Spectrophotometric determination of tellurium in trace quantities by use of an ion-association complex |
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| Authors: | Vijayakumar M Ramakrishna T V Aravamudan G |
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| Institution: | Department of Chemistry, Indian Institute of Technology, Madras. 600 036, India. |
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| Abstract: | The formation of an ion-association complex by the interaction of iodotellurate(IV) with cetyltrimethylammonium bromide is used as the basis of an extractive procedure to determine tellurium in the range 2.5-12.5 mug in a final aqueous phase volume of 20 ml. The method is simple, reliable and sensitive. Selectivity is achieved by separation of tellurium on aluminium hydroxide as collector. |
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