ISO 18187:2024
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Soil quality — Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis
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05-14-2024
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 AnnexC. The test yields a result within 6h and can therefore be used for screening potentially contaminated test material.
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