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Std ID |
Description (Standard Title) |
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YS/T 258-1996
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Niobium powders for metallurgy
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YS/T 258-2011
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Niobium powder for metallurgym powder for metallurgy
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YS/T 259-1994
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(Chinese Industry Standard)
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YS/T 259-1996
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Tantalum powders for metallurgy
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YS/T 259-2012
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Tantalum powders for metallurgy
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YS/T 260-1994
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(Beryllium copper master alloy ingot)
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YS/T 260-2004
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Copper-beryllium master alloy ingot
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YS/T 260-2016
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Copper-beryllium master alloy ingot
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YS/T 261-1994
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Spodumene concentrate
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YS/T 261-2011
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Spodumene concentrate
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YS/T 26-1992
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Test method for silicon wafer edge
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YS/T 26-2016
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Test methods for edge contour of silicon wafers
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YS/T 262-1994
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Beryl concentrate
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YS/T 262-2011
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Beryl concentrate
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YS/T 263-1994
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(Tantalum carbide powder)
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YS/T 264-1994
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High purity indium
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YS/T 264-2012
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High purity indium
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YS/T 265-1994
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High purity lead
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YS/T 265-2012
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High purity lead
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YS/T 266-1994
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Exhalent tube for aircraft radiator
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YS/T 266-2012
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Exhalent tube for aircraft radiator
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YS/T 267-1994
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Tube for telescopic antenna
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YS/T 267-2011
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Copper alloy tube for telescopic antenna
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YS/T 268-1994
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(Sodium ethyl xanthate)
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YS/T 268-2003
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Sodium (potassium) ethyl xanthate
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YS/T 269-2008
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Sodium (potassium)butyl xanthate
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YS/T 270-1994
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Ethyl thio carbamate
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YS/T 270-2011
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Ethyl thio carbamate
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YS/T 271.1-1994
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Methods for chemical analysis of xanthates. The lead-acetate titration method for determination of xanthate content
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YS/T 271.2-1994
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Methods for chemical analysis of xanthates. The acetic acid titration method for determination of free alkali content
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YS/T 271.3-1994
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Methods for chemical analysis of xanthates. The infrared drying method for determination of moisture and volatile matter content
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YS/T 27-1992
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(Particulate contamination on the wafer surface and the measurement method of counting)
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YS/T 273.10-2006
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Chemical analysis methods and physical properties of cryolite. Part 10: Determination of alumina content by gravimetric method
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YS/T 273.11-2006
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Chemical analysis methods and physical properties of cryolite. Part 11: Determination of sulphur content by X-ray fluorescence spectrometric method
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YS/T 273.1-2006
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Chemical analysis methods and physical properties of cryolite. Part 1: Determination of moisture content by gravimetric method
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YS/T 273.12-2006
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Chemical analysis methods and physical properties of cryolite. Part 12: The atomic absorption spectrophotometric method for the determination of calcium oxide content
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YS/T 273.13-2006
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Chemical analysis methods and physical properties of cryolite. Part 13: Preparation and storage of test samples
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YS/T 273.14-2008
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Chemical analysis methods and determination of physical performance of synthetic cryolite. Part 14: X-ray fluorescence spectrometric method for the determination of elements content
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YS/T 273.15-2012
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Chemical analysis methods and physical properties of cryolite. Part 15: X-ray fluorescence spectrometric method for the determination of elements content using pressed powder tablets
