“Determination for tr ” 中國GB標準檢索結果 |
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GB/T 8156.2-1987 （中英文版） Methods for chemical analysis of aluminium fluoride for industrial use--The electrometric method for the determination of water content |
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GB/T 8156.1-1987 （中英文版） Methods for chemical analysis of aluminium fluoride for industrial use--The gravimetric method for the determination of moisture content |
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GB/T 8156.10-1987 （中英文版） Aluminium fluoride for industrial use--Determination of sulphur content--X-ray fluorescence spectrometric method |
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GB/T 8152.8-1987 （中英文版） Methods forchemical analysis of lead concentrates--The DTPM spectrophotometric method for the determination of bismuth content |
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GB/T 8152.6-1987 （中英文版） Methods for chemical analysis of lead concentrates--The polarographic method for the determination of bismuth content |
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GB/T 7731.5-1987 （中英文版） Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content |
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GB/T 7731.4-1987 （中英文版） Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content |
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GB/T 7731.1-1987 （中英文版） Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content |
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GB/T 223.58-1987 （中英文版） Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content |
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GB/T 223.57-1987 （中英文版） Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content |
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GB/T 223.54-1987 （中英文版） Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content |
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GB/T 223.53-1987 （中英文版） Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content |
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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 7130-1986 （中英文版） Determination of free phenols in phenol-formaldehyde mouldings--Iodometric method |
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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 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 5474-1985 （中英文版） Phenol-formaldehyde mouldings--Determination of free ammonia and ammonium compounds--Colorimetric comparison method |
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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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