Methods for chemical analysis of fire smelting nickel substrate material—Part 1:Determination of nikel content—Dimethylglyoxime spectrophotometric method and dimethylglyoxime gravimetric method
Methods for chemical analysis of fire smelting nickel substrate material—Part 2:Determination of silicon content—Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method