“Chemical analysis of ” 中國GB標準檢索結果 |
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GB/T 15076.6-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of silicon content in tantalum |
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GB/T 15076.5-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of molybdenum and tungsten contents |
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GB/T 15076.4-1994 （中英文版） Methods for chemical analysis of tantalumand niob-ium--Determination of iron content |
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GB/T 15076.3-1994 （中英文版） Methods for chemical analysis of tantalumand niob-ium--Determination of copper content |
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GB/T 15076.2-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of niobium content in tantalum |
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GB/T 15076.13-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of nitrogen content in tantalum |
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GB/T 15076.1-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of tantalum content in niobium |
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GB/T 15076.11-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of arsenic antimony，lead，tin and bismuth contents in niobium |
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GB/T 15076.10-1994 （中英文版） Methods for chemical analysis of tantalum and niob-ium--Determination of iron，nickel，chromium，titan-ium，zirconium， aluminium and manganese contents in niobium |
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GB/T 4010-1994 （中英文版） Ferroalloys--Sampling and preparationof samples for chemical analysis |
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GB/T 223.77-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of calcium content |
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GB/T 223.76-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of vanadium content |
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GB/T 223.25-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The dimethylglyoxime gravimetric method forthe determination of nickel content |
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GB/T 223.22-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The nitroso-R-salt spectrophotometric method for the determination of cobalt content |
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GB/T 223.21-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The 5-Cl-PADAB spectrophotometricmethod for the determination of cobalt content |
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GB/T 223.20-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The fotentiometric titration method for the determination of cobalt content |
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GB/T 223.18-1994 （中英文版） Methods for chemical analysis of iron，steel and alloy--The sodium thiosulfate separation iodimetric method for the determination of copper content |
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GB/T 14265-1993 （中英文版） General rule of chemical analysis for hydrogen，oxygen，nitrogen，carbon and sulfur in metal’s materials |
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GB/T 223.16-1991 （中英文版） Methods for chemical analysis of iron，steel and alloy--The chromotropic acid photometric method for the determination of titanium content |
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GB/T 223.12-1991 （中英文版） Methodsfor chemical analysis of iron，steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content |
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GB/T 4333.10-1990 （中英文版） Methods for chemical analysis of ferrosilicon--The infrared absorption method for the determination of carbon content |
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GB/T 223.66-1989 （中英文版） Methods for chemical analysis of iron，steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content |
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GB/T 223.46-1989 （中英文版） Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content |
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GB/T 223.37-1989 （中英文版） Methods for chemical analysis of iron，steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation |
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GB/T 223.28-1989 （中英文版） Methods for chemical analysis of iron，steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content |
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GB/T 223.19-1989 （中英文版） Methods for chemical analysis of iron，steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content |
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GB/T 223.17-1989 （中英文版） Methods for chemical analysis of iron，steel and alloy--The diantipyryl methane photometric method for the determination of titanium content |
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GB/T 11222.1-1989 （中英文版） Radiochemical analysis of strontium-90 in ash of biological samples--Extraction chromatography by di-(2-ethylhexyl) phosphate |
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GB/T 11221-1989 （中英文版） Radiochemical analysis of caesium-137 in ash of biological samples |
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GB/T 3653.1-1988 （中英文版） Methods for chemical analysis of ferroboron--The alkalimetric method for the determination of boron content |
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