Spectrophotometric determination of ce(iv) using o-phenylenediamine in steels

Agrawal, A and Sekhar, K C and Pandey, L P (1994) Spectrophotometric determination of ce(iv) using o-phenylenediamine in steels. Bulletin of Materials Science, 17 (7). pp. 1467-1471.

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Abstract

A simple and sensitive spectrophotometric method for the determination of cerium(IV) was developed. With o-phenylenediamine cerium(IV) gives an orange-red colour with an absorption maximum at 470 nm. The system obeys Beer's law in the range 7 ppm to 500 ppm with a molar absorptivity of 2.4 x 10(3) l mol(-1) cm(-1) and Sandell sensitivity of 0.5 ppm. Interference by various ions was studied. This method was used for the determination of cerium in low-alloy steels and the results are in good agreement with the certified values

Item Type:Article
Official URL/DOI:http:/www.nmlindia.org
Uncontrolled Keywords:Cerium; O-Phenylenediamine
Divisions:Metal Extraction and Forming
ID Code:961
Deposited By:Sahu A K
Deposited On:10 Jun 2010 13:04
Last Modified:13 Dec 2011 15:13
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