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ISO 23470

Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt(III)chloride solution

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Organization: ISO
Publication Date: 1 September 2018
Status: active
Page Count: 30
ICS Code (Physical properties of soils): 13.080.20
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.

Document History

ISO 23470
September 1, 2018
Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt(III)chloride solution
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...
ISO 23470
May 1, 2007
Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution
A description is not available for this item.

References

This document references:
NF X31-130 - Soil quality - Chemical methods - Determination of cationic exchange capacity (CEC) and extractible cations
Published by AFNOR on December 1, 1999
A description is not available for this item.
This document references:
ISO 10390 - Soil, treated biowaste and sludge – Determination of pH
Published by ISO on April 1, 2021
This document specifies an instrumental method for the routine determination of pH within the range pH 2 to pH 12 using a glass electrode in a 1:5 (volume fraction) suspension of soil, sludge and...
This document references:
ISO 11260 - Soil quality - Determination of effective cation exchange capacity and base saturation level using barium chloride solution
Published by ISO on May 1, 2018
This document specifies a method for the determination of the cation exchange capacity (CEC) at the pH of the soil and for the determination of the content of exchangeable sodium, potassium, calcium...
This document references:
ISO 11464 - Soil quality Pretreatment of samples for physico-chemical analysis
Published by ISO on July 1, 2006
A description is not available for this item.
This document references:
ISO 11465 - Soil Quality - Determination of Dry Matter and Water Content on a Mass Basis - Gravimetric Method
Published by ISO on January 1, 1993
This International Standard specifies a method for the determination of the dry matter content and water content of soil samples on a mass basis. This method can be applied to all types of soil...
This document is referenced by:
ISO TS 21236-1 - Nanotechnologies — Clay nanomaterials — Part 1: Specification of characteristics and measurement methods for layered clay nanomaterials
Published by ISO on October 1, 2019
This document specifies characteristics to be measured of layered clay nanomaterials in powder form and chemically modified ones, and describes their relevant measurement methods. This document does...
This document is referenced by:
TS 22171 - Soil quality — Determination of potential cation exchange capacity (CEC) and exchangeable cations buffered at pH 7, using a molar ammonium acetate solution
Published by ISO on December 1, 2023
This document specifies a method for the determination of potential cation exchange capacity (CEC) and the content of exchangeable cations (Ca, K, Mg, Na) in soils using a molar ammonium acetate...
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