N-(diethylthiophosphoryl)-aza[18]crown-6: synthesis and ability of solvent extraction toward lead(II), zinc(II) and cadmium(II) metal cations

• Autorzy: Kozlowska J. , Miroshnichenko S.
• Języki publikacji: EN

Abstrakty

EN

This work presents the synthesis of a strongly hydrophobic, functionalized monaza crown ether, i.e., lariat ether, namely N-(diethylthiophosphoryl)-aza[18]crown-6 and its application as ion extractant in solvent extraction systems. The synthesis of thiophosphorylated aza[18]crown-6 was performed with good yield. Separation systems have been successfully developed to extract Pb(II), Cd(II) and Zn(II) into organic phase, i.e., chloroform with the crown ethers: aza[18]crown-6 and N-(diethylthiophosphoryl)-aza[18] crown-6 as extractants. The selectivity order in both crown ethers was Pb(II) >> Cd(II) > Zn(II). The obtained results suggest that N-(diethylthiophosphoryl)-aza[18]crown-6 can be used for the selective removal of Pb(II) at lower pH values than aza[18]crown-6.

Słowa kluczowe

EN

crown