“Chemical analysis of ” 中國GB標準檢索結果 |
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GB/T 223.52-1987 （中英文版） Methods for chemical analysis of iron，steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content |
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GB/T 223.51-1987 （中英文版） Methods for chemical analysis of iron，steel and alloy--The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content |
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GB/T 6767-1986 （中英文版） Radiochemical analysis of cesium-137 in water |
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GB/T 6766-1986 （中英文版） Radiochemical analysis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphori acid |
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GB/T 6764-1986 （中英文版） Radiochemical analysis of strontium-90 in water--Precipitation by fuming nitric acid |
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GB/T 6730.8-1986 （中英文版） Methods for chemical analysis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content |
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GB/T 6730.7-1986 （中英文版） Methods for chemical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content |
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GB/T 6730.6-1986 （中英文版） Methods for chemical analysis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content |
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GB/T 6730.51-1986 （中英文版） Methods for chemical analysis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate |
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GB/T 6730.50-1986 （中英文版） Methods for chemical analysisof iron ores--The gas volumetric method for the determination of total carbon content |
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GB/T 6730.49-1986 （中英文版） Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content |
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GB/T 6730.48-1986 （中英文版） Methods for chemical analysis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content |
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GB/T 6730.36-1986 （中英文版） Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content |
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GB/T 6730.3-1986 （中英文版） Methods for chemical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples |
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GB/T 6730.14-1986 （中英文版） Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content |
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GB/T 6730.1-1986 （中英文版） Methods for chemical analysis of iron ores--Preparation of predried test samples for chemical analysis |
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GB/T 5889-1986 （中英文版） Method of quantitative analysis of ramie chemical components |
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GB/T 5687.4-1985 （中英文版） Methods for chemical analysis of ferrochromium--The neutralization titration method for the determination of nitrogen content |
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GB/T 223.48-1985 （中英文版） Methods for chemical analysis of iron，steel and alloy--The semixylenol orange photometric method for the determination of bismuth content |
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GB/T 223.42-1985 （中英文版） Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent |
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GB/T 223.41-1985 （中英文版） Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content |
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GB/T 223.38-1985 （中英文版） Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content |
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GB/T 5124.4-1985 （中英文版） Methods for chemical analysis of hardmetals--The photometric peroxide method for the determination of titanium content |
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GB/T 5124.3-1985 （中英文版） Methods for chemical analysisof hardmetals--The potentiometric method for the determination of cobalt content |
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GB/T 4702.9-1985 （中英文版） Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content |
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GB/T 4702.8-1985 （中英文版） Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content |
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GB/T 4702.11-1985 （中英文版） Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content |
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GB/T 4702.10-1985 （中英文版） Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content |
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GB/T 4702.3-1984 （中英文版） Methods for chemical analysis of chromium metal--The molybdenum blue photometric method for the determinationof phosphorus content |
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GB/T 4333.7-1984 （中英文版） Methods for chemical analysis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content |
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