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BS EN ISO 21322:2021:2022 Edition

BS EN ISO 21322:2021:2022 Edition

$167.15

Cosmetics. Microbiology. Testing of impregnated or coated wipes and masks

Published By Publication Date Number of Pages
BSI 2022 36
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PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
4.1 General information
4.2 Selection of the test sample
11 4.3 Selection of the method
4.4 Recovery of microorganisms from the test sample
4.5 Enumeration of aerobic mesophilic microorganisms
4.5.1 General
4.5.2 Plate count method overview
4.5.3 Membrane filtration method overview
12 4.6 Detection of specified microorganisms by enrichment method
5 Diluents, neutralizers and culture media
5.1 General
5.2 Diluents and neutralizers
5.3 Culture media
5.3.1 Media for enumeration and detection
5.3.2 Media for preparation of spores of Bacillus subtilis
6 Apparatus and glassware
7 Strains of microorganisms
13 8 Handling of cosmetic products and laboratory samples
9 Procedure
9.1 General recommendation
9.2 Selection and preparation of the test sample
9.2.1 Selection of the test sample
9.2.2 Preparation of the initial suspension
14 9.3 Recovery of microorganisms
9.3.1 General
9.3.2 Stomaching
9.3.3 Shaking/Stirring
9.4 Enumeration of aerobic mesophilic microorganisms
9.4.1 General
9.4.2 Pour plate method
15 9.4.3 Surface spread method
9.4.4 Membrane filtration method
9.4.5 Incubation
9.4.6 Counting of colonies
16 9.5 Detection of specified microorganisms by enrichment method
9.5.1 General
9.5.2 Test for specified microorganisms
10 Expression of results
10.1 Enumeration of aerobic mesophilic microorganisms
17 10.2 Detection of specified microorganisms
11 Suitability test
12 Test report
18 Annex A (normative) Guidance on methods for microbiological testing of impregnated or coated products ā€” Wipes and masks
22 Annex B (informative) Expression and interpretation of results
29 Annex C (normative) Suitability test method
34 Bibliography

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BS EN ISO 21322:2021
$167.15