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	GB/T 4921-1985 Waste gasfrom manufacturing process--Determination of chemical oxygendemand and nitrogenoxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method - 英文版
	GB/T 4920-1985 Determination of sulphuric acidmist in tail gas in sulphuric acid concentration process--Barium chromate colorimetric method - 英文版
	GB/T 4919-1985 Waste water from manufacturing process--Determination of total nitro compounds--Gas chromato-graphic method - 英文版
	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
	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
	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
	GB/T 4298-1984 The activation analysis method for the determination of elemental impurities in semiconductor silicon materials - 英文版
	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
	GB/T 3654.9-1983 Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content - 英文版
	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
	GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content - 英文版
	GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium--The gravimetric method for the determination of silicon content - 英文版
	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
	GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminium content - 英文版
	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
	GB/T 3653.2-1983 Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content - 英文版
	GB/T 3144-1982 Toluene--Determination of hydrocarbon impurities--Gas chromatographic method - 英文版
	GB/T 3143-1982 Colour Determination method of liquid chemicals (Hazen unit--platinum-cobalt scale) - 英文版
	GB/T 3142-1982 Lubricants--Determination of load-carrying capacity (four balls method) - 英文版
	GB/T 2432-1981 Gasoline--Determination of tetraethyl lead content--Complexometric titration method - 英文版
	GB/T 2413-1980 Piezoelectric ceramic materials--Measuring methods for determination of volume density - 英文版
	GB/T 380-1977 Determination of sulfur content in petroleum products (lamp method) - 英文版
	GB/T 513-1977 Determination of mechanical impuritiesin lubricating greases (acid decomposition method) - 英文版
	GB/T 505-1965 Determination of mercaptan-sulfur in engine fuels (ammonia-copper sulfate method) - 英文版
	GB/T 388-1964 Determination of sulfur content in petroleum products (oxygen bomb method) - 英文版
	GB/T 257-1964 Determination of saturated vapor pressure of engine fuels(Reid method) - 英文版

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