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ISO 23753-2:2005

Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)

standard by International Organization for Standardization , 11/01/2005

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Full Description

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).
 

Product Details

Published:
11/01/2005
File Size:
1 file , 170 KB
Same As:
BS EN ISO 23753-2:2011, DIN EN ISO 23753-2
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 23753-2:2019


    Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT)

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  2. ISO 23753-2:2005

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    Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)

    • Historical Version