Use of acetohydroxamic acid in the direct spectrophotometric determination of iron(III) and iron(II) by flow injection analysis

The direct spectrophotometric determination of iron(III) and iron(II) by flow injection analysis with acetohydroxamic acid and 1,10-phenanthroline as reagents is reported. The working ranges are 0.5–10 and 10–60 mg l −1, respectively. Results obtained for synthetic mixtures of Fe(III) and Fe(II) and...

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Bibliographic Details
Published in:Analytica chimica acta 1987, Vol.196, p.333-336
Main Authors: Senior, A.T., glennon, J.D.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
Spectrometric and optical methods
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Summary:The direct spectrophotometric determination of iron(III) and iron(II) by flow injection analysis with acetohydroxamic acid and 1,10-phenanthroline as reagents is reported. The working ranges are 0.5–10 and 10–60 mg l −1, respectively. Results obtained for synthetic mixtures of Fe(III) and Fe(II) and for acid extracts of haematite samples were accurate. Interference studies indicate that the method is highly selective.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(00)83106-2