ISO 4939:1984

Steel and cast iron — Determination of nickel content — Dimethylglyoxime spectrophotometric method

The method is applicable to different nickel contents. Cobalt, copper and manganese may cause interferences. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.