This standard establishes a photometric method for the determination of nickel (with a mass fraction of nickel from 0.0005 to 0.005%) and atomic absorption
GOST 12072.8-1979 Referenced Document
GOST 11125-1984 Super pure nitric acid. Specifications*, 1984-04-19 Update
GOST 12072.0-1979 Cadmium. General requirements for methods of analysis