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ASTM E478-08

Standard Test Methods for Chemical Analysis of Copper Alloys

Automaticky přeložený název:

Standardní zkušební metody pro chemickou analýzu slitin mědi

NORMA vydána dne 15.12.2008

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Informace o normě:

Označení normy: ASTM E478-08
Poznámka: NEPLATNÁ
Datum vydání normy: 15.12.2008
Kód zboží: NS-46936
Počet stran: 21
Přibližná hmotnost: 63 g (0.14 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Chemická analýza kovů
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Anotace textu normy ASTM E478-08 :

Keywords:

atomic absorption spectrometry, copper, photometric, titrimetric, Aluminum content--Cu/Cu alloys, Copper content--Cu/Cu alloys, Iron content--Cu/Cu alloys, Lead content--Cu/Cu alloys, Nickel content--Cu/Cu alloys, Silver content--Cu/Cu alloys, Tin content--Cu/Cu alloys, Zinc content--Cu/Cu alloys, Copper alloy (chemical analysis), ICS Number Code 77.040.30 (Chemical analysis of metals), 77.120.30 (Copper and copper alloys)

Doplňující informace

Significance and Use

These test methods for the chemical analysis of metals and alloys are primarily intended as referee methods to test such materials for compliance with compositional specifications. It is assumed that all who use these methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.

1. Scope

1.1 These test methods cover the chemical analysis of copper alloys having chemical compositions within the following limits:

Element	Concentration, %

Aluminum	12.0 max
Antimony	1.0 max
Arsenic	1.0 max
Cadmium	1.5 max
Cobalt	1.0 max
Copper	40.0 min
Iron	6.0 max
Lead	27.0 max
Manganese	6.0 max
Nickel	50.0 max
Phosphorus	1.0 max
Silicon	5.0 max
Sulfur	0.1 max
Tin	20.0 max
Zinc	50.0 max

1.2 The test methods appear in the following order:

	Sections
Aluminum by the Carbamate Extraction-Ethyl- enedinitrilotetraacetate Titrimetric Test Method [2 % to 12 %]	71-78
Copper by the Combined Electrodeposition Gravimetric and Oxalyldihydrazide Photometric Test Method [50 %, minimum]	10-18
Iron by the 1,10-Phenanthroline Photometric Test Method [0.003 % to 1.25 %]	19-28
Lead by Atomic Absorption Spectrometry [0.002 % to 15 %]	90-100
Lead by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2.0 % to 30.0 %]	29-36
Nickel by the Dimethylglyoxime Extraction Photometric Test Method [0.03 % to 5.0 %]	37-46
Nickel by the Dimethylglyoxime Gravimetric Test Method [4 % to 50 %]	55-62
Silver in Silver-Bearing Copper by Atomic Absorption Spectrometry [0.01 % to 0.12 %]	101-112
Tin by the Iodotimetric Titration Test Method [0.5 % to 20 %]	63-70
Tin by the Phenylfluorone Photometric Test Method [0.01 % to 1.0 %]	113-123
Zinc by Atomic Absorption Spectrometry [0.2 % to 2 %]	79-89
Zinc by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2 % to 40 %]	47-54

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

10.1 This test method covers the determination of copper in concentrations greater than 50 %.

19.1 This test method covers the determination of iron in concentrations from 0.003 % to 1.25 %.

29.1 This test method covers the determination of lead in concentrations from 2.0 % to 30.0 %.

37.1 This test method covers the determination of nickel in concentrations from 0.03 % to 5.0 %.

47.1 This test method covers the determination of zinc in the range from 2 % to 40 %.

55.1 This test method covers the determination of nickel in concentrations from 4 % to 50 %.

63.1 This test method covers the determination of tin in concentrations from 0.5 % to 20 %.

71.1 This test method covers the determination of aluminum in concentrations from 2 % to 12 %.

79.1 This test method covers the determination of zinc in concentrations from 0.02 % to 2 %.

90.1 This test method covers the determination of lead in concentrations from 0.002 % to 15 %.

101.1 This test method covers the determination of silver in concentrations from 0.01 % to 0.12 %.

113.1 This test method covers the determination of tin in concentrations from 0.01 % to 1.0 %.

2. Referenced Documents

E60-11(2022)e1	Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry (Includes all amendments and changes 6/29/2022).
E135-23a	Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023).
E50-17	Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E173-93	Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals (Withdrawn 1997)
E1601-19	Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method

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