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BS EN ISO 21150:2015 – TC:2020 Edition

BS EN ISO 21150:2015 – TC:2020 Edition

$186.33

Tracked Changes. Cosmetics. Microbiology. Detection of Escherichia coli

Published By Publication Date Number of Pages
BSI 2020 49
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PDF Catalog

PDF Pages PDF Title
27 European foreword
29 Foreword
30 Introduction
32 1 Scope
2 Normative references
3 Terms and definitions
33 4 Principle
5 Diluents and culture media
5.1 General
34 5.2 Diluent for the bacterial suspension (tryptone sodium chloride solution)
5.2.1 General
5.2.2 Composition
5.2.3 Preparation
5.3 Culture media
5.3.1 General
5.3.2 Agar medium for the suitability test (see Clause 11) [soybean-casein digest agar medium (SCDA) or tryptic soy agar (TSA)]
35 5.3.3 Enrichment broth
5.3.4 Selective agar medium for isolation of Escherichia coli
36 5.3.5 Selective agar medium for confirmation of Escherichia coli
37 6 Apparatus and glassware
7 Strains of microorganisms
8 Handling of cosmetic products and laboratory samples
9 Procedure
9.1 General recommendation
9.2 Preparation of the initial suspension in the enrichment broth
9.2.1 General
38 9.2.2 Water-miscible products
9.2.3 Water-immiscible products
9.2.4 Filterable products
9.3 Incubation of the inoculated enrichment broth
9.4 Detection and identification of Escherichia coli
9.4.1 Isolation
9.4.2 Identification of Escherichia coli
39 10 Expression of the results (detection of Escherichia coli)
11 Neutralization of the antimicrobial properties of the product
11.1 General
11.2 Preparation of inoculum
11.3 Suitability of the detection method
11.3.1 Procedure
40 11.3.2 Interpretation of suitability test results
12 Test report
41 Annex A (informative) Other enrichment broths
44 Annex B (informative) Neutralizers of antimicrobial activity of preservatives and rinsing liquids
45 Bibliography

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BS EN ISO 21150:2015 - TC
$186.33