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ISO DIS 23753-2
M00000097
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ISO DIS 23753-2 2017 Edition, December 7, 2017 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)
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Description / Abstract:
This part of ISO 23753 specifies a method for determining activity of dehydrogenase in soil, using 2‑(4‑iodophenyl)‑3‑(4-nitrophenyl)-5-phenyltetrazolium chloride (INT).[1-5] As the INT reduction is less sensitive to O2, the method is more reproducible than the TTC-method described in ISO 23753-1.