BS EN ISO 16212:2017 – TC:2020 Edition
$186.33
Tracked Changes. Cosmetics. Microbiology. Enumeration of yeast and mould
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 0 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 29 | National foreword |
| 33 | Foreword |
| 36 | 1 Scope 2 Normative references 3 Terms and definitions |
| 37 | 4 Principles 4.1 General 4.2 Plate count 4.3 Membrane filtration |
| 38 | 5 Diluents, neutralizers and culture media 5.1 General 5.2 Neutralizing diluents and diluents |
| 39 | 5.3 Diluent for yeast suspension (tryptone sodium chloride solution) 5.4 Culture media |
| 40 | 6 Apparatus and glassware 7 Strain of microorganisms |
| 41 | 8 Handling of cosmetic products and laboratory samples 9 Procedure 9.1 General recommendation 9.2 Preparation of the initial suspension 9.2.1 General 9.2.2 Water-miscible products 9.2.3 Water-immiscible products 9.3 Counting methods 9.3.1 Dilutions for counting methods |
| 42 | 9.3.2 Plate-count methods 10 Counting of colonies (plate counts and membrane filtration methods) |
| 43 | 11 Expression of results 11.1 Method of calculation for plate count |
| 44 | 11.2 Interpretation |
| 45 | 12 Neutralization of the antifungicidal properties of the product 12.1 General |
| 46 | 12.2 Preparation of inoculum 12.3 Suitability of counting methods 12.3.1 Principle 12.3.2 Suitability test of the pour-plate method 12.3.3 Suitability of the surface spread method 12.3.4 Suitability of the membrane filtration method |
| 47 | 13 Test report |
| 48 | Annex A (informative) Other neutralizing diluents |
| 50 | Annex B (informative) Other diluents |
| 51 | Annex C (informative) Other culture media |
| 53 | Annex D (informative) Neutralizers of antifungicidal activity of preservatives and rinsing liquids |
| 54 | Bibliography |
