Methods for chemical analysis of nickel sinter and nickel oxide—Determination of nickel, cobalt, copper, iron, zinc, manganese contents—Electrolytic gravimetric method and Inductively coupled plasma atomic emission spectrometric method
Methods for chemical analysis of fire smelting nickel substrate material—Part 5:Determination of manganese content—Potassium periodate spectrophotometric method
Methods for chemical analysis of fire smelting nickel substrate material—Part 1:Determination of nikel content—Dimethylglyoxime spectrophotometric method and dimethylglyoxime gravimetric method