Pirazin Sübstitüe Kaliks[4]arenin Bazı Toksik Metal ve Oksianyon Ekstraksiyon Özelliklerinin İncelenmesi

Yıl 2019, Cilt: 8 Sayı: 3, 787 - 794, 30.09.2019

Ömer Güngör

https://doi.org/10.17798/bitlisfen.529992

Öz

Bu çalışmada, kaliks[4]arenin pirazin karbonil türevi
(3) sentezlenmiş ve yapısı
spektroskopik yöntemler ile karakterize edilmiştir. Ayrıca, bu bileşik büyük
çevresel problemlere sebep olan toksik özelliğe sahip metaller (Na⁺,
Cs⁺, Co²⁺, Ni²⁺, Cu²⁺, Cd²⁺,
Pb²⁺ ve Hg²⁺) ve oksianyonların’ın (kromat ve arsenat)
sıvı-sıvı ekstraksiyon çalışmaların da kullanılmıştır. Ekstraksiyon sonuçlarına
göre düşük pH larda kromat (pH=1,5) ve arsenat (pH=3,5) anyonlarının yüksek
oranda sulu fazdan organik faza taşındığı görülmüştür. Kaliksaren türevi (3) ile oksianyonlar arasında ki
kompleks oranı job’s plot analiz yöntemi ile 1:1 olduğu tespit edilmiştir. Ayrıca
Bileşik 3, çalışılan toksik
metalleri ise yüksek oranda sulu fazdan organik faza taşımıştır. 

Anahtar Kelimeler

Kaliksaren, Kromat, Arsenat, Sıvı-sıvı Ekstraksiyon, Toksik Metal

Kaynakça

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