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GB/T 4702.14-1988 Methods for chemical analysisof chromium metal--The infrared absorption method for the determination of carbon content - 英文版 |
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GB/T 8654.6-1988 Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content - 英文版 |
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GB/T 223.3-1988 Methods forchemical analysis of iron，steel and alloy--The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content - 英文版 |
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GB/T 8454-1987 Determination of ferrous iron contentin reduced ilmenite powder for welding rod - 英文版 |
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GB/T 2007.7-1987 General rules for the sampling and sample preparation of minerals in bulk--The method for determination of size by manual sieving - 英文版 |
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GB/T 2007.6-1987 General rules for thesampling and sample preparation of minerals in bulk--Determination of moisture content--Heat drying method - 英文版 |
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GB/T 8325-1987 Determination of pH of aqueous dispersions of polymers and copolymers - 英文版 |
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GB/T 8156.9-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The molybdenum blue photometric method for the determination of phosphorus content - 英文版 |
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GB/T 8156.8-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The barium sulphate gravimetric method for the determination of sulphate content - 英文版 |
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GB/T 8156.7-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The 1，10-phenanthroline photometric method for the determination of iron content - 英文版 |
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GB/T 8156.6-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The molybdenum blue photometric method for the determination of silica content - 英文版 |
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GB/T 8156.5-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The flame emission photometric method for the determination of sodium content - 英文版 |
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GB/T 8156.4-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The EDTA volumetric method for the determination of aluminium content - 英文版 |
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GB/T 8156.3-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The distillation-thoriumnitrate volumetric method for the determination of fluoride content - 英文版 |
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GB/T 8156.2-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The electrometric method for the determination of water content - 英文版 |
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GB/T 8156.1-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The gravimetric method for the determination of moisture content - 英文版 |
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GB/T 8156.10-1987 Aluminium fluoride for industrial use--Determination of sulphur content--X-ray fluorescence spectrometric method - 英文版 |
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GB/T 8152.8-1987 Methods forchemical analysis of lead concentrates--The DTPM spectrophotometric method for the determination of bismuth content - 英文版 |
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GB/T 8152.6-1987 Methods for chemical analysis of lead concentrates--The polarographic method for the determination of bismuth content - 英文版 |
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GB/T 8120-1987 High-purity n-heptane and isooctance--Determination of purity--Capillary gas chromatography - 英文版 |
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GB/T 8022-1987 Lubricating oils--Determination of demulsibility characteristics - 英文版 |
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GB/T 8025-1987 Petroleum waxes and petrolatums--Determination of trace sulfur--Microcoulometric method - 英文版 |
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GB/T 8020-1987 Gasoline--Determination of lead content--Atomic absorption spectrometry - 英文版 |
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GB/T 8018-1987 Gasoline--Determination of oxidation stability--Induction period method - 英文版 |
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GB/T 268-1987 Petroleum products--Determination of carbon residue--Conradson method - 英文版 |
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GB/T 7731.5-1987 Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content - 英文版 |
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GB/T 7731.4-1987 Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content - 英文版 |
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GB/T 7731.1-1987 Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content - 英文版 |
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GB/T 223.58-1987 Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content - 英文版 |
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GB/T 223.57-1987 Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content - 英文版 |
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