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Comparison of soluble manganese(IV) and acidic potassium permanganate chemiluminescence detection using flow injection and sequential injection analysis for the determination of ascorbic acid in vitamin C tablets
journal contribution
posted on 2004-09-08, 00:00 authored by N Anastos, Neil BarnettNeil Barnett, B Hindson, Claire Lenehan, S LewisThe limits of detection (3s) for ascorbic acid were 5×10−8 M with acidic potassium permanganate using both flow injection analysis (FIA) and sequential injection analysis (SIA) whereas the soluble manganese(IV) afforded 1×10−8 M and 5×10−9 M for FIA and SIA, respectively. Determinations of ascorbic acid in Vitamin C tablets were achieved with minimal sample pretreatment using a standard additions calibration and gave good agreement with those of iodimetric titration.
History
Journal
TalantaVolume
64Issue
1Pagination
130 - 134Publisher
Elsevier B.V.Location
Amsterdam, NetherlandsPublisher DOI
ISSN
0039-9140eISSN
1873-3573Language
engNotes
Available online 8 April 2004.Publication classification
C1 Refereed article in a scholarly journalCopyright notice
2004, Elsevier B.V.Usage metrics
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