ISO 1054:1975

Zinc — Determination of cadmium content — Polarographic method

This method applies to the following types of zinc: Zn 99,95, Zn 99,5, Zn 98,5 and Zn 98 having cadmium contents between 0,01 and 0,5 %. It does not apply to zinc the copper content of which is more than four times higher as the cadmium content.