This document specifies the use of extraction separation-flame atomic absorption spectrometry to determine the cobalt content in metallic zinc and zinc alloys, including principles, reagents, instruments, sample preparation, analysis, result calculation, tolerances, and test reports. This document is applicable to the determination of cobalt content in zinc metal and zinc alloys ranging from 0.00005% to 0.020%.
T/CSTM 01144-2022 history
2022T/CSTM 01144-2022 Zinc and zinc alloys—Determination of cobalt content—Extraction separation-Flame atomic absorption spectrometric method