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ISO 23753-2:2005

Soil quality — Determination of dehydrogenase activity in soils — Part 2: Method using iodotetrazolium chloride (INT)
27 tet 2005
95.99 Withdrawal of Standard   15 shk 2019

General information

95.99     15 shk 2019

ISO

ISO/TC 190/SC 4

International Standard

13.080.30  

anglisht   frëngjisht  

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Scope

ISO 23753-2:2005 specifies a method for determining soil dehydrogenase activity using 2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium chloride (INT). As the INT reduction is less sensitive to O2, the method is more reproducible than the TTC-method described in ISO 23753-1. It is not applicable for determining the dehydrogenase activity in upper layers (L, F, H horizons) of forest humus forms with low microbial activity (e.g. mor), or in soils showing reducing properties (e.g. waterlogged soils).

Life cycle

NOW

WITHDRAWN
ISO 23753-2:2005
95.99 Withdrawal of Standard
15 shk 2019

REVISED BY

PUBLISHED
ISO 23753-2:2019