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	GB/T 6730.51-1986 Methods for chemical analysis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate - 英文版
	GB/T 6730.50-1986 Methods for chemical analysisof iron ores--The gas volumetric method for the determination of total carbon content - 英文版
	GB/T 6730.49-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content - 英文版
	GB/T 6730.48-1986 Methods for chemical analysis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content - 英文版
	GB/T 6730.36-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content - 英文版
	GB/T 6730.3-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples - 英文版
	GB/T 6730.14-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content - 英文版
	GB/T 6730.1-1986 Methods for chemical analysis of iron ores--Preparation of predried test samples for chemical analysis - 英文版
	GB/T 5529-1985 Inspection of vegetable oils--Methods for determination of foreign matter - 英文版
	GB/T 3714-1983 Technical requirements of manganese carbonate orepowder - 英文版

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