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Title: Spectrophotometric determination of yttrium in Y-Al alloys with 5,7-diiodoquinoline-8-ol and Rhodamine 6G
Authors: VijayaJekshmy, B
Biju, V M
Rao, T Prasada
Issue Date: Sep-2003
Publisher: NISCAIR-CSIR, India
Abstract: A simple and sensitive spectrophotometric method for the determination of yttrium in Y-Al alloys has been developed. The method is based on the extraction of ternary ion-association complex yttrium-5,7-diiodoquinoline-8-ol-Rhodamine 6G into toluene that has an absorption maximum at 540nm. Beer’s law is obeyed over the range 0-20 μg of yttrium and the molar absorptivity coefficient is 5.3×105L mol-1 cm-1. The ternary ion-association complex in toluene is stable for about 2h.
Page(s): 466-469
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.10(5) [September 2003]

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