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GB/T 6150.7-2008
Methods for chemical analysis of tungsten concentrates - Determination of tantalum content and niobium content - Inductively coupled plasma emission spectrometry and spectrophotometry
GB/T 6150.2-2008
Methods for chemical analysis of tungsten concentrates - Determination of tin content - The potassium iodate volumetry and hydrogenate atomic absorption spectrometry
GB/T 6150.17-2008
Methods for chemical analysis of tungsten concentrates - Determination of antimony content - Hydride reduction atomic absorption spectrometry
GB/T 6150.13-2008
Methods for chemical analysis of tungsten concentrates - Determination of arsenic content - Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry
GB/T 6150.12-2008
Methods for chemical analysis of tungsten concentrates－Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometry and the gravimetry
GB/T 5125-2008
Method for deep drawing cups testing of non-ferrous metals
GB/T 5121.8-2008
Methods for chemical analysis of copper and copper alloys Part 8:Determination of oxygen content
GB/T 5121.6-2008
Methods for chemical analysis of copper and copper alloys - Part 6:Determination of bismuth content
GB/T 5121.27-2008
Methods for chemical analysis of copper and copper alloys - Part 27:The inductively coupled plasma atomic emission spectromertric method
GB/T 5121.26-2008
Methods for chemical analysis of copper and copper alloys - Part 26:Determination of mercury content
GB/T 5121.25-2008
Methods for chemical analysis of copper and copper alloys - Part 25: Determination of boron content
GB/T 5121.24-2008
Methods for chemical analysis of copper and copper alloys - Part 24:Determination of selenium and tellurium content
GB/T 5121.23-2008
Methods for chemical analysis of copper and copper alloys - Part 23:Determination of silicon content
GB/T 5121.21-2008
Methods for chemical analysis of copper and copper alloys - Part 21:Determination of titanaum content
GB/T 5121.20-2008
Methods for chemical analysis of copper and copper alloys - Part 20:Determination of zirconium content
GB/T 5121.19-2008
Methods for chemical analysis of copper and copper alloys - Part 19:Determination of silver content
GB/T 5121.18-2008
Methods for chemical analysis of copper and copper alloys - Part 18:Determination of magnesium content
GB/T 5121.17-2008
Methods for chemical analysis of copper and copper alloys Part 17:Determination of beryllium content
GB/T 5121.15-2008
Methods for chemical analysis of copper and copper alloys - Part 15:Determination of cobalt content
GB/T 18882.2-2008
Chemical analysis methods for mixed rare earth oxide of ion-absorpted type RE ore - Determination of aluminum oxide content