specifications

GOST 9147−80 Glassware and equipment lab porcelain. Specifications

GOST 9557−87 flat wooden Pallet size 800x1200 mm. specifications

GOST 9717.2−82 Copper. Method of spectral analysis on a metal standard samples with photographic registration of spectrum

GOST 9717.3−82 Copper. Method of spectral analysis of oxide standard specimens

GOST 10354−82 polyethylene Film. Specifications

GOST 10671.5−74 Reagents. Methods of determination of impurities of sulphates

GOST 13938.11−78 Copper. Method for the determination of arsenic

GOST 14192−96 Marking of cargo

GOST 17811−78 polyethylene Bags for chemical products. Specifications

GOST 18897−98 (ISO 4491−2-97) Powder metal. Determination of oxygen content by methods of recovery. Weight loss while restoring the hydrogen (hydrogen loss)

GOST 19433−88 dangerous Cargo. Classification and marking

GOST 19440−94 (ISO 3923−1-79, ISO 3923−2-81) Powder metal. Determination of bulk density. Part 1. Method using funnel. Part 2. Method volumemeter Scott

GOST 20899−98 (ISO 4490−78) Powder metal. Determination of yield strength using a calibrated funnel (Hall device)

GOST 21650−76 means of fastening of package cargoes in transport packages. General requirements

GOST 22235−2010 freight Wagons main Railways of 1520 mm. General requirements for ensuring safety during loading-unloading and shunting works

GOST 23148−98 (ISO 3954−77) Powders used in powder metallurgy. Sampling

GOST 24104−2001 laboratory Scales. General technical requirements*
________________
* On the territory of the Russian Federation GOST R 53228−2008 «Scales non-automatic actions. Part 1. Metrological and technical requirements. Test».

GOST 24597−81 the packaged goods. Basic parameters and dimensions

GOST 25336−82 Glassware and equipment laboratory glass. The types, basic parameters and dimensions

GOST 25849−83 Powder metal. Method of determination of particle shape

GOST 26663−85 transport Packs. Formation with the use of packaging. General technical requirements

GOST 27417−98 (ISO 4491−4-89) Powder metal. Determination of total oxygen content by the method of reductive extraction

GOST 31340−2007 Precautionary labels for chemical products. General requirements

GOST 31382−2009 Copper. Methods of analysis

Note — When using this standard appropriate to test the effect of reference standards in the state at the corresponding index of standards, made as of January 1 of the current year and related information signs, published in the current year. If the reference standard is replaced (changed), when using this standard should be guided by replacing (amended) standard. If the reference standard is cancelled without replacement, then the situation in which the given link applies to the extent that does not affect this link.


(Changed edition, Rev. N 1).

3 Technical requirements

3.1 Main characteristics

3.1.1 depending on the physico-chemical properties of copper powder is manufactured in the following grades:

PMS-1, PMS-A, PMS-11 — stable powder;

PMS-To — powder stable konopatochny;

PMS-In — powder stable;

PMS-N — low-dispersion powder stabilized.

3.1.2 the Scope of application of copper powder is listed in Appendix A.

3.1.3 Copper powder must be manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner. Chemical composition of copper powder shall conform to the standards specified in table 1.


Table 1 — Chemical composition of copper powder

                     
Brand powder OKP code Mass fraction, %
    copper, not less than impurity, not more than moisture, not more than
      iron lead arsenic antimony sour-
kind
sulfur-
sour soy — dinani metals in terms of Sul-
fat-ion
proc-
Lenno residue after treatment with nitric acid
 
PMS-IN
17 9311 0008 99,5 0,018 0,05 0,003 0,005 0,10 0,01 0,04 0,05
PMS-1
17 9311 0003 99,5 0,018 0,05 0,003 0,005 0,20 0,01 0,04 0,05
PMS-11
17 9311 0015 99,5 0,018 0,05 0,003 0,005 0,20 0,01 0,04 0,05
PMS-A
17 9311 0007 99,5 0,018 0,05 0,003 0,005 0,30 0,01 0,04 0,05
PMS-K
17 9311 0005 99,5 0,06 0,05 0,003 0,005 0,50 0,01 0,05 0,05
PMS-N
17 9311 0006 99,5 0,06 0,05 0,003 0,005 0,50 0,01 0,05 0,05
Note — At the customer’s request mass fraction of copper powder brand PMS-In — not less than 99.8% for the other brands — not less than 99.7 per cent.

