GB/T 6150.8-2023 Methods of chemical analysis of tungsten concentrates - Part 8: Determination of molybdenum content by thiocyanate spectrophotometric method (English Version)
2023GB/T 6150.8-2023 Methods of chemical analysis of tungsten concentrates - Part 8: Determination of molybdenum content by thiocyanate spectrophotometric method
2009GB/T 6150.8-2009 Methods for chemical analysis of tungsten concentrates-Determination of molybdenum content-The thiocyanate spectrophotometry
2008GB/T 6150.6-2008 Methods for chemical analysis of tungsten concentrates.Determination hygroscopic moisture content.Gravimetric method
1985GB/T 6150.8-1985 Methods for chemical analysis of tungsten concentrates--The gravimetric method for the determination hygroscopic moisture content