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GB/T 6730.3-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples - 英文版 |
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GB/T 6730.14-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content - 英文版 |
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GB/T 5687.4-1985 Methods for chemical analysis of ferrochromium--The neutralization titration method for the determination of nitrogen content - 英文版 |
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GB/T 223.48-1985 Methods for chemical analysis of iron，steel and alloy--The semixylenol orange photometric method for the determination of bismuth content - 英文版 |
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GB/T 223.42-1985 Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent - 英文版 |
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GB/T 223.41-1985 Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content - 英文版 |
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GB/T 223.38-1985 Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content - 英文版 |
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GB/T 5124.4-1985 Methods for chemical analysis of hardmetals--The photometric peroxide method for the determination of titanium content - 英文版 |
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GB/T 5124.3-1985 Methods for chemical analysisof hardmetals--The potentiometric method for the determination of cobalt content - 英文版 |
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GB/T 5078-1985 Method for the determination of the space required by capacitors and resistors with unidirectional terminations - 英文版 |
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GB/T 4702.9-1985 Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content - 英文版 |
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GB/T 4702.8-1985 Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content - 英文版 |
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GB/T 4702.11-1985 Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content - 英文版 |
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GB/T 4702.10-1985 Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content - 英文版 |
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GB/T 4702.3-1984 Methods for chemical analysis of chromium metal--The molybdenum blue photometric method for the determinationof phosphorus content - 英文版 |
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GB/T 4333.7-1984 Methods for chemical analysis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content - 英文版 |
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GB/T 4333.1-1984 Methods for chemical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content - 英文版 |
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GB/T 4298-1984 The activation analysis method for the determination of elemental impurities in semiconductor silicon materials - 英文版 |
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GB/T 4192-1984 Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes - 英文版 |
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GB/T 3654.9-1983 Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content - 英文版 |
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GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content - 英文版 |
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GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content - 英文版 |
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GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium--The gravimetric method for the determination of silicon content - 英文版 |
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GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content - 英文版 |
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GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminium content - 英文版 |
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GB/T 3653.5-1983 Methods for chemical analysis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content - 英文版 |
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GB/T 3653.2-1983 Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content - 英文版 |
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GB/T 12009.4-2016 (Plastics - Aromatic isocyanates for the production of polyurethane - Part 4: Determination of isocyanate content - amendment No. 1) - 英文版 |
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