3.1.4 particle size distribution and apparent density of copper powder shall conform to the standards specified in tables 2 and 3, respectively.


Table 2 — Granulometric composition of copper powder

               
The number of sieve mesh according to GOST 6613
Particle size, microns Granulometric composition of copper powder, % for brands
    PMS-IN PMS-K PMS-N PMS-1 PMS-A PMS-11
045 To
<450 - 90,0−100,0 - - - -
0224 To

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)224

0.1 Mach - - - - -
  <224 - - 95,0−100,0 - - -
018 To
<180 - 10 max - - - -
014 To

<224-ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)140

1.0 Mach - - - - -
01 To

<140-ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)100

5,0−15,0 - - - - -
 

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)100

- - - - - 0.1 Mach
  <100 - - - 99,5−100,0 99,5−100,0 -
0071 To
<71 - - - 90,0−100,0 90,0−100,0 -
0063 To

<100-ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)63

35,0−45,0 - - - - -
  <63 - - - - - 95,0−100,0
0045 To

The <63-ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)45

25,0−35,0 - - - - -
  <45 10,0−25,0 - - 65,0−80,0 73,0−80,0 -

Note — the Sign «<" — pass through a sieve, the sign "ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)"is the residue on the sieve.



Table 3 — bulk density of copper powder

           

Bulk density of copper powder, g/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), for grades

PMS-IN
PMS-K PMS-N PMS-1 PMS-A PMS-11
2.4 to 2.7
2,5−3,5 2,5−3,5 1,25−2,0 1,3−1,5 1,25−1,9

Notes

1 Limit deviation values of bulk density of powder in unit package of the average bulk density of the powder in the party is ±0.1 g/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)at a confidence level ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of 0.95.

2 bulk density of copper powder for electrical industry must comply with the brand PMS-1 values from 1.7 to 2.0 g/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1).

3 allowed range limit bulk density copper powder brand PMS-1 for the electrical industry in agreement with the consumer.

3.1.5 Strength wet pressing of copper powder brand PMS-density 6.7 g/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)should be not less than 60 kgf/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1).

(Changed edition, Rev. N 1).

3.1.6 the fluidity of the powder brand PMS-In should not exceed 36.

3.1.7 Upon the request of the consumer in the copper powder brand PMS-And determine specific surface area, electrical resistivity and the number of particles with nominal diameter not more than 10 µm.

Copper powder brand PMS-A:

— should have a specific surface area of particles from 1000 to 1700 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)/g;

— electrical resistivity of copper powder should not exceed 20·10ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)Ohm·m;

— the number of particles with nominal diameter not more than 10 µm, the copper powder should be from 25% to 60%.

3.1.8 Powder should have impurities and lumps.

3.1.9 (Deleted, Rev. N 1).

3.1.10 the particle Shape of copper powder of all grades should be dendritic.

3.1.11 the Established values of indicators of quality powder brand PMS-In each packaging unit of the party must not differ from the average values of the relevant indicators of the quality of the powder in the party by more than ±10% at confidence probability ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of 0.95.

3.2 Marking

3.2.1 Transport marking of copper powder, Packed in steel drums or soft specialized containers must meet the requirements of GOST 14192, warning marking — GOST 31340.

(Changed edition, Rev. N 1).

3.2.2 Marking of consumer packaging should be applied to each reel or soft specialized container with a stencil with indelible paint or glued paper labels:

— trademark or name of manufacturer and its trademark;

— the product name;

brand;

— batch number;

— number of package units;

— the date of manufacture.

