Investigation of Metal Cation and Dichromate Anios Extraction Properties of Some Calix[4, 8]aren Derivatives

Yıl 2019, , 630 - 634, 25.08.2019

Ömer Güngör

https://doi.org/10.19113/sdufenbed.499668

Cited By: 1

Öz

This
work has been synthesized according to literature methods for compounds of
calix[4]arene and calix[8]arene bearing 4-nitrobenzyloxy, 4-aminobenzyloxy and
3-aminopropyloxy groups. To view the ion transport properties of these
compounds liquid-liquid extraction studies were performed with metal cations (K⁺,
Na⁺, Cs⁺, Co²⁺, Cd²⁺, Ni²⁺,
Cu²⁺, Hg²⁺, ve Pb²⁺) and  chromate ions. Extraction studies have shown
that the amine group-containing calixarenes are large amounts in organic phase
transport from the aqueous phase due to higher interaction with the metals than
the nitro group-bearing calixarenes. In addition, it was observed that the 1 and 3 compounds carried Na₂Cr₂O₇ to a
large extent from the aqueous phase to the organic phase at low pH.

Anahtar Kelimeler

Calixarene, Toxic metal, Liquid-liquid extraction, Dichromate anions

Bazı Kaliks[4, 8]aren Türevlerinin Metal ve Kromat İyon Taşıma Özelliklerinin İncelenmesi

Öz

Bu
çalışmada 4-nitrobenziloksi,
4-aminobenziloksi ve 3-aminopropiloksi grupları taşıyan kaliks[4]aren ve kaliks[8]aren
bileşikleri literatür metotlara göre sentezlenmiştir. Bu bileşiklerin iyon
taşıma özelliklerini görmek için sıvı-sıvı ekstraksiyon çalışmaları metal
katyonları (K⁺, Na⁺, Cs⁺, Co²⁺, Cd²⁺,
Ni²⁺, Cu²⁺, Hg²⁺, ve Pb²⁺) ve
kromat iyonu ile yapılmıştır. Ekstraksiyon çalışmaları, amin grubu içeren
kaliksarenlerin, nitro grubu taşıyan kaliksarenlere göre metallerle daha yüksek
etkileşim yapmalarından dolayı sulu fazdan organik faza taşımasının daha fazla
olduğunu göstermiştir. Ayrıca 1 ve 3 bileşiklerin Na₂Cr₂O₇’i
düşük pH’larda büyük oranda sulu fazdan organik faza taşıdığı gözlenmiştir.

Anahtar Kelimeler

Kaliksaren, Toksik metal, Sıvı-sıvı ektraksiyon, Dikromat anyonu

Kaynakça

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