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Overview ISO 4296-1:1984 - "Manganese ores - Sampling - Part 1: Increment sampling" defines standardized methods for taking representative increment samples of manganese ores at dispatch and acceptan…
Overview ISO 4296-2:1983 - "Manganese ores - Sampling - Part 2: Preparation of samples" specifies standardized methods for preparing manganese ore samples for chemical composition and moisture conten…