— gross mass;

— weight;

the designation of the present standard.

In the packaging the number one place should be embedded in the document about the quality, the label which should be further specified: «the instrument of quality».

Copper powder intended for export, and mark transporterowych in accordance with the order of foreign trade enterprises or by contract.

(Changed edition, Rev. N 1).

3.2.3 Transport marking of containers — GOST 14192 with the application of manipulation sign «Protect from moisture», warning marking — GOST 31340.

(Changed edition, Rev. N 1).

3.3 Packaging

Copper powder is Packed in steel drums type II BГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)according to GOST 5044 with polybag according to GOST 17811. Capacity of drums — 25,45 DMГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1).

Plastic bags linked, double linked, ensuring the safety of the powder during transportation and storage.

By agreement with the consumer packaging of copper powder in polypropylene soft specialized containers with liners of polyethylene film according to GOST 10354 lifting capacity of 1000 kg and 1250 kg for [9], [10], [11], [12] or other normative document, approved in the prescribed manner, with the same or higher technical specifications to ensure the safety of products and safety of transportation.

(Changed edition, Rev. N 1).

4 safety Requirements

4.1 In accordance with the requirements of GOST 12.1.007 the degree of impact on the human body copper powder are referred to the 2nd class of hazard.

4.2 Maximum permissible concentration of copper in the air of working zone -1/0.5 mg/mГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)according to GOST 12.1.005 and hygienic norms [1].

Dust copper powder, entering the body in contact with him via the respiratory and gastrointestinal tract, can cause dysfunction of the nervous, digestive, hematopoietic and cardiovascular systems, skin diseases.

4.3 Copper powder is incombustible, fire — explosion-proof.

4.4 Industrial facilities (including facilities for chemical analyses) should be equipped with General dilution ventilation system according to GOST 12.4.021 and the emission of harmful substances shall be equipped with local exhausts from the processing equipment.

The ducts of the ventilation systems, walls and structural elements of the workshops, openings and surfaces of Windows, lighting fittings must be cleaned of dust and soot at least once in three months according to requirements sanitary-epidemiological rules [2].

4.5 Monitoring of hazardous substances in the workplace air should be carried out in accordance with GOST 12.1.005, GOST 12.1.016 and sanitary rules approved by the relevant authorities of each country of the CIS.

4.6 Documents on methods of measurement of content of harmful substances in the air of working zone shall meet the requirements of GOST and GOST 8.010 12.1.016.

4.7 Industrial premises (including premises for carrying out of chemical analyses) must comply with the fire safety requirements according to the rules [3] and GOST 12.1.004. Means and methods of extinguishing should be used in accordance with GOST 12.4.009, depending on the origin and nature of the fire.

4.8 the Personnel engaged in the production of copper powder and analyses, must be at least 18 years of age, undergo a medical examination in accordance with the procedure and terms of carrying out preliminary (at receipt for work) and periodic inspections in accordance with the requirements of national health authorities.

Permanent jobs at production facilities and jobs to women, according to the requirements of sanitary rules and norms [4], must have a sanitary passport with General and quantitative characteristics of factors of production environment and labor process.

4.9 organization of the learning requirements of occupational safety and knowledge testing of workers — according to GOST 12.0.004.

4.10 Production staff must be provided with special clothing, special footwear and other individual protection means in accordance with the rules adopted in the territory of the CIS.

4.11 personal protective equipment must be used in accordance with the approved in the established procedure regulatory document on the procedure of issuing, storage and use of special clothing, special footwear and other safety equipment. Personal protective equipment should be stored in designated cabinets; removal of and stay off-premises are prohibited.

4.12 Personnel engaged in the production, in the processing of copper powder and analyses should be provided as a preventive measure milk or other equivalent food products in accordance with the rules and regulations adopted on the territory of the CIS.

