ISO 9998:1991Withdrawn

Water quality — Practices for evaluating and controlling microbiological colony count media used in water quality tests

Qualité de l'eau — Techniques d'évaluation et de contrôle des milieux microbiologiques servant au comptage des colonies pour les essais d'évaluation de la qualité de l'eau

This edition has been replaced by ISO 11133:2014.

Abstract / scope

Describes a method used for the comparison and evaluation of the same medium prepared from different lots of materials, and deals with the comparison and evaluation of different media which are used for the same purpose. Annexes A and B form an integral part of this Standard.

Life cycle

Replaced by

ISO 11133:2014PublishedMicrobiology of food, animal feed and water — Preparation, production, storage and performance testing of culture mediaInternational Standard · Published 14 May 2014 · ISO/TC 34/SC 9