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73.060.30: Chromium ores

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Standard and/or projectStage TC
ISO 5975:1983
Chromium ores -- Determination of calcium and magnesium contents -- EDTA titrimetric method
90.60 ISO/TMBG
ISO 5997:1984
Chromium ores and concentrates -- Determination of silicon content -- Molecular absorption spectrometric method and gravimetric method
90.60 ISO/TMBG
ISO 6127:1981
Chromium ores -- Determination of phosphorus content -- Reduced molybdophosphate photometric method
90.60 ISO/TMBG
ISO 6129:1981
Chromium ores -- Determination of hygroscopic moisture content in analytical samples -- Gravimetric method
90.60 ISO/TMBG
ISO 6130:1985
Chromium ores -- Determination of total iron content -- Titrimetric method after reduction
90.60 ISO/TMBG
ISO 6153:1989
Chromium ores -- Increment sampling
90.60 ISO/TMBG
ISO 6154:1989
Chromium ores -- Preparation of samples
90.60 ISO/TMBG
ISO 6331:1983
Chromium ores and concentrates -- Determination of chromium content -- Titrimetric method
90.60 ISO/TMBG
ISO 6629:1981
Chromium ores and concentrates -- Methods of chemical analysis -- General instructions
90.60 ISO/TMBG
ISO 8889:1988
Chromium ores and concentrates -- Determination of aluminium content -- Complexometric method
90.60 ISO/TMBG