4.13 the Staff involved in the production, in the processing of copper powder and analyses should be provided with premises according to building norms and rules [5] for the group 1 b of the production processes.

4.14 In the premises, including premises for carrying out of chemical analyses, it is forbidden to store food and water, eating, drinking and Smoking.

4.15 After completion of the work required to clean workplace, clean special clothing, other protective equipment and tools, wash hands and face with soap and water, and at the end of shift to take a shower.

5 Requirements of environmental protection

5.1 Copper powder in air and aqueous media in the presence of other substances or factors of toxic compounds do not form.

5.2 Main impacts of copper powder on the environment can be air pollution, water bodies and soils as a result of violation of rules of storage or transport emergencies, which leads to a change of a sanitary mode of atmospheric air, water objects and soil degradation.

5.3 control over the content in the environment of harmful substances released during the production of copper powder, realize the accredited ecological and analytical services of enterprises or accredited laboratories of specialised organisations.

5.4 in the production of copper powder in atmospheric air through the organized emission sources potential funding of aerosols pollutants regulated hygienic standards adopted in the territory of the CIS, which concentration in the surface layer ranging from the border of sanitary-protective zone and further subject to dispersion must not exceed values of maximum permissible concentration (MPC) and approximate safe levels of influence (having put).

5.5 Monitoring air quality should be carried out in accordance with the requirements of sanitary norms and rules accepted in the territory of the CIS, as well as GOST 17.2.3.01 and GOST 17.2.3.02.

5.6 the Concentration of copper in water of water objects of drinking and cultural-domestic water use according to the requirements of hygienic standards in case of contact with copper powder in the reservoir should not exceed the MPC, taken at the territory of the CIS.

5.7 the Concentration of copper in water of water objects of fishery according to the requirements of hygienic standards in case of contact with copper powder in the reservoir should not exceed the MPC, taken at the territory of the CIS.

5.8 the Level of soil pollution of populated areas with copper should not exceed the MPC according to sanitary regulations applicable in the territory of the CIS.

6 acceptance Rules

6.1 Copper powder to the acceptance of the present parties with a mass of 1000 kg. the lot consists of the average of the powder of the same brand, manufactured in one technological regime and drawn up by one document on quality.

The document about quality should contain:

— trademark or a trademark and the name of the manufacturer;

— name and brand of powder;

— the batch number;

— the number of seats in the party;

— the net weight and gross;

— the results of the tests and measurements;

— date of manufacture;

— the designation of this standard.

6.2 To check the quality of the copper powder with the requirements of this standard from the party taking the sample, according to table 4.


Table 4

             
The number of units in the party The sample size for verification (number of units)
From 1 to 5 incl. All
SV. 5 « 15 «   5
« 15 « 30 «   7

6.3 determination of the mass fraction of copper and impurities, particle shape, the manufacturer conducts periodic, at least once a month, the mass fraction of moisture in every fifth game.

6.4 the Presence of impurities and lumps check each packaging unit.

6.5 If unsatisfactory test results of at least one of the indicators it is carried out re-testing at twice the sample taken from the same batch of copper powder. The results of repeated tests spread to the entire party.

7 test Methods

7.1 Sampling and sample preparation — according to GOST 23148 with the following additions:

— spot samples from non-flowing powders in packages selected probe according to figure 1;

Figure 1 — Probe for sampling

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)


Figure 1 — Probe for sampling



— the mass of the spot samples should be not less than 0.2% of the mass of packing units;

— the mass of the joint sample shall be not less than 0.2% of the batch weight.

7.2 Combined sample thoroughly mixed and reduced by the method of kvantovaniya until a representative sample weighing not less than 500 g.

Obtained a representative sample is divided into two parts and placed in separate packaging. One part of sample intended for testing, the other is stored before receipt of test results.

In case of disagreement in the assessment of the quality of the copper powder is carried out re-sampling in accordance with GOST 23148 (4.1).

