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Traditional Chinese medicine - Ephedra sinica, Ephedra intermedia and Ephedra equisetina herbaceous stem. Original standard ISO 9306-2023 in PDF full version. Additional info + preview on request

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Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1- Membrane filtration method for waters with low bacterial background flora. Original standard ISO 9308-1-2014 in PDF full version. Additional info + preview on request

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Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1- Membrane filtration method for waters with low bacterial background flora - Amendment 1. Original standard ISO 9308-1-2014 amd1-2016 in PDF full version. Additional info + preview on request

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Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2- Most probable number method. Original standard ISO 9308-2-2012 in PDF full version. Additional info + preview on request

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Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 3- Miniaturized method (Most Probable Number) for the detection and enumeration of E. coli in surface and waste water. Original standard ISO 9308-3-1998 in PDF full version. Additional info + preview on request

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Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 3- Miniaturized method (Most Probable Number) for the detection and enumeration of E. coli in surface and waste water - Technical Corrigendum 1. Original standard ISO 9308-3-1998 cor1-2000 in PDF full version. Additional info + preview on request

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