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Solid-phase extractive preconcentration and separation of lanthanum(III) and cerium(III) using a polymer-supported chelating calix [4] arene resin

โœ Scribed by V. K. Jain; R. A. Pandya; S. G. Pillai; Y. K. Agrawal; P. H. Kanaiya


Book ID
110211677
Publisher
SP MAIK Nauka/Interperiodica
Year
2007
Tongue
English
Weight
209 KB
Volume
62
Category
Article
ISSN
1061-9348

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Polymer supported calix[4]arene-semicarb
โœ V.K. Jain; A. Handa; R. Pandya; P. Shrivastav; Y.K. Agrawal ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 231 KB

The new ''upper-rim'' functionalized 11,23-disemicarbazono-26,28-n-dipropoxy-25,27-dihydroxy calix[4]arene has been synthesized by condensing 11,23-diformyl-26,28-n-dipropoxy-25,27-dihydroxy calix[4]arene with semicarbazide hydrochloride. This calix[4]arene-semicarbazone derivative was then covalent