DIN EN ISO 21149:2017-11
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Cosmetics - Microbiology - Enumeration and detection of aerobic mesophilic bacteria (ISO 21149:2017)
Hardcopy , PDF
02-01-2023
English, German
01-11-2017
National foreword
National Annex NA (informative) - Bibliography
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluents, neutralizers and culture media
6 Apparatus and glassware
7 Strains of microorganisms
8 Handling of cosmetic products and laboratory samples
9 Procedure
10 Counting of colonies (plate counts and membrane
filtration methods)
11 Detection of growth (enrichment method)
12 Expression of results
13 Neutralization of the antimicrobial properties
of the product
14 Test report
Annex A (informative) - Other neutralizing diluents
Annex B (informative) - Other diluents
Annex C (informative) - Other culture media
Annex D (informative) - Neutralizers of antimicrobial
activity of preservatives and rinsing liquids
Bibliography
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.