The solvent-extraction and absorptiometric determination of iron with 2-mercaptopyridine-1-oxide
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 91 (1079) , 98-101
- https://doi.org/10.1039/an9669100098
Abstract
Iron(II) and iron(III) can be completely extracted from M sulphuric acid into a 0·02 M solution of 2-mercaptopyridine-1-oxide and determined absorptiometrically at 550 mµ. The only significant interference is from copper(II); the sensitivity of the method is 0·02 µg cm–2.Keywords
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