BS ISO 4939:2016规定了分光光度法测定水中镍 使用丁二酮肟的钢。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）。交叉引用:ISO 648ISO 1042ISO 3696ISO 14284ISO 5725:1986购买本文件时提供的所有现行修订版均包含在购买本文件中。

BS 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).Cross References:ISO 648ISO 1042ISO 3696ISO 14284ISO 5725:1986All current amendments available at time of purchase are included with the purchase of this document.