7.3 determination of the mass fraction of copper, according to GOST 31382 with the following addition.

Allowed the copper in the electrolyte to determine by visual photometry with the use of hexacyanoferrate (II) potassium.

In the electrolyte after the electrolysis is added from 3 to 5 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of hexacyanoferrate (II) potassium mass concentration of 30 g/DMГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), add water to volume of 200 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)and mixed. Mass of copper in the solution set visually for solutions comparison.

The solutions comparison is prepared with the contents of 0; 40; 60; 80; 100 g of copper in 200 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1): In a series of volumetric flasks with a capacity of 200 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)is placed 0,4; 0,6; 0,8; 1,0 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), the copper solution concentration of 0.1 g/lГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), add 100 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of water, a solution of sulfuric acid diluted 1:1 to pH=1 by universal indicator paper, and 3 to 5 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of hexacyanoferrate (II) potassium concentration of 30 g/DMГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), made up to the mark with water and mix.

Determination of the mass fraction of iron, lead, antimony and arsenic — GOST 9717.2, GOST 9717.3, 13938.11 GOST, GOST 31382.

Allowed the use of other procedures (methods) of measurements, certified in the prescribed manner in accordance with GOST 8.010 and generating measurement results with errors not exceeding those specified in GOST 9717.2, GOST 9717.3, 13938.11 GOST, GOST 31382. If there is disagreement between supplier and customer on quality copper powder arbitral measurement methods are the methods described in GOST 9717.2, GOST 9717.3, 13938.11 GOST, GOST 31382.

(Changed edition, Rev. N 1).

7.4 determination of the mass fraction of oxygen GOST 27417. Allowed on agreement between the consumer and the manufacturer to determine the mass loss during annealing in hydrogen according to GOST 18897. If there is disagreement in the determination of the mass fraction of oxygen analysis is carried out according to GOST 27417.

7.5 Mass percent of sulfate compounds of metals in terms of sulfate ions is determined according to GOST 10671.5 with the following addition.

A sample weighing not less than 10 g were placed in a glass with a capacity of 500 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), add 100 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of water and heated from 30 to 40 min in a boiling water bath with constant stirring. Filtered through a double filter of medium density, the powder is washed by decantation 2−3 times. The filtrate is placed in a volumetric flask with a capacity of 100 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), adjusted to the mark with water and mix. Aliquot part of the solution volume from 2 to 10 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)(depending on the mass fraction of sulfate ion) was placed in a volumetric flask with a capacity of 25 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), add 0.5 to 1 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of hydrochloric acid diluted 1:1, 3 cm ofГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)starch solution and mix. Then pour 3 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of barium chloride, made up to the mark with water and mix again. Further analysis is carried out according to GOST 10671.5 (photojournalistically method).

In solutions comparison (25 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)) must be 0; 0,01; 0,02; 0,04; 0,06; 0,08; 0,10; 0,15; 0,20 mg of sulfate ion.

7.6 determination of the mass fraction of the calcined residue after treatment with nitric acid

7.6.1 Characteristics of the error analysis

The method of analysis provide the results of the analysis with an error not exceeding the values given in table 5.


Table 5 — the Range of measurement error, the standard deviation of repeatability and reproducibility

Percentage

       
Measurement range of mass fraction of

The standard deviation of repeatability ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)

The standard deviation of reproducibility ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)

The error ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)at a probability ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of 0.95

From 0.020 to 0.200 incl.
0,0018 0,0025 0,005

7.6.2 measurement Means, auxiliary devices, materials, solutions

When you perform analysis used the following measuring instruments, auxiliary devices:

— special laboratory scales of accuracy class according to GOST 24104;

oven muffle with heating temperature up to 850 °C;

— glass-1−600 TC GOST 25336;

— porcelain crucibles according to GOST 9147;

— dryer 2−250 according to GOST 25336;

filters obestochennye.

