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BSI 22/30431875 DC:2022 Edition

BSI 22/30431875 DC:2022 Edition

$13.70

BS ISO 20304-2. Fine bubble technology. Water treatment applications – Part 2. Test methods using a test micro-organism: Escherichia coli

Published By Publication Date Number of Pages
BSI 2022 29
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Safety precautions
5 Requirements
6 Test methods
6.1 Principle
6.2 Test facility
6.3 Culture media and reagents
6.3.1 General
6.3.2 Water
11 6.3.3 Tryptone Soya Agar (TSA)
6.3.4 Tryptone soya broth (TSB)
6.3.5 Lysogeny broth (LB)
6.3.6 Cryoprotective solution for bacterial species
12 6.3.7 Physiological saline
6.3.8 Tryptone Sodium Chloride Solution (TSCS)
6.4 Laboratory apparatus and glassware
14 6.5 Preparation of bacterial test suspension
6.5.1 Storage of strains
6.5.2 Working culture of test bacteria
15 6.5.3 Bacterial test suspension
6.6 Procedure
6.6.1 Choice of experimental conditions
16 6.6.2 Test procedure for antibacterial activity
17 6.7 Calculation and expression of results
7 Test report
19 Annex€A (normative) Strain numbers
20 Annex€B (normative) Shaking method
21 Annex€C (informative) Luminescence photometers and RLU
22 Annex€D (informative) Results of interlaboratory tests for disinfection efficiency of fine bubbles
29 Bibliography

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BSI 22/30431875 DC
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