gb/t 6150.1

gb/t 6150.1, Total:3 items.

The international standard classification for "gb/t 6150.1" includes: Other non-ferrous metals and their alloys , Metalliferous minerals .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 6150.1-1985 Methods for chemical analysis of tungsten concentrates; The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content
GB/T 6150.1-2008 Methods for chemical analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method
GB/T 6150.1-2023 Methods for chemical analysis of tungsten concentrates—Part 1：Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method