When you perform analysis used the following materials:

— nitric acid according to GOST 4461;

— potassium hexacyanoferrate according to GOST 4207.

7.6.3 Method of analysis

Gravimetric method for the determination of calcined residue based on accurate mass measurement is insoluble in nitric acid residue, obtained after calcination.

7.6.4 Performing analysis

A suspension of copper powder in the weight of 5,0000 g weighing accuracy up to 0.0002 g, placed in a beaker with a capacity of 600 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), pour small portions of nitric acid diluted 1:1, from 100 to 120 cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)and cover with a watch glass. Dissolution are without heating.

At the end of the reaction the contents of the glass warm up, boil from 10 to 15 min, after which the solution was diluted with distilled water and filtered. The residue on the filter washed several times with hot water until the disappearance of the reaction of wash water on copper (potassium hexacyanoferrate). The filter with precipitate was placed in a calcined and weighed porcelain crucible, carefully incinerated and calcined in a muffle furnace to constant weight at a temperature of from 800 °C to 850 °C. the Crucible with the calcined residue is cooled in desiccator and weighed.

7.6.5 Processing of analysis results

Mass fraction of the calcined residue after treatment with nitric acid ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), %, is calculated by the formula

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), (1)


where ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — the mass of the ignited insoluble residue, g;

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — the mass of the powder before calcination,

The result of the analysis taking the arithmetic mean of two parallel definitions, provided that the absolute difference between them in terms of repeatability does not exceed the value (at confidence probability ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of 0.95) limit of repeatability ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of 0.005%.

The absolute value of the discrepancies between the results obtained in two laboratories, should not exceed the limit of reproducibility of ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)0,007%.

If you exceed the limit of reproducibility can be used methods for assessing the acceptability of the results of the analysis according to [6] and [7] (section 5).

7.7 Mass fraction of moisture in the powder is determined according to the method agreed upon by the manufacturer and consumer.

7.8 Determination of granulometric composition

7.8.1 measurement Means, auxiliary devices, materials, solutions

When performing measurements using the following measuring instruments, auxiliary devices:

— laboratory scale high precision class according to GOST 24104;

— a set of sieves with meshes of control and accuracy according to GOST 6613 or sit on [8];

— scrambler, which provides the frequency of shakes from 140 to 180 beats per minute.

7.8.2 Method of measurement

Determine particle size distribution sieve method based on the measurement of weight fractions after mechanical separation of particles by size using a set of sieves.

7.8.3 performance measurement

The weight of the specimen copper powder brand PMS-In should be 100 grams for other grades — 25 g.

Sieve stack on the increasing size of cells, the tray is placed under the sieves. The test sample is poured into the top sieve and cover it with a lid. A system of sieves placed on the shaker and turn it on 20 min. some fraction is removed from the set of sieves by removing the large sieve. The powder stuck to the bottom and the sides of the sieve with a soft brush sweep the next smaller sieve. Lightly tapping the sieve, transfer the contents to one side and pour out on the paper, then turn over the upper part of the sieve on the paper and purified. Fraction is weighed with an error not more than 0.01 g. the Process is repeated for each sieve and pan.

The sum of the masses of all fractions recorded. The difference between this amount and sample mass added to the mass fraction collected on the pan. For powder brand PMS-In the sum of the masses must be at least 99% of the mass of the test sample for powder remaining brands — 98% of the mass of the test sample. If the amount is less, it is necessary to repeat the screening.

7.8.4 Processing of measurement results

Mass fraction of fractions ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), %, is calculated by the formula

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), (2)


where ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)is the mass of this fraction, g;

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — mass of test sample, g.

The measurement result is rounded to the first decimal place.

Mass fraction of fractions of the powder is less than 0.1% write: «of<0.1%».

