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Chromium ores — Determination of calcium and magnesium contents — EDTA titrimetric method
90.93 Standard confirmed
Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method
90.93 Standard confirmed
Chromium ores — Determination of phosphorus content — Reduced molybdophosphate photometric method
90.93 Standard confirmed
Chromium ores — Determination of hygroscopic moisture content in analytical samples — Gravimetric method
90.93 Standard confirmed
Chromium ores — Determination of total iron content — Titrimetric method after reduction
90.93 Standard confirmed
Chromium ores and concentrates — Determination of chromium content — Titrimetric method
90.92 Standard to be revised
Chromium ores and concentrates — Methods of chemical analysis — General instructions
90.93 Standard confirmed
Chromium ores and concentrates — Determination of aluminium content — Complexometric method
90.93 Standard confirmed
Chromium ores and concentrates — Determination of chromium content — Titrimetric method
40.20 DIS ballot initiated: 12 weeks