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GB/T 7686-2008
Chemical products for industrial use - General method for the determination of arsenic
- 英文版
GB/T 6283-2008
Chemical products - Determination of water Karl.fischer method (general method)
- 英文版
GB/T 11213.7-2008
Test methods of sodium hydroxide for chemical fiber use -Part 7:Determination of copper content-spectrometric method
- 英文版
GB/T 11200.3-2008
Text methods of high-purity sodium hydroxide - Part 3: Determination of calcium content - Flame atomic absorption method
- 英文版
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
- 英文版
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
- 英文版
GB/T 6150.17-2008
Methods for chemical analysis of tungsten concentrates - Determination of antimony content - Hydride reduction atomic absorption spectrometry
- 英文版
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
- 英文版
GB/T 6150.12-2008
Methods for chemical analysis of tungsten concentrates-Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometry and the gravimetry
- 英文版
GB/T 5121.9-2008
Methods for chemical analysis of copper and copper alloys - Part 9:Determination of iron content
- 英文版
GB/T 5121.8-2008
Methods for chemical analysis of copper and copper alloys Part 8:Determination of oxygen content
- 英文版
GB/T 5121.7-2008
Methods for chemical analysis of copper and copper alloys - Part 7:Determination of arsenic content
- 英文版
GB/T 5121.6-2008
Methods for chemical analysis of copper and copper alloys - Part 6:Determination of bismuth content
- 英文版
GB/T 5121.5-2008
Methods for chemical analysis of copper and copper alloys - Part 5:Determination of nickel content
- 英文版
GB/T 5121.4-2008
Methods for chemical analysis of copper and copper alloys - Part 4:Determination of carbon and sulfur content
- 英文版
GB/T 5121.3-2008
Methods for chemical analysis of copper and copper alloys - Part 3:Determination of lead content
- 英文版
GB/T 5121.26-2008
Methods for chemical analysis of copper and copper alloys - Part 26:Determination of mercury content
- 英文版
GB/T 5121.25-2008
Methods for chemical analysis of copper and copper alloys - Part 25: Determination of boron content
- 英文版
GB/T 5121.24-2008
Methods for chemical analysis of copper and copper alloys - Part 24:Determination of selenium and tellurium content
- 英文版
GB/T 5121.23-2008
Methods for chemical analysis of copper and copper alloys - Part 23:Determination of silicon content
- 英文版
GB/T 5121.22-2008
Methods for chemical analysis of copper and copper alloys - Part 22:Determination of cadmium content
- 英文版
GB/T 5121.2-2008
Methods for chemical analysis of copper and copper alloys - Part 2:Determination of phosphorus content
- 英文版
GB/T 5121.21-2008
Methods for chemical analysis of copper and copper alloys - Part 21:Determination of titanaum content
- 英文版
GB/T 5121.20-2008
Methods for chemical analysis of copper and copper alloys - Part 20:Determination of zirconium content
- 英文版
GB/T 5121.19-2008
Methods for chemical analysis of copper and copper alloys - Part 19:Determination of silver content
- 英文版
GB/T 5121.18-2008
Methods for chemical analysis of copper and copper alloys - Part 18:Determination of magnesium content
- 英文版
GB/T 5121.17-2008
Methods for chemical analysis of copper and copper alloys Part 17:Determination of beryllium content
- 英文版
GB/T 5121.16-2008
Methods for chemical analysis of copper and copper alloys - Part 16:Determination of chromium content
- 英文版
GB/T 5121.15-2008
Methods for chemical analysis of copper and copper alloys - Part 15:Determination of cobalt content
- 英文版
GB/T 5121.14-2008
Methods for chemical analysis of copper and copper alloys - Part 14:Determination of manganese content
- 英文版

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