7.9 Determination of bulk density is carried out according to GOST 19440.

7.10 the Determination of strength of raw pressing

7.10.1 measurement Means, auxiliary devices, materials, solutions

When performing measurements using the following measuring instruments, auxiliary devices:

— press, providing the force 30000 kg (300 kN) and the measurement error not more than 2% and allows to apply the load at a speed of 50 kN/s;

— mold;

— the test machine, providing the load with a force of 20 kgf and a measurement error less than 1%;

— laboratory scale high precision class according to GOST 24104;

— micrometer МК25-МК50 1 or-1 according to GOST 6507 or other device with measurement error no more than 0.01 mm.

When performing measurements using the following materials:

— zinc stearate;

— acetone GOST 2768.

7.10.2 Method of measurement

The method is based on the manufacture of compression with a given density, the test of lateral bending with a load and the subsequent calculation of the tensile strength at the time of destruction.

(Changed edition, Rev. N 1).

7.10.3 measurements

Pressing should be with a length of (30±0,1) mm, width (10±0.1) mm, height from 5.0 to 6.0 mm. in the manufacture of pressing the inner surface of the die lubricated with a brush with a solution consisting of 100 g of zinc stearate, dissolved in 1 DMГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of acetone, then allowed it to dry.

Mass of hinge-plate ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), g, for the manufacture of compression is calculated by the formula

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), (3)


where ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)is the specified compaction, g/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1);

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — the amount of compression, cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1).

A portion of powder poured into the matrix, uniformly distributed. Pressed efforts prior to 2000 kgf (20 kN), then up to the stop that provides the pressing of a given height.

This way you get three of the compact. Pressing weigh, measure the length, width and height with a measurement error not more than 0.01 mm and calculate their density. The absolute value of differences between largest and smallest results of a calculation of the density of the obtained pressovac must not exceed the critical range ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)of 0.1 g/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1).

Noting the upper part of the pressing, subjected to test of strength. The load on the compression is applied gradually and determine the amount of effort at the time of the destruction of the compact.

7.10.4 Processing of measurement results

The tensile strength of the compression ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), kgf/cmГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), calculated by the formula

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1), (4)


where ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1)stress at the time of the break, kgf;

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — distance between supports, mm;

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — sample width, mm;

ГОСТ 4960-2009 Порошок медный электролитический. Технические условия (с Изменением N 1) — height of specimen, mm.

For the outcome measurements take the average of results of three measurements.

The measurement result is rounded to the first decimal place.

7.11 Determination of yield is carried out according to GOST 20899.

7.12 Specific surface of copper powder is determined according to the method agreed upon by the manufacturer and consumer.

7.13 electrical resistivity of copper powder is determined according to the method agreed upon by the manufacturer and consumer.

7.14 the Number of particles of copper powder with nominal diameter not more than 10 µm is determined by the procedure agreed between the manufacturer and the consumer.

7.15 the shape of the particle is determined using a microscope at 300 times magnification according to GOST 25849.

7.16 Control of extraneous inclusions and lumps is carried out by visual inspection and sifting through a sieve N 018К (GOST 6613) 1/3 of the combined samples, taken at the 7.1.

7.17 permitted to use other methods of measurement, comparable with the accuracy specified in this standard. If there is disagreement in quality assessment between manufacturer and user measured by the methods specified in this standard.

8 Transportation and storage

8.1 Transporterowych copper powder by all kinds of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species. By rail — in boxcars, subject to the requirements of technical documents of the placing and fastening of cargoes in wagons and containers and GOST 22235.

Drums transporterowych in packaged form in accordance with the requirements of GOST 26663 and goods transportation regulations approved by the relevant departments.

If you package should be used in flat wooden pallets according to GOST 9557.

The means of fastening of packages — according to GOST 21650. Dimensions of packages — according to GOST 24597.

Allowed the transport of copper powder in unbatched form, if the party is less than four reels.

Not allowed transport of copper powder with substances of class 5.1 GOST 19433.

Loading and unloading in accordance with the requirements of GOST 12.3.009.

