ISO 23753-2:2019
Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT)

Standard No.

ISO 23753-2:2019

Release Date

2019

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 23753-2:2019/Amd 1:2020

Latest

ISO 23753-2:2019/Amd 1:2020

Scope

This document specifies a method for determining activity of dehydrogenases 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 robust than the TTC-method described in ISO 23753-1.

ISO 23753-2:2019 Referenced Document

• ISO 11465 Soil quality; determination of dry matter and water content on a mass basis; gravimetric method; technical corrigendum 1

ISO 23753-2:2019 history

• 2020 ISO 23753-2:2019/Amd 1:2020 Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT) — Amendment 1
• 2019 ISO 23753-2:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT)
• 2005 ISO 23753-2:2005 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)