T/CSTM 01139-2022 The determination of tungsten iron and the content of arsenic and bismuth by hydride generation atomic fluorescence spectroscopy
T/CSTM 01139-2022 The determination of tungsten iron and the content of arsenic and bismuth by hydride generation atomic fluorescence spectroscopy
Basic Information
Scope
Scope: This document specifies the determination of arsenic and bismuth in tungsten iron by atomic fluorescence spectrometry with hydride generation, including the principle, reagents, instruments, sampling and preparation, analysis, result calculation, allowable deviation, and test report. This document is applicable to the determination of the content of arsenic and bismuth in tungsten iron with a mass fraction of 0.001% to 0.200%. Main technical content: This document specifies the determination of the content of arsenic and bismuth in tungsten iron by atomic fluorescence spectrometry with hydride generation, including the principle, reagents, instruments, sampling and preparation, analysis, result calculation, allowable deviation, and test report. This document is applicable to the determination of the content of arsenic and bismuth in tungsten iron with a mass fraction of 0.001% to 0.200%.