ISO 315:1984 Preview
Manganese ores and concentrates -- Determination of nickel content -- Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method
Two methods are specified. Method A is applicable to products having a nickel content of 0.01 to 1.0 % (m/m), method B is applicable to products having a nickel content of 0.005 to 1.0 % (m/m). Both methods specify principle, reactions (method A only), reagents, apparatus, sample, procedure and expression of results.