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Essential oils. Determination of content of phenols. Original standard BS ISO 1272-2000 (2011) in PDF full version. Additional info + preview on request

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Zinc sulfide concentrates. Determination of zinc. Ion-exchange/EDTA titrimetric method. Original standard BS ISO 12739-2006 in PDF full version. Additional info + preview on request

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Copper, lead and zinc sulfide concentrates. Determination of transportable moisture limits. Flow-table method. Original standard BS ISO 12742-2020 in PDF full version. Additional info + preview on request

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Copper, lead, zinc and nickel concentrates. sampling procedures for determination of metal and moisture content. Original standard BS ISO 12743-2021 in PDF full version. Additional info + preview on request

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Copper, lead, zinc and nickel concentrates. Experimental methods for checking the precision of sampling. Original standard BS ISO 12744-2025 in PDF full version. Additional info + preview on request

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Copper, lead and zinc ores and concentrates. Precision and bias of mass measurement techniques. Original standard BS ISO 12745-2008 in PDF full version. Additional info + preview on request

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