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 4:Determination of chrome content—Ammonium ferrous sulfate titration method
Methods for chemical analysis of nickel substrate material—Part 3:Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method