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YS/T 273.2-2006
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Chemical analysis methods and physical properties of cryolite. Part 2: Determination of ignition loss
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YS/T 273.3-2006
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Chemical analysis methods and physical properties of cryolite. Part 3: Determination of fluoride content by distillation-thorium nitrate titration
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YS/T 273.3-2012
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Chemical analysis methods and physical properties of cryolite. Part 3: Determination of fluoride content
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YS/T 273.4-2006
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Chemical analysis methods and physical properties of cryolite. Part 4: Determination of aluminium by the EDTA volumetric method
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YS/T 273.5-2006
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Chemical analysis methods and physical properties of cryolite. Part 5: Determination of sodium by flame atomic absorption spectrometric method
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YS/T 273.6-2006
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Chemical analysis methods and physical properties of cryolite. Part 6: Determination of silica content by the molybdenum blue photometric
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YS/T 273.7-2006
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Chemical analysis methods and physical properties of cryolite. Part 7: Determination of iron content by orthophenantholine photometric method
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YS/T 273.8-2006
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Chemical analysis methods and physical properties of cryolite. Part 8: Determination of sulphate content by barium sulphate gravimetric method
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YS/T 273.9-2006
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Chemical analysis methods and physical properties of cryolite. Part 9: Determination of phosphorous pentoxide by molybdenum blue photometric method
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YS/T 274-1994
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(Chinese Industry Standard)
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YS/T 274-1998
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Alumina
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YS/T 275-1994
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(Chinese Industry Standard)
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YS/T 275-2000
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High purity aluminum
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YS/T 275-2008
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High purity aluminum
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YS/T 276.10-2011
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Methods for chemical analysis of indium. Part 10: Determination of bismuth, aluminium, lead, iron, copper, cadmium, tin and thallium content. Inductively coupled plasma atomic emission spectrometry
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YS/T 276.11-2011
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Methods for chemical analysis of indium. Part 11: Determination of arsenic, aluminium, lead, iron, copper, cadmium, tin, thallium, zinc and bismuth content. Inductively coupled plasma mass spectrometry
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YS/T 276.1-2011
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Methods for chemical analysis of indium. Part 1: Determination of arsenic content. Hydride generation-atomic fluorescence spectrometry
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YS/T 276.2-2011
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Methods for chemical analysis of indium. Part 2: Determination of tin content. Phenylfluorone-cetyltrimethyl ammonium bromide spectrophotometry
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YS/T 276.3-2011
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Methods for chemical analysis of indium. Part 3: Determination of thallium content. Methyl green photometric method
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YS/T 276.4-2011
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Methods for chemical analysis of indium. Part 4: Determination of aluminium content. Chromazurol S photometry
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YS/T 276.5-2011
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Methods for chemical analysis of indium. Part 5: Determination of iron content. Method 1: Graphite furnace atomic absorption spectrometry. Method 2: Flame atomic absorption spectrometry
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YS/T 276.6-2011
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Methods for chemical analysis of indium. Part 6: Determination of copper, cadmium and zinc content. Flame atomic absorption spectrometry
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YS/T 276.7-2011
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Methods for chemical analysis of indium. Part 7: Determination of lead content. Flame atomic absorption spectrometry
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YS/T 276.8-2011
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Methods for chemical analysis of indium. Part 8: Determination of bismuth content. Method 1: Hydride generation-atomic fluorescence spectrometry. Method 2: Flame atomic absorption spectrometry
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YS/T 276.9-2011
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Methods for chemical analysis of indium. Part 9: Determination of indium content. EDTA titrimetric method
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YS/T 277-1994
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Nickel monoxide
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YS/T 277-2009
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Nickel monoxid
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YS/T 277-2016
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Nickel monoxide
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YS/T 278-1994
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Ammonium dibutyl dithiophosphate
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YS/T 278-2011
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Ammonium dibutyl dithiophosphate
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YS/T 279-1994
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Sodium dithiophosphate 25
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YS/T 279-2011
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Sodium dithiophosphate 25
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YS/T 280-1994
