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Title: | Study of Chelate Formation of Rhodium (III) with Eriochrome Cyanine R |
Authors: | Khungar, Bharti |
Keywords: | Chemistry Study of Chelate Formation Rhodium Eriochrome Cyanine R |
Issue Date: | Dec-2008 |
Publisher: | ACS |
Abstract: | The composition and stability of Rhodium-Eriochrome cyanine R (abbreviated as ECR) has been studied. The pink colored chelate has maximum wavelength at 530 nm and a composition of 1:2 (metal: chelating). The chelate is stable between pH 2 to 5. The values of Log K ( K= Stability constant ) as calculated by Dey and Coworkers, Job's method of Continuous Variation and Mole Ratio method using absorbance data are10.1, 9.9 and 10.2 respectively at pH 4 and at 25oC. The colored complex confirms to Beer's law over the rhodium concentration of 0.60 to 9.8 ppm. |
URI: | http://www.journalofchemistry.org/paper/743/ http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/2985 |
Appears in Collections: | Department of Chemistry |
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