Normas ISO

Manganese ores -- Determination of moisture content

Manganese ores and concentrates -- Determination of manganese content -- Potentiometric method

Manganese ores and concentrates -- Methods of chemical analysis -- General instructions

Manganese ores -- Sampling-- Part 2: Preparation of samples

Manganese ores -- Sampling-- Part 1: Increment sampling

Manganese ores and concentrates -- Determination of aluminium content -- Photometric and gravimetric methods