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Database: 365,228(8 Aug 2026)

Tungsten oxide

Tungsten oxide, Total:7 items.

The international standard classification for "Tungsten oxide" includes: Products of non-ferrous metals , Metalliferous minerals , Other non-ferrous metals and their alloys .

The Chinese standard classification for "Tungsten oxide" includes: Rare refractory metals and their compounds , Radioactive metal ore .


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

  • GB/T 3457-2013 Tungstic Oxide
  • GB/T 3457-1998 Tungstic oxide
  • 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 6150.1-1985 Methods for chemical analysis of tungsten concentrates; The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content

Professional Standard - Commodity Inspection

  • SN/T 3012-2011 Determination of Tungsten Trioxide in Tungsten Ores. X-Ray Fluorescence Spectrometry
  • SN/T 0951-2010 Determination of tungsten trioxide content in ammonium paratungstate for import and export
  • SN/T 0951-2000 Method for the determination of tungsten trioxide content in ammonium paratungstate for import and export