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The Use of Sulphophtalein Dyes Immobilized on Anionite AB-17x8 to Determine the Contents of Pb(II), Cu(II), Hg(II) and Zn(II) in Liquid Medium

Elizaveta Kostenko1, Lyudmila Melnyk1, Svitlana Matko1and Myroslav Malovanyy2
Affiliation: 
1National University of Food Technologies, 68 Volodymyrska St., 01601 Kyiv, Ukraine; kostenkoelizaveta@ukr.net, plqaz@ukr.net 2Lviv Polytechnic National University, 12 S. Bandery St., 79013 Lviv, Ukraine; mmal@lp.edu.ua
DOI: 
https://doi.org/10.23939/chcht11.01.117
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Abstract: 
The conditions of the immobilization of xylenol orange, methylthymol blue, pyrocatechol violet, and chromazurol S at the surface of AB-178 anionite were studied. The interaction of Cu(II), Pb(II), Zn(II), Hg(II) ions with obtained solid-phase reagents was investigated. The efficiency of the purification of apple juice with such natural adsorbent of Cherkasy deposits (Ukraine) as palygorskite was studied. The optimum conditions of the reactions, quantitative characteristics of the composition and the surface compound stability, the efficiency of the anion exchanger with the immobilized sulphophthalein dyes were determined.
References: 

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