Reference Source

ISO 9998:1991

For ISO 9998:1991, item title is Water quality — Practices for evaluating and controlling microbiological colony count media used in water quality tests; status code is 9599; successor is ISO 11133:2014; withdrawn / published date is 1991-10-17, recorded from its source on 2026-08-05.

Identifier
ISO 9998:1991 verified
Item title
Water quality — Practices for evaluating and controlling microbiological colony count media used in water quality tests verified
Status code
9599 verified
Successor
ISO 11133:2014
Withdrawn / published date
1991-10-17 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

17933,IS,,ISO 9998:1991,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,1991-10-17,1,['07.100.20'],ISO/TC 147/SC 4,9599,,[53610],"['en','fr']",22,"<p>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.</p>"

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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