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BS EN ISO 20227:2017

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Water quality. Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza. Method using a stock culture independent microbiotest

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  • AS/NZS 4276.6:2007

    Water microbiology - Method 6: Coliforms, Escherichia coli and thermotolerant coliforms - Determination of most probable number (MPN)

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BS EN ISO 20227:2017

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