Identically adopts ISO 19976 1:2019, which specifies a flame atomic absorption spectrometric method for the determination of the mass fraction of cadmium in copper, lead and zinc sulfide concentrates.
AS ISO 19976.1:2020 history
2020AS ISO 19976.1:2020 Copper, lead and zinc sulfide concentrates — Determination of cadmium, Part 1: Flame atomic absorption spectrometric method