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Norm
ISO 7704:1985
Issue date: 1985 03 14
Water quality — Evaluation of membrane filters used for microbiological analyses
Gives a procedure for the evaluation and comparison of water-testing filters intended for the enumeration of specific organisms and mixed microbial populations. The proce...
Withdrawn: 2023 01 12
Publisher:
International Organization for Standardization
Format:
Digital | 4 Pages
Language:
English
Currently valid:
ICS
Gives a procedure for the evaluation and comparison of water-testing filters intended for the enumeration of specific organisms and mixed microbial populations. The procedure provides general guidelines for comparative testing of the recoveries of bacteria, yeasts and other fungi on membrane filters, as compared to recoveries by the spread plate and pour plate techniques.
ISO 7704:2023
2023 01 12
Water quality — Requirements for the performance testing of membrane filters used for direct enumera...
Norm
ISO 7704:1985
1985 03 14
Water quality — Evaluation of membrane filters used for microbiological analyses
Norm
↖
Norm
Issue date :
2023 01 12
Water quality — Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods
