YS/T 372.14-1994 Methods for elementary analysis of precious alloy. Determination of manganese content. Potentiometer titration using potassium permanganate was changed to YS/T 372.1-2006 Methods for elementary analysis of precious alloy. Determination of silver content. Potentiometer titration with potassium iodide.
YS/T 372.14-1994 Methods for elementary analysis of precious alloy. Determination of manganese content. Potentiometer titration using potassium permanganate was changed to YS/T 372.6-2006 Methods for elementary analysis of precious alloy. Determination of copper content and manganese contents. The flame atomic absorption spectrometric method.
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