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Water quality. Gross alpha and gross beta activity. Test method using liquid scintillation counting. Original standard UNE-EN ISO 11704-2018 in PDF full version. Additional info + preview on request

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Water quality. Enumeration of Legionella. Original standard UNE-EN ISO 11731-2017 in PDF full version. Additional info + preview on request

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Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection. Original standard UNE-EN ISO 11732-2005 in PDF full version. Additional info + preview on request

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Water quality. Evaluation of the 'ultimate' anaerobic biodegradability of organic compounds in digested sludge. Method by measurement of the biogas production. Original standard UNE-EN ISO 11734-1999 in PDF full version. Additional info + preview on request

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Sterilization of health care products. Microbiological methods - Determination of a population of microorganisms on products. Original standard UNE-EN ISO 11737-1-2018 in PDF full version. Additional info + preview on request

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Sterilization of health care products. Microbiological methods - Tests of sterility performed in the definition, validation and maintenance of a sterilization process. Original standard UNE-EN ISO 11737-2-2020 in PDF full version. Additional info + preview on request

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