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GB/T 15076.5-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of molybdenum and tungsten contents - 英文版 |
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GB/T 15076.4-1994 Methods for chemical analysis of tantalumand niob-ium--Determination of iron content - 英文版 |
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GB/T 15076.3-1994 Methods for chemical analysis of tantalumand niob-ium--Determination of copper content - 英文版 |
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GB/T 15076.2-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of niobium content in tantalum - 英文版 |
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GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niob-ium--Determination of nitrogen content in tantalum - 英文版 |
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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 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 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 7533-1993 Determination for crystallizing point of organic chemical products for industrial use - 英文版 |
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GB/T 14827-1993 Organic chemical products forindustrial use--Test method for the determination of acidity and alkal-inity--Volumetric method - 英文版 |
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GB/T 14501.3-1993 Spectrochemical determination of tungsten,molybdenum,niobium,titanium and zirconium in uranium hexafluoride - 英文版 |
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GB/T 14501.1-1993 Spectrochemical determination of boron in uranium hexafluoride - 英文版 |
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GB/T 14376-1993 Water quality--Determination of asymmetrical dimethyl hydrazine--Amino ferrocyanide sodium spectrophotometric method - 英文版 |
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