Potentiometric flow-injection determination of iodide and iodine
Date
1990
Authors
Davey, D.E.
Mulcahy, D.E.
O'Connell, G.R.
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Journal article
Citation
Talanta, 1990; 37(3):313-316
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Abstract
A potentiometric flow-injection system is described, in which iodide in the concentration range 10-6-10-1M may be determined at rates of up to 360 samples/hr at a flow-rate of 17.8 ml/min. Iodine, after on-line reduction to iodide with 0.1M sodium metabisulphite, can also be determined, with a throughput of 60 samples/hr for 10-5-10-3M iodine. Analyses of two pharmaceutical preparations for iodide and iodine are reported, and the results are in reasonable agreement with titrimetric values.
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