NEN 6274 : 1995 C1 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BACTERIOLOGICAL EXAMINATION OF WATER - ENUMERATION OF FECAL STREPTOCOCCI BY MEMBRANE FILTRATION
01-06-2000
12-01-2013
Provides a method to demonstrate faecal streptococci by filtering a sample through a membrane filter, and by incubating the filter in a suitable, selective medium. Characteristic colonies are closer examined in a second selective medium.
| DevelopmentNote |
Supersedes NEN 6562 and NEN 6564. (10/2002)
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| DocumentType |
Standard
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| PublisherName |
Netherlands Standards
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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