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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 7487-1987 Water quality--Determinationof cyanide--Part 2:Determination of cyanide - 英文版 |
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GB/T 7486-1987 Water quality--Determination of cyanide--Part 1:Determination of total cyanide - 英文版 |
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GB/T 7363-1987 Paraffin wax--Determination of polynuclear aromatics - 英文版 |
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GB/T 6921-1986 Determination of the concentration of airborne particulate matters - 英文版 |
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GB/T 6288-1986 Determination of particle size for granular molecular sieve - 英文版 |
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GB/T 5474-1985 Phenol-formaldehyde mouldings--Determination of free ammonia and ammonium compounds--Colorimetric comparison method - 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 5211.4-1985 Determination of tamped volume and apparent density of pigments - 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 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 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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