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ASTM E53-07(2013)
Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry (Withdrawn 2022)
4 стр.
Отменен
Электронный (pdf)Печатное издание
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Разработчик:
Зарубежные/ASTM
ICS:
77.120.30 Copper and copper alloys / Медь и медные сплавы77.040.30 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
Причина отменыThis test method covers the chemical analysis of copper having minimum purity of 99.75 % to 99.95 %.

Formerly under the jurisdiction of Committee E01 on Analytical Chemistry for Metals, Ores, and Related Materials, this test method was withdrawn in January 2022 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

Значение и использование

5.1 This test method for the chemical analysis of copper is primarily intended to test for compliance with compositional specifications. It is assumed that all who use this method 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 This test method covers the chemical analysis of copper having minimum purity of 99.75 % to 99.95 %.

1.2 This test method covers the electrolytic determination of copper in chemical, electrolytic, and fire refined copper. In this method silver is deposited with the copper, and is reported as copper.

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. Specific precautionary statements are given in 8.4 and Section 9.

Ключевые слова:
copper; copper concentration