ISO - 73.060.30 - Chromium ores

Standard and/or project	Stage	TC
ISO 5975:1983 Chromium ores — Determination of calcium and magnesium contents — EDTA titrimetric method	90.93	ISO/TC 132
ISO 5997:1984 Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method	90.93	ISO/TC 132
ISO 6127:1981 Chromium ores — Determination of phosphorus content — Reduced molybdophosphate photometric method	90.93	ISO/TC 132
ISO 6129:1981 Chromium ores — Determination of hygroscopic moisture content in analytical samples — Gravimetric method	90.93	ISO/TC 132
ISO 6130:1985 Chromium ores — Determination of total iron content — Titrimetric method after reduction	90.93	ISO/TC 132
ISO 6153:1989 Chromium ores — Increment sampling	90.93	ISO/TC 132
ISO 6154:1989 Chromium ores — Preparation of samples	90.93	ISO/TC 132
ISO 6331:1983 Chromium ores and concentrates — Determination of chromium content — Titrimetric method	90.92	ISO/TC 132
ISO 6629:1981 Chromium ores and concentrates — Methods of chemical analysis — General instructions	90.93	ISO/TC 132
ISO 8889:1988 Chromium ores and concentrates — Determination of aluminium content — Complexometric method	90.93	ISO/TC 132

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