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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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
|Uncontrolled Keywords:||Cerium; O-Phenylenediamine|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||10 Jun 2010 13:04|
|Last Modified:||13 Dec 2011 15:13|
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