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GB/T 15076.1-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of tantalum content in niobium - 英文版 |
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GB/T 15076.11-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of arsenic antimony，lead，tin and bismuth contents in niobium - 英文版 |
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GB/T 15076.10-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of iron，nickel，chromium，titan-ium，zirconium， aluminium and manganese contents in niobium - 英文版 |
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GB/T 15057.9-1994 Limestone for chemical industry--Determination of phosphorus content--Molybdenum blue spectrophotometric method - 英文版 |
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GB/T 15057.8-1994 Limestonefor chemical industry--Determination of sulfur content--Gravimetric and combustion-iodate titrimetric methods - 英文版 |
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GB/T 15057.7-1994 Limestone for chemical industry--Determination of aluminium oxide content--Chromazurol S spectrophotometric method - 英文版 |
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GB/T 15057.6-1994 Limestone for chemical industry--Determination of iron content--Phenanthroline spectrophotometric method - 英文版 |
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GB/T 15057.5-1994 Limestone for chemical industry--Determination of silicon dioxide content--Molybdenum blue spectrophotometric method - 英文版 |
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GB/T 15057.4-1994 Limestone for chemical industry--Determination of iron and aluminium oxides content--Gravimetric method - 英文版 |
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GB/T 15057.3-1994 Limestone for chemical industry--Determination of insoluble matter content of hydrochloric acid--Gravimetric method - 英文版 |
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GB/T 15057.2-1994 Limestone for chemical industry--Determination of calcium and magnesium oxides content - 英文版 |
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GB/T 15057.11-1994 Limestone for chemical industry--Determination of size - 英文版 |
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GB/T 15057.10-1994 Limestone for chemical industry--Determination of content of loss on ignition--Gravimetric method - 英文版 |
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GB/T 15048-1994 Cellular plastics，rigid--Determination of compressive creep - 英文版 |
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GB/T 14929.2-1994 Method for determination of aldicarb residues in peanut，cottonseed oil and peanut oil - 英文版 |
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GB/T 223.77-1994 Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of calcium content - 英文版 |
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GB/T 223.76-1994 Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of vanadium content - 英文版 |
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GB/T 14949.7-1994 Manganese ores--Determination of sodium and pota-ssium contents - 英文版 |
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GB/T 14949.5-1994 Manganese ores--Determination of titanium content - 英文版 |
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GB/T 14949.4-1994 Manganese ores--Determination of vanadium content - 英文版 |
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GB/T 14949.3-1994 Manganese ores--Determination of barium oxide content - 英文版 |
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GB/T 14949.12-1994 Manganese ores--Determination of combined water content - 英文版 |
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GB/T 14949.11-1994 Manganese ores--Determination of carbon dioxide content - 英文版 |
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GB/T 223.25-1994 Methods for chemical analysis of iron，steel and alloy--The dimethylglyoxime gravimetric method forthe determination of nickel content - 英文版 |
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GB/T 223.22-1994 Methods for chemical analysis of iron，steel and alloy--The nitroso-R-salt spectrophotometric method for the determination of cobalt content - 英文版 |
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GB/T 223.21-1994 Methods for chemical analysis of iron，steel and alloy--The 5-Cl-PADAB spectrophotometricmethod for the determination of cobalt content - 英文版 |
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GB/T 223.20-1994 Methods for chemical analysis of iron，steel and alloy--The fotentiometric titration method for the determination of cobalt content - 英文版 |
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GB/T 223.18-1994 Methods for chemical analysis of iron，steel and alloy--The sodium thiosulfate separation iodimetric method for the determination of copper content - 英文版 |
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GB/T 2680-1994 Determination of light transmittance， solar direct transmittance， total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors - 英文版 |
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GB/T 7533-1993 Determination for crystallizing point of organic chemical products for industrial use - 英文版 |
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