GB/T 6150.1-2008 Methods for chemical analysis of tungsten concentrates.Determination of tungsten trioxide content.The ammonium tungstate igniting gravimetric method (English Version)
This part specifies the determination method of tungsten trioxide content in tungsten concentrate. This section applies to the determination of tungsten trioxide content in tungsten concentrate. Measuring range: ≥50%.
GB/T 6150.1-2008 history
2023GB/T 6150.1-2023 Methods for chemical analysis of tungsten concentrates Part 1: Determination of tungsten trioxide content Ammonium tungstate ignition gravimetric method
2008GB/T 6150.1-2008 Methods for chemical analysis of tungsten concentrates.Determination of tungsten trioxide content.The ammonium tungstate igniting gravimetric method
1985GB/T 6150.1-1985 Methods for chemical analysis of tungsten concentrates--The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content