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Chromium ores — Determination of calcium and magnesium contents — EDTA titrimetric method

90.93 Standard confirmed

ISO/TC 132

Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method

90.93 Standard confirmed

ISO/TC 132

Chromium ores — Determination of phosphorus content — Reduced molybdophosphate photometric method

90.93 Standard confirmed

ISO/TC 132

Chromium ores — Determination of hygroscopic moisture content in analytical samples — Gravimetric method

90.93 Standard confirmed

ISO/TC 132

Chromium ores — Determination of total iron content — Titrimetric method after reduction

90.93 Standard confirmed

ISO/TC 132

Chromium ores — Increment sampling

90.93 Standard confirmed

ISO/TC 132

Chromium ores — Preparation of samples

90.93 Standard confirmed

ISO/TC 132

Chromium ores and concentrates — Determination of chromium content — Titrimetric method

90.92 Standard to be revised

ISO/TC 132

Chromium ores and concentrates — Methods of chemical analysis — General instructions

90.93 Standard confirmed

ISO/TC 132

Chromium ores and concentrates — Determination of aluminium content — Complexometric method

90.93 Standard confirmed

ISO/TC 132

Chromium ores and concentrates — Determination of chromium content — Titrimetric method

40.20 DIS ballot initiated: 12 weeks

ISO/TC 132