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Sodium dibutyl dithiophosphate
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YS/T 280-2011
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Sodium dibutyl dithiophosphate
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YS/T 281.10-1994
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Cobalt - Determination of nickel content - Flame atomic absorption spectrophotometric method
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YS/T 281.10-2011
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Methods for chemical analysis of cobalt. Part 10: Determination of nickel content. Flame atomic absorption spectrometry
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YS/T 281.11-1994
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Cobalt - Determination of copper and manganese contents - Flame atomic absorption spectrophotometric method
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YS/T 281.11-2011
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Methods for chemical analysis of cobalt. Part 11: Determination of copper and manganese contents. Flame atomic absorption spectrometry
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YS/T 281.1-1994
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Cobalt - Determination of iron content - Sulfosalicylic acid spectrophotometric method
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YS/T 281.1-2011
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Methods for chemical analysis of cobalt. Part 1: Determination of iron content. Sulfosalicylic acid spectrophotometry
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YS/T 281.12-1994
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Cobalt - Determination of arsenic antimony bismuth tin and lead contents - Flame atomic absorption spectrophotometric method
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YS/T 281.12-2011
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Methods for chemical analysis of cobalt. Part 12: Determination of arsenic, antimony, bismuth, tin and lead content. Electrothermal atomic absorption spectrometry
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YS/T 281.13-1994
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Cobalt - Determination of sulfur content - Oscillopolarographic method after distillation
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YS/T 281.13-2011
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Methods for chemical analysis of cobalt. Part 13: Determination of sulphur content. Infra-red absorption method after high frequency induction furnace combustion
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YS/T 281.14-1994
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Cobalt - Determination of sulphur content - Infra-red absorption method after high frequency induction furnace combustion
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YS/T 281.14-2011
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Methods for chemical analysis of cobalt. Part 14: Determination of carbon content. Infra-red absorption method after high frequency induction furnace combustion
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YS/T 281.15-1994
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Cobalt - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion
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YS/T 281.15-2011
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Methods for chemical analysis of cobalt. Part 15: Determination of arsenic, antimony and bismuth content. Hydride generation-atomic fluorescence spectrometry
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YS/T 281.16-1994
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Cobalt - Determination of carbon content - Combustion-coulometric method
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YS/T 281.16-2011
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Methods for chemical analysis of cobalt. Part 16: Determination of arsenic, cadmium, copper, zinc, lead, bismuth, tin, antimony, silicon, manganese iron, nickel, aluminum, and magnesium content. Direct current arc atomic emission spectrometry
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YS/T 281.17-2011
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Methods for chemical analysis of cobalt. Part 17: Determination of aluminum, manganese, nickel, copper zinc, cadmium, tin, antimony, lead and bismuth content. Inductively coupled plasma mass spectrometry
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YS/T 281.18-2011
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Methods for chemical analysis of cobalt. Part 18: Determination of sodium content. Flame atomic absorption spectrometry
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YS/T 281.19-2011
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Methods for chemical analysis of cobalt. Part 19: Determination of calcium, magnesium manganese, iron, cadmium, zinc content. Inductively coupled plasma atomic emission spectrometry
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YS/T 281.20-2011
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Mehtods for chemical analysis of cobalt. Part 20: Determination of oxide content. Impulse infrared absorption
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YS/T 281.2-1994
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Cobalt - Determination of aluminium content - Chromazurol S-P-octyl polyethylene glycol phenyl ether-tetradecyl phridinium bromine mixed micellar solubilization spectrophotometric method
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YS/T 281.2-2011
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Methods for chemical analysis of cobalt. Part 2: Determination of aluminum content. Chromeazurol S spectrophotometry
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YS/T 281.3-1994
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Cobalt - Determination of silicon content - Molybdenum blue spectrophotometric method
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YS/T 281.3-2011
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Methods for chemical analysis of cobalt. Part 3: Determination of silicon content. Molybdenum blue spectrophotometry
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YS/T 281.4-1994
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Cobalt - Determination of arsenic content - Molybdenum blue spectrophotometric method
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YS/T 281.4-2011
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Methods for chemical analysis of cobalt. Part 4: Determination of arsenic content. Molybdenum blue spectrophotometry
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YS/T 281.5-1994
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Cobalt - Determination of phosphorus content - Molybdenum blue spectrophotometric method
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