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BS EN ISO 7704:2023 Water quality. Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods >
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BS EN ISO 7704:2023 Water quality. Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods, 2023
- undefined [Go to Page]
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 4 Principle [Go to Page]
- 5 Apparatus and glassware
- 6 Culture media and diluents
- 7 Preparation of microorganisms for performance testing [Go to Page]
- 8 Sampling of membrane filters for testing
- 9 Procedure [Go to Page]
- 10 Calculation, expression and interpretation of results [Go to Page]
- 11 Documentation of test results [Go to Page]
- Annex A (normative) Diagram of the procedure for batch testing
- Annex B (informative) Example of a card for recording test results from batch testing
- Annex C (informative) Quantitative supplementary testing of membrane filters
- Annex D (informative) Qualitative supplementary testing of membrane filters
- Annex E (informative) Practical example of quantitative batch testing and quantitative supplementary testing by the end user
- Bibliography [Go to Page]