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Title: | Acridine orange and chlorite reaction — An indicator reaction for the trace determination of Ru(III) |
Authors: | Bhagwat, V W Vijay, Rajani Jonnalgadda, S B Pare, Brijesh |
Keywords: | Ruthenuim(III) determination;Acridine orange;Acidic catalysis |
Issue Date: | Nov-2006 |
Publisher: | CSIR |
IPC Code: | B01J23/46 |
Abstract: | Catalysis by transition metal ions plays an important role in understanding the mechanistic aspects of a particular redox reaction. Ru(III) acts as an efficient and potential catalyst in many redox reactions. Hence the use of Ru(III) chloride as a homogeneous catalyst in acidic medium is of present interest. Based on the highly selective catalytic efficiency of Ru(III) on the oxidation of acridine orange {3,6-bis (dimethylamino) acridine zinc chloride double salt}(AO+) by acidic chlorite, a fixed-time kinetic analytical procedure for determination of Ru(III) is developed. The lowest determination limit attainable with the developed method is 1.01 ng/mL. The method allows determination of Ru(III) with no interference from a wide range of cations. Tolerance ratios have also been computed. With excess concentration of reactants, both un-catalyzed and catalyzed reactions follow a pseudo-first order kinetics in [AO+], fractional order kinetics in oxidant and first order kinetics in catalyst [Ru(III)]. The rate coefficient of the un-catalyzed reaction is 4.45![]() ![]() |
Page(s): | 644-647 |
URI: | http://hdl.handle.net/123456789/7110 |
ISSN: | 0975-0991 (Online); 0971-457X (Print) |
Appears in Collections: | IJCT Vol.13(6) [November 2006] |
Files in This Item:
File | Description | Size | Format | |
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IJCT 13(6) 644-647.pdf | 116.36 kB | Adobe PDF | View/Open |
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