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Manganese ores and concentrates — Determination of hygroscopic moisture content in analytical samples — Gravimetric method
90.93 Standard confirmed
Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Titrimetric method
90.93 Standard confirmed
Manganese ores and concentrates — Determination of nickel content — Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method
90.93 Standard confirmed
Manganese ores and concentrates — Determination of arsenic content — Spectrometric method
90.93 Standard confirmed
Manganese ores — Determination of sulphur content — Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
90.93 Standard confirmed
Ferroalloys — Sampling and preparation of samples — General rules
90.93 Standard confirmed
Ferrosilicon — Determination of aluminium content — Flame atomic absorption spectrometric method
90.93 Standard confirmed
Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method
90.93 Standard confirmed
Ferrosilicon, ferrosilicomanganese and ferrosilicochromium — Determination of silicon content — Gravimetric method
90.93 Standard confirmed
Ferromanganese and ferrosilicomanganese — Determination of manganese content — Potentiometric method
90.93 Standard confirmed
Manganese ores and concentrates — Determination of phosphorus content — Extraction-molybdovanadate photometric method
90.93 Standard confirmed
Manganese ores and concentrates — Determination of aluminium content — Photometric and gravimetric methods
90.93 Standard confirmed
Manganese ores and concentrates — Methods of chemical analysis — General instructions
90.93 Standard confirmed
Manganese ores and concentrates — Determination of manganese content — Potentiometric method
60.60 Standard published