T/CSTM 01138-2022
Tungsten—Determination of calcium content—Flame atomic absorption spectrometric method (English Version)

Standard No.

T/CSTM 01138-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/CSTM 01138-2022

Scope

This document specifies the determination of calcium content in tungsten by flame atomic absorption spectrometry, including principles, reagents, instruments, sample preparation, analysis, result calculation, tolerances, and test reports. This document is applicable to the determination of calcium content with a mass fraction of 0.0007% to 0.03% in tungsten powder, tungsten strips and tungsten trioxide.

T/CSTM 01138-2022 history

• 2022 T/CSTM 01138-2022 Tungsten—Determination of calcium content—Flame atomic absorption spectrometric method