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Manganese ores and concentrates - Determination of aluminium content - Photometric and gravimetric methods. Original standard ISO 4295-1988 in PDF full version. Additional info + preview on request

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Manganese ores - Sampling - Part 1- Increment sampling. Original standard ISO 4296-1-1984 in PDF full version. Additional info + preview on request

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Manganese ores - Sampling - Part 2- Preparation of samples. Original standard ISO 4296-2-1983 in PDF full version. Additional info + preview on request

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Manganese ores and concentrates - Methods of chemical analysis - General instructions. Original standard ISO 4297-1978 in PDF full version. Additional info + preview on request

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Manganese ores and concentrates - Determination of manganese content - Potentiometric method. Original standard ISO 4298-2022 in PDF full version. Additional info + preview on request

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Manganese ores - Determination of moisture content. Original standard ISO 4299-1989 in PDF full version. Additional info + preview on request

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