Copper, lead, zinc and nickel concentrates
BS ISO 12743:2021 pdf free.Copper, lead, zinc and nickel concentrates – Sampling procedures for determination of metal and moisture content. 7.2.3 Sample cutter The following cutters may be used for taking primary increments: a) a falling-stream cutter whose cutting speed is constant during the course of handling the entire lot; b) a falling-stream cutter whose cutting speed is constant while […]
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