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Component analysis of the commercial metal extractant, Cyanex 302, by GC-MS.
MedLine Citation:
PMID:  11874115     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The composition of the commercial reagent Cyanex 302 was investigated by GC-MS. Mass spectrometric studies allowed us to confirm that bis(2,4,4-trimethylpentyl)monothiophosphinic acid is the major compound and that a considerable amount of tris(2,4,4-trimethylpentyl)phosphine oxide is also present. The study also revealed that the extractant has three minor components. These were identified as bis(2,4,4-trimethylpentyl)phosphinic acid, bis(2,4,4-trimethylpentyl)phosphine oxide and bis(2,4,4-trimethylpentyl)dithiophosphinic acid. The mass spectra of these compounds are discussed and some fragmentation processes are postulated.
Authors:
Begoña Menoyo; María P Elizalde
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Analytical sciences : the international journal of the Japan Society for Analytical Chemistry     Volume:  18     ISSN:  0910-6340     ISO Abbreviation:  Anal Sci     Publication Date:  2002 Feb 
Date Detail:
Created Date:  2002-03-04     Completed Date:  2002-04-05     Revised Date:  2003-11-03    
Medline Journal Info:
Nlm Unique ID:  8511078     Medline TA:  Anal Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  141-6     Citation Subset:  -    
Affiliation:
Departamento Química Analítica, Universidad del Pais Vasco, Bilbao, Spain.
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