The use of a copper thiourea reagent for the determination of exchangeable basic cations in soils

A procedure for the rapid determination of basic exchangeable cations in soils that uses atomic absorption spectrophotometry and the copper(I) complexes with thiourea is described and tested. The results obtained compared favourably with values obtained by displacement of cations with pH 8.5, 1 M am...

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Bibliographic Details
Published inAustralian journal of soil research Vol. 27; no. 1
Main Author Little, I.P. (Commonwealth Scientific and Industrial Research Organization, Canberra (Australia). Div. of Soils)
Format Journal Article
LanguageEnglish
Published 1989
Subjects
ANALISIS DEL SUELO
ANALYSE DE SOL
CATION
CATIONES
ECHANGE D'ION
ESPECTROMETRIA DE ABSORCION ATOMICA
INTERCAMBIO IONICO
METHODE
METODOS
SPECTROMETRIE D'ABSORPTION ATOMIQUE
TECHNIQUE ANALYTIQUE
TECNICAS ANALITICAS
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Summary:A procedure for the rapid determination of basic exchangeable cations in soils that uses atomic absorption spectrophotometry and the copper(I) complexes with thiourea is described and tested. The results obtained compared favourably with values obtained by displacement of cations with pH 8.5, 1 M ammonium chloride and 0.01 M silver thiourea.
Bibliography:P33
8903831
ISSN:0004-9573
1446-568X
DOI:10.1071/SR9890117