Speciation of iron and manganese in dam water particles using electron spectroscopy for chemical analysis (ESCA)

Zaw M. and Chiswell B. (1995) Speciation of iron and manganese in dam water particles using electron spectroscopy for chemical analysis (ESCA). Talanta, 42 1: 27-40. doi:10.1016/0039-9140(94)00211-A


Author Zaw M.
Chiswell B.
Title Speciation of iron and manganese in dam water particles using electron spectroscopy for chemical analysis (ESCA)
Journal name Talanta   Check publisher's open access policy
ISSN 0039-9140
Publication date 1995-01-01
Sub-type Article (original research)
DOI 10.1016/0039-9140(94)00211-A
Open Access Status Not yet assessed
Volume 42
Issue 1
Start page 27
End page 40
Total pages 14
Language eng
Subject 1600 Chemistry
Abstract The speciation of iron and manganese compounds retained by membrane filtration of dam water samples was studied by use of electron spectroscopy for chemical analysis (ESCA). Samples were taken at various depths and times of year from North Pine Dam near Brisbane, Australia. Both surface and bulk properties of samples representative of the water column profile were investigated. ESCA results showed that iron(III) compounds were found to predominate in the whole water column in any season of the year while the significance of iron(II) species varied in the hypolimnion (the bottom layer). In summer, although various ratios of manganese(II), manganese(III) and manganese(IV) compounds were found to occur down the water column, manganese(IV) compounds were predominant in the epilimnion (the top layer), while both manganese(II) and (IV) compounds predominated in the metalimnion (the middle layer) and the hypolimnion. The majority of Mn(IV) compounds were found throughout the water column after heavy rain and winter season. The ratios of atomic concentrations of iron and manganese as determined by atomic absorption spectrophotometry and ESCA are also discussed.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 08 Aug 2017, 00:10:50 EST by System User