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LIQUID-LIQUID-EXTRACTION SEPARATION OF THALLIUM(I) WITH CRYPTAND-222 AND ERYTHROSIN

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Title LIQUID-LIQUID-EXTRACTION SEPARATION OF THALLIUM(I) WITH CRYPTAND-222 AND ERYTHROSIN
 
Creator GANDHI, MN
KHOPKAR, SM
 
Subject solvent-extraction
crown ethers
ion
atomic absorption spectrometry
cryptands
erythrosin
extraction
liquid liquid extraction
thallium
 
Description Thallium(I) was quantitatively extracted, at pH 6.5, with 1 X 10(-3) M cryptand 222 in chloroform with 1 x 10(-3) M erythrosin as the counterion. From the organic phase it was stripped with 0.1 M sulphuric acid and was determined by atomic absorption spectrometry at 276.8 nm. The composition of extracted species for thallium(I): cryptand 222: erythrosin was 1:1:1. The separation of thallium(I) from several elements, and its determination in spiked sediments, was possible.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2011-07-25T15:45:06Z
2011-12-26T12:51:20Z
2011-12-27T05:37:57Z
2011-07-25T15:45:06Z
2011-12-26T12:51:20Z
2011-12-27T05:37:57Z
1992
 
Type Article
 
Identifier ANALYTICA CHIMICA ACTA, 270(1), 87-93
0003-2670
http://dx.doi.org/10.1016/0003-2670(92)80094-N
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6723
http://hdl.handle.net/10054/6723
 
Language en