I.S. EN ISO 21567:2004
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 General
4.2 Enrichment in selective liquid medium
4.3 Plating out and identification of colonies
4.4 Biochemical and serological confirmation
5 Culture media, reagents and antisera
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 Test portion
9.2 Enrichment
9.3 Plating out and colony selection
9.4 Confirmation of colonies
9.5 Serological confirmation
10 Expression of results
11 Test report
Annex A (normative) Diagram of test procedure
Annex B (normative) Composition and preparation of culture
media and reagents
Annex C (normative) Description of Shigella colony morphology
and colour on selective agars, for both identification
and quality control purposes
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