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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
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
Manganese ores and concentrates — Determination of potassium and sodium content — Flame atomic emission spectrometric method
90.93 Standard confirmed
Manganese ores — Determination of barium oxide content — Barium sulphate gravimetric method
90.93 Standard confirmed
Manganese ores — Determination of combined water content — Gravimetric method
90.93 Standard confirmed
Manganese ores and concentrates — Determination of aluminium, copper, lead and zinc contents — Flame atomic absorption spectrometric method
90.93 Standard confirmed
Manganese ores and concentrates — Determination of silicon content — Gravimetric method
90.93 Standard confirmed
Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
90.93 Standard confirmed