Document Detail

Determination of thiosulphate in the presence of dithionite and sulphite.
MedLine Citation:
PMID:  18962459     Owner:  NLM     Status:  In-Data-Review    
To determine thiosulphate in the presence of dithionite and sulphite, iodine dissolved in potassium bromide solution is used to oxidize thiosulphate to tetrathionate, and dithionite and sulphite to sulphate. The tetrathionate generated from the thiosulphate is then oxidized with potassium bromate-potassium bromide solution in the presence of hydrochloric acid. The bromine consumption of the tetrathionate is measured by titration of the excess of bromine with sodium thiosulphate after the addition of potassium iodide. For each equivalent of iodine used to determine thiosulphate by the Wollak method, fourteen equivalents of bromine are used to determine thiosulphate by this method.
L Brown; L Szekeres
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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:  414-6     Citation Subset:  -    
Pharmavite Pharmaceutical Corporation, Los Angeles, Ca. 91331, U.S.A.
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