International Standard
ISO 18187:2024
Soil quality — Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis
Reference number
ISO 18187:2024
Edition 2
2024-05
© ISO 2025
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Published (Edition 2, 2024)

ISO 18187:2024

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Format
CHF 155
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Abstract

This document specifies a rapid method for assessing solid samples in an aerobic suspension, by determining the inhibition of dehydrogenase activity of Arthrobacter globiformis using the redox dye resazurin.

It is applicable for assessing the effect of water-soluble and solid matter bounded non-volatile contaminants in natural samples, such as soils and waste materials. Although not the main purpose, the contact test can additionally be used for testing the effect of chemicals, as described in the Annex C. The test yields a result within 6 h and can therefore be used for screening potentially contaminated test material.

General information

  • Status
     : Published
    Publication date
     : 2024-05
    Stage
    : International Standard published [60.60]
  • Edition
     : 2
    Number of pages
     : 27
  • Technical Committee :
    ISO/TC 190/SC 4
    ICS :
    13.080.30 
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