Tämä kansainvälinen standardi esittää menetelmän Pseudomonas aeruginosan osoittamiseen ja lukumäärän laskemiseen pakattujen vesien näytteistä kalvosuodatusmenetelmällä. Menetelmää voidaan myös soveltaa toisentyyppisiin vesiin, joissa syntyy vain vähäinen taustakasvusto, esim. uima-allasvedet ja ihmisten nautittavaksi tarkoitetut vedet.
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Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 Filtration
4.2 Enumeration
4.3 Confirmation
5 Diluents, culture media and reagents
5.1 Culture medium
5.2 Confirmatory media and reagents
6 Apparatus and glassware
6.1 Glassware
7 Sampling
8 Procedure
8.1 General
8.2 Membrane filtration
8.3 Incubation of plates
8.4 Examination of membranes
8.5 Confirmation
9 Expression of results
10 Test report
11 Performance data
12 Interferences
13 Quality assurance
Annex A Further information about Pseudomonas aeruginosa (informative)
ISO 19458:2006 Water quality -- Sampling for microbiological analysis
ISO 3696:1987 Water for analytical laboratory use -- Specification and test methods
ISO 5667-1:2006 Water quality -- Sampling -- Part 1: Guidance on the design of sampling programmes and sampling techniques
ISO 19458:2006 Water quality -- Sampling for microbiological analysis
ISO 3696:1987 Water for analytical laboratory use -- Specification and test methods
ISO 5667-1:2006 Water quality -- Sampling -- Part 1: Guidance on the design of sampling programmes and sampling techniques
ISO 5667-2:1991 Water quality -- Sampling -- Part 2: Guidance on sampling techniques
ISO 5667-3:2003 Water quality -- Sampling -- Part 3: Guidance on the preservation and handling of water samples
ISO 6887-1:1999 Microbiology of food and animal feeding stuffs -- Preparation of test samples, initial suspension and decimal dilutions for microbiological examination -- Part 1: General rules for the preparation of the initial suspension and decimal dilutions
ISO 7704:1985 Water quality -- Evaluation of membrane filters used for microbiological analyses
ISO 8199:2005 Water quality -- General guidance on the enumeration of micro-organisms by culture