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SORPTION AND STUDY OF IONS OF Cu(II), Zn(II) AND Ni(II) IN SYNTHESISED SORBENT BASED ON UREA, FORMALDEHYDE AND DIPHENYLCARBAZONE

Authors

Keywords:

: carbamide, formaldehyde, diphenylcarbazone, polycondensation of static exchange capacity, pH, IR spectrum,

Abstract

This article synthesized a nitrogen-containing chelating sorbent based on the cross-polycondensation reaction of urea and formaldehyde with diphenylcarbazone (UF-DC) in an alkaline environment. The effect of temperature on the polycondensation process of the synthesized UF-DC was studied. The optimal temperature for polycondensation was chosen as 363 K, and the duration of the reaction was 1,5-2 hours, the static exchange capacity for 0,1 N NaOH solution was 4,3 mg-eq/g. 0.1:0.2 0.3 mol ratios of urea, formaldehyde (2:5), and diphenylcarbazone were taken for the chelating sorbent, and the levels of sorption with Cu (II), Zn (II), and Ni (II) were determined. The influence of the environment on the sorption process of KF-DK with Cu (II) ions was analyzed. Based on the results of IR spectroscopic analysis, the approximate structure of the newly synthesized sorbent was proposed.

Author Biographies

  • , Termiz muhandislik-texnologiya instituti

    Termiz davlat muhandislik va agrotexnologiyalar universiteti, texnika fanlari falsafa doktori

  • , Termiz davlat universiteti

    Termiz davlat universiteti, analitik kimyo kafedrasi professori

  • , Termiz davlat universiteti

    Termiz davlat universiteti, noorganik kimyo kafedrasi professori

  • , Termiz davlat muhandislik va agrotexnologiyalar universiteti

    Termiz davlat muhandislik va agrotexnologiyalar universiteti o‘qituvchisi

  • , Termiz davlat muhandislik va agrotexnologiyalar universiteti

    Termiz davlat muhandislik va agrotexnologiyalar universiteti, texnika fanlari falsafa doktori

  • , Termiz davlat muhandislik va agrotexnologiyalar universiteti

    Termiz davlat muhandislik va agrotexnologiyalar universiteti, texnika fanlari falsafa doktori

References

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Yusuf Geldiev, Turaev K, Umbarov I & Eshmurodov K, Int J Eng Trends Tech, 70 (2022) 447.

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Published

2025-01-24

Issue

No. 6 (2024): FarDU.Ilmiy xabarlar jurnali (Aniq va tabiiy fanlar)

Section

Chemistry

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