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ISO 23470:2018

Soil quality — Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt(III)chloride solution ISO 23470:2018

Publication date:   Sep 5, 2018

General information

90.93   Standard confirmed   Feb 16, 2024

ISO

ISO/TC 190/SC 3 Chemical and physical characterization

International Standard

13.080.20   Physical properties of soils

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Scope

This document specifies a method for the determination of cation exchange capacity (CEC) and the content of exchangeable cations (Al, Ca, Fe, K, Mg Mn, Na) in soils using a hexamminecobalt(III)chloride solution as extractant. For soils containing calcium carbonate a calcite saturated hexamminecobalt(III)chloride solution is specified particularly for determination of exchangeable Ca. This document is applicable to all types of air-dry soil samples which have been prepared according to ISO 11464.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 23470:2007

NOW

PUBLISHED
ISO 23470:2018
90.93 Standard confirmed
Feb 16, 2024




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