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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
GB/T 6730.35-1986
Methods for chemical analysis of iron ores--The oxalic acid bis-cyclohexylidene hydragide (cuprizone) photo-metric method for the determination of copper content
GB/T 6730.48-1986
Methods for chemical analysis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content
GB/T 6730.8-1986
Methods for chemical analysis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content
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
GB/T 6730.42-1986
Methods for chemical analysisof iron ores--The dithizone photometric method for the determination of lead content
GB/T 6730.21-1986
Methods for chemical analysis of iron ores--The potassium periodate photometric method for the determination of manganese content
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
GB/T 6730.2-1986
Methods for chemical analysis of iron ores--The gravimetric method for the determination of moisture content
GB/T 6730.6-1986
Methods for chemical analysis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content
GB/T 6730.7-1986
Methods for chemical analysis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content
GB/T 6730.39-1986
Methods for chemical analysis of iron ores--The dimetylglyoxime photometric method for the determination ofnickel content
GB/T 6730.22-1986
Methods for chemical analysis of iron ores--The diantipyrine methane photometric method for the determination of titanium content
GB/T 6730.19-1986
Methods for chemical analysis of iron ores--The bismuth phosphomolybdate blue photometric method for the determination of phosphorus content
GB/T 6730.34-1986
Methods for chemical analysis of iron ores--The pyrocatechol violet-cetyl trimethylamine bromide photometric method for the determination of tin content
GB/T 6730.12-1986
Methods for chemical analysis of iron ores--The chrome azurol S photometric method for the determination ofaluminium content
GB/T 6730.50-1986
Methods for chemical analysisof iron ores--The gas volumetric method for the determination of total carbon content
GB/T 6730.44-1986
Methods for chemical analysis of iron ores--The 1-(2-pyridylazo)-2-naphthol photometric method for the determination of zinc content
GB/T 6730.47-1986
Methods for chemical analysis of iron ores--The sulfo chlorophenol S photometric method for the determination of niobium content
GB/T 6730.38-1986
Methods for chemical analysis of iron ores--The nitroso-R salt photometric method for the determination of cobalt content