8.2 the manufacturer and consumer of copper powder stored in the manufacturer’s packaging in closed spaces at a temperature not higher than +35 °C, in the absence of ambient atmosphere oxidizing substances.

8.3 Copper powder is not classified by GOST 19433 and does not belong to dangerous goods.

9 manufacturer’s Warranty


Copper powder must be accepted by the technical control of the manufacturer. The manufacturer must guarantee the conformity of copper powder with the requirements of this standard, subject to consumer storage conditions established by the standard.

Warranty period of storage of copper powder brands PMS-V, PMS-1, PMS-11 PMS-A, PMS-C, PMS-N six months from the date of manufacture.

After the warranty period of storage of the copper powder can be applied after checking for compliance with all requirements of this standard.

Annex a (recommended). Applications of copper powder

Appendix A
(recommended)



Table A. 1

   
Mark
Application
PMS-1, PMS-N, PMS-A, PMS-V, PMS-C, PMS-11 Manufacture of sintered products in automobile, metallurgical, electrical (including return sections), aviation, machine-building industry for the manufacture of rings, bushings, bearings, electrical contacts, electrodes, brushes of electrical machines, consumer goods and filters for fine purification of oils
PMS-1 As alloying additives, catalysts, for the manufacture of chemicals, in metallurgy, chemical industry; processing of optical glasses, lenses; for mixing with iron powder in mechanical engineering
PMS-1, PMS-V, PMS-A, PMS-N Manufacture of friction parts, friction pads, diamond cutters, diamond cutting laps in the automotive and engineering industries
PMS-K In electric carbonic industries for closing contacts, for the production of carbon electrodes
PMS-N In metal-ceramic industry for the manufacture of less critical parts
PMS-1, PMS-N Manufacture of articles of dispersion-strengthened composite materials — conductive handpieces and electrodes for welding, soldering tips soldering irons, heavy dry sliding bearings

Bibliography

       
[1] Hygienic standards
GN 2.2.5.1313−03*
  Chemical factors of production environment. The maximum permissible concentration (MPC) of harmful substances in the air of working zone
[2] Sanitary and epidemiological rules SP 2.2.2.1327−03*   Hygienic requirements to the organization of technological processes, production equipment and working instrument
[3] PPB-01−03*   The rules of fire safety in the Russian Federation
[4] Sanitary rules and norms SanPiN 2.2.0.555−96*
  Occupational health. Hygienic requirements to working conditions of women
[5] Building regulations SNiP 2.09.04−87
  Administrative and domestic buildings
[6] ISO 5725−1:1994**   Accuracy (trueness and precision) of methods and measurement results. Part 1. General provisions and definitions
[7] ISO 5725−6:1994***   Accuracy (trueness and precision) of methods and measurement results. Part 6. The use of precision values in practice
[8] ISO 565:1990   Sieve test. Wire cloth, perforated plates and sheets made of an electroplating method. Nominal hole sizes
[9] Specifications
THAT 2297−007−21701787−2006*
  Soft specialized containers made of polypropylene fabric

________________

* The one referred to here and hereinafter, not shown. For additional information, please refer to the link. — Note the manufacturer’s database.

[10] Specifications
THAT 2297−005−40394291−02
  Soft containers for bulk products made of polypropylene fabric
[11] Specifications
THAT 2297−099−00209728−01
  Containers special soft tape four slings made of polypropylene fabric for bulk products
[12] Specifications
THAT 2297−255−00209728−07
  Soft specialized containers made of polypropylene fabric tape.

______________
* Operate on the territory of the Russian Federation.

** On the territory of the Russian Federation GOST R ISO 5725−1-2002 «Accuracy (trueness and precision) of methods and measurement results. Part 1. General provisions and definitions».

*** On the territory of the Russian Federation GOST R ISO 5725−6-2002 «Accuracy (trueness and precision) of methods and measurement results. Part 6. The use of precision values in practice».

(Changed edition, Rev. N 1).