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ASTM E478-03
Standard Test Methods for Chemical Analysis of Copper Alloys
19 стр.
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Разработчик:
Зарубежные/ASTM
ICS:
77.120.30 Copper and copper alloys / Медь и медные сплавы, 77.040.30 Chemical analysis of metals / Химический анализ металлов
Сборник (ASTM):
03.05 Analytical Chemistry for Metals, Ores, and Related Materials / Аналитическая химия для металлов, руд и сопутствующих материалов: с E32 и далее
Тематика:
Analytical Chemistry
Описание
Значение и использование

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.

Область применения

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

ElementConcentration, %
Aluminum12.0 max
Antimony1.0 max
Arsenic1.0 max
Cadmium1.5 max
Cobalt1.0 max
Copper40.0 min
Iron6.0 max
Lead27.0 max
Manganese6.0 max
Nickel50.0 max
Phosphorus1.0 max
Silicon5.0 max
Sulfur0.1 max
Tin20.0 max
Zinc50.0 max

1.2 The test methods appear in the following order:

Sections
Aluminum by the Carbamate Extraction-(Ethyl-enedinitrilo) Tetraacetate Titrimetric Test Method [2 to 12 %]70-77
Copper by the Combined Electrodeposition Gravimetric and Oxalyldihydrazide Photometric Test Method [50 %, minimum]9-17
Iron by the 1,10-Phenanthroline Photometric Test Method [0.003 to 1.25 %]18-27
Lead by the Atomic Absorption Test Method [0.002 to 15 %]89-99
Lead by the (Ethylenedinitrilo)tetraacetic Acid (EDTA) Titrimetric Test Method [2.0 to 30.0 %]28-35
Nickel by the Dimethylglyoxime Extraction Photometric Test Method [0.03 to 5.0 %]36-45
Nickel by the Dimethylglyoxime Gravimetric Test Method [4 to 50 %]54-61
Silver in Silver-Bearing Copper by the Atomic Absorption Test Method [0.01 to 0.12 %]100-111
Tin by the Iodatimetric Titration Test Method [0.5 to 20 %]62-69
Tin by the Phenylfluorone Photometric Test Method [0.01 to 1.0 %]112-122
Zinc by Atomic Spectrometry [0.2 to 2 %]78-88
Zinc by the (Ethylenedinitrilo)tetraacetic Acid (EDTA) Titrimetric Test Method [2 to 40 %]46-53

1.3 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.

Ключевые слова:
chemical analysis; copper alloys