ASTM E478 – 08 Standard Test Methods for Chemical Analysis of Copper Alloys

The chemical analysis of copper alloys having certain chemical compositions is covered in ASTM E478 – 08. The values are stated in SI units.

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Scope:

ASTM E478 – 08 is of great significance as it is considered as a reference method to test materials for compliance with compositional specifications. It is often performed by trained specialists who are capable of performing laboratory procedures skillfully and safely.

Procedure:

The analytical procedures appear in the following sections:

Test Method	Section
Aluminum by the Carbamate Extraction-Ethyl-Enedinitrilotetracetate Titrimetric Test Method [2 % to 12 %]	71-78
Copper by the Combined ElectrodepositionGravimetric and Oxalyldihydrazide Photomet-ric Test Method [50 %, minimum]	10-18
Iron by the 1,10-Phenanthroline PhotometricTest 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 % to30.0 %]	29-36
Nickel by the Dimethylglyoxime Extraction Pho-tometric Test Method [0.03 % to 5.0 %]	37-46
Nickel by the Dimethylglyoxime GravimetricTest Method [4 % to 50 %]	55-62
Nickel by the Dimethylglyoxime GravimetricTest Method [4 % to 50 %]	55-62
Silver in Silver-Bearing Copper by Atomic Ab-sorption Spectrometry [0.01 % to 0.12 %]	101-112
Tin by the Iodometric Titration Test Method[0.5 % to 20 %]	63-70
Tin by the Phenylfluorone Photometric TestMethod [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

Result:

In this way, by performing ASTM E478 – 08, chemical analysis of copper alloys can be done.

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