He 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
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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.
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solid-phase spectrophotometric determination of metal ions, immobilized sulphophthalein dyes, fruit juices, твердофазно-спектрофотометричне визначення іонів металів, іммобілізовані сульфофталеїнові барвники, фруктові соки, твердофазно-спектрофотометрическое определения ионов металлов, иммобилизованные сульфофталеиновые красители, фруктовые соки, кафедра харчової хімії, кафедра процесів і апаратів харчових виробництв, кафедра технології консервування
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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 / Е. Kostenko, L. Melnuk, S. Matko, М. Malyovanyy // Chemistry & Chemical Technology. – Lviv : Lviv Polytechnic National University. – 2017. – V 11, N.1. – P. 117–124.