GB/T 14352.12-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of silver content. Flame atomic absorption spectrometric method after metyl iso-butyl ketone extraction (English Version)
This standard specifies the determination method of silver content in tungsten ore and molybdenum ore. This standard is applicable to the determination of silver content in tungsten ore and aluminum ore, and the determination range is 0.5~20μg/g.
GB/T 14352.12-1993 history
2010GB/T 14352.12-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 12:Determination of silver content
1993GB/T 14352.12-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of silver content. Flame atomic absorption spectrometric method after metyl iso-butyl ketone extraction