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ASTM E1569-09
Standard Test Method for Determination of Oxygen in Tantalum Powder by Inert Gas Fusion Technique (Withdrawn 2018)
5 стр.
Отменен
Печатное изданиеЭлектронный (pdf)
96.72 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
ICS:
71.040.50 Physicochemical. Including spectrophotometric and chromatographic analysis / Физико-химические методы анализа. Включая спектрофотометрический и хроматографический анализы77.160 Powder. Including sintered metal materials and hardmetals / Порошковая металлургия
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 covered the determination of oxygen in tantalum powder in concentrations from 0.05 % to 0.50 %.

Formerly under the jurisdiction of Committee E01 on Analytical Chemistry for Metals, Ores, and Related Materials, this test method was withdrawn in January 2018 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the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

This test method is primarily intended as a 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 the work will be performed in a properly equipped laboratory.

Область применения

1.1 This test method covers the determination of oxygen in tantalum powder in concentrations from 0.05 % to 0.50 %.

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

1.3 This standard does not purport to address all of the safety problems, 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:
inert gas fusion; oxygen content; tantalum; tantalum powder; Infrared (IR) analysis--metals/alloys; Tantalum (Ta) powder; Oxygen content