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A Simple Thermometric Technique for Reaction-Rate Determination of Inorganic Species, Based on the Iodide-Catalysed cerium(IV)-arsenic(III) Reaction

A Simple Thermometric Technique for Reaction-Rate Determination of Inorganic Species, Based on the Iodide-Catalysed cerium(IV)-arsenic(III) Reaction

F Grases, R Forteza, J G March, V Cerda

Talanta. 1985 Feb;32(2):123-6.

PMID: 18963807

Abstract:

A very simple reaction-rate thermometric technique is used for determination of iodide (5-20 ng ml ), based on its catalytic action on the cerium(IV)-arsenic(III) reaction, and for determination of mercury(II) (1.5-10 ng ml ) and silver(I) (2-10 ng ml ), based on their inhibitory effect on this reaction. The reaction is followed by measuring the rate of temperature increase. The method suffers from very few interferences and is applied to determination of iodide in biological and inorganic samples, and Hg(II) and Ag(I) in pharmaceutical products.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7790876	Cerium(III) iodide		7790-87-6	Price

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