This standard establishes a spectrographic method for the determination of zinc and iron in cadmium in the range of mass fractions, %: zinc - from 0.0008
GOST 17262.4-1978 Referenced Document
GOST 12072.2-1979 Cadmium. Methods of iron determination*, 1979-04-20 Update
GOST 12072.3-1979 Cadmium. Methods of zinc determination*, 1979-04-20 Update