Reference number
ISO 6461-2:1986
© ISO 2025
International Standard
ISO 6461-2:1986
Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) — Part 2: Method by membrane filtration
Edition 1
1986-02
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Published (Edition 1, 1986)
This publication was last reviewed and confirmed in 2018. Therefore this version remains current.

ISO 6461-2:1986

Language
Format
CHF 43
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Abstract

The procedure is applicable to all types of water, except when a large amount of particulate material is liable to be retained by the membrane. The principle covers several steps from selection by applying heat to destroy vegetative bacteria to filtration of the water sample through a membrane filter having a suitable pore size (0,2 µm) to retain the spores in or on it. The filter is placed on a selective culture medium, followed by incubation and counting of black colonies.

General information

  • Status
     : Published
    Publication date
     : 1986-02
    Stage
    : Close of review [90.60]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 147/SC 4
    ICS :
    07.100.20 
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