ISO 4939:2016规定了使用丁二酮肟测定钢中镍的分光光度法。
该方法适用于0.10%和2.0%范围内镍质量分数的测定。钴、铜和锰会造成干扰(见7.3.2)。
ISO 4939:2016 specifies a spectrophotometric method for the determination of nickel in steel using dimethylglyoxime.
The method is applicable to the determination of nickel mass fractions in the range of 0,10 % and 2,0 %. Cobalt, copper and manganese can cause interferences (see 7.3.2).