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A method for removal of chloride interference in determination of aluminium by atomic-absorption spectrometry with a graphite furnace.
MedLine Citation:
PMID:  18962452     Owner:  NLM     Status:  In-Data-Review    
Methods for removal of the chloride interferences in determination of aluminium by atomic-absorption spectrometry with a graphite furnace have been investigated. Two mechanisms of chloride interference have been established. The first arises from co-ordination of the chloride to aluminium. This interference can be removed by preventing the co-ordination. The other is due to co-existing chloride salts remaining until the atomization step. This interference can be removed by volatilizing the chloride or by converting it and/or aluminium chloride into another substance such as the oxides before the atomization step. The tetra-ammonium salt of EDTA is very suitable as an additive to overcome chloride interference because of its ability to co-ordinate aluminium and other cations, and also its effect when heated.
K Matsusaki; T Yoshino; Y Yamamoto
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Talanta     Volume:  26     ISSN:  0039-9140     ISO Abbreviation:  Talanta     Publication Date:  1979 May 
Date Detail:
Created Date:  2008-10-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984816R     Medline TA:  Talanta     Country:  England    
Other Details:
Languages:  eng     Pagination:  377-80     Citation Subset:  -    
Department of Industrial Chemistry, Technical College, Yamaguchi University, Tokiwadai, Ube 755, Japan.
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