BS ISO 16649-1:2018 – TC:2020 Edition
$134.27
Tracked Changes. Microbiology of the food chain. Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli – Colony-count technique at 44 ° C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 45 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 27 | National foreword |
| 31 | Foreword |
| 32 | Introduction |
| 34 | 1 Scope 2 Normative references 3 Terms and definitions |
| 35 | 4 Principle 4.1 Test portion, initial suspension, dilutions and resuscitation step 4.2 Culture on selective medium 4.3 Calculation 5 Culture media and reagents 6 Equipment and consumables |
| 36 | 7 Sampling 8 Preparation of test sample 9 Procedure 9.1 General 9.2 Test portion, initial suspension and dilutions |
| 37 | 9.3 Resuscitation 9.4 Transfer to selective medium and incubation 9.5 Counting the colony-forming units (cfu) 9.6 Calculation 10 Expression of results |
| 38 | 11 Performance characteristics of the method 12 Test report 13 Quality assurance |
| 39 | Annex A (normative) Composition and preparation of culture media and reagents |
| 43 | Bibliography |
