“Determination of 2-a ” 中國GB標準檢索結果 |
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GB/T 7731.7-2008 （中英文版） Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry |
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GB/T 7731.3-2008 （中英文版） Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method |
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GB/T 7731.14-2008 （中英文版） Ferrotungsten - Determination of lead content - The polarographic method and inductively coupled plasma-atomic emission spectrometry |
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GB/T 7731.12-2008 （中英文版） Ferrotungsten - Determination of sulfur content - Infrared absorption method and combustion titration method |
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GB/T 5686.7-2008 （中英文版） Ferromanganese, ferromanganese-silicon,, nitrogen-bearing ferromanganese and manganese metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization method |
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GB/T 5686.5-2008 （中英文版） Ferromanganese, ferromanganese-silicon , nitrogen-bearing ferromanganese and manganese metal - Determination of carbon content - The infrared absorption method ,the gasometric method ,the gravimetric and the coulometric method |
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GB/T 5686.4-2008 （中英文版） Ferromanganese , ferromanganese-silicon , itrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content titrimetric method |
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GB/T 5686.2-2008 （中英文版） Ferromanganese，ferromanganese-silicon , nitrogen-bearing ferromanganese and manganese metal - Determination of silicon content - Molybdenum blue photometric method ，silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimet |
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GB/T 5686.1-2008 （中英文版） Ferromanganese，ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation |
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GB/T 4702.5-2008 （中英文版） Chromium metal - Determination of aluminium content - EDTA titrimetric method and flame atomic absorption spectrometric method |
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GB/T 4702.4-2008 （中英文版） Chromium metal - Determination of iron content - EDTA titrimetric method and flame atomic absorption spectrometric method |
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GB/T 4702.2-2008 （中英文版） Chromium metal - Determination of silicon content - The perchloric acid gravimetric method |
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GB/T 4702.16-2008 （中英文版） Chromium metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method |
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GB/T 4701.6-2008 （中英文版） Ferrotitanium - Determination of aluminum content - EDTA titrimetric method |
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GB/T 4701.10-2008 （中英文版） Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method |
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GB/T 4699.6-2008 （中英文版） Ferrochromium and silicochromium - Determination of sulfur content - The infrared absorption method and the combustion-titration method |
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GB/T 4699.4-2008 （中英文版） Ferrochromium and silicochromium - Determination of carbon content - Infrared absorption method and gravimetric method |
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GB/T 4699.2-2008 （中英文版） Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method |
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GB/T 3654.8-2008 （中英文版） Ferroniobium - Determination of tianiun content - Chromotropic acid photometric method |
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GB/T 3654.6-2008 （中英文版） Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method，methylene blue photometric method and infrared absorption method |
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GB/T 3654.2-2008 （中英文版） Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method |
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GB/T 3653.4-2008 （中英文版） Ferroboron - Determination of aluminium content - EDTA titrimetric method |
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GB/T 3074.3-2008 （中英文版） Method for the determination of the oxidation resistance of graphite electrodes |
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GB/T 3074.2-2008 （中英文版） Method for the determination of the elastic modulus of graphite electrodes |
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GB/T 3074.1-2008 （中英文版） Method for the determination of the flexure strength of graphite electrodes |
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GB/T 2601-2008 （中英文版） The chromatographic method for determination of content of hydroxybenzene |
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GB/T 2293-2008 （中英文版） Pitch products of coal carbonization - Determination of quinoline-insoluble |
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GB/T 2288-2008 （中英文版） Coking products - Determination of moisture content |
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GB/T 2281-2008 （中英文版） Determination of density of coking oil products |
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GB/T 223.9-2008 （中英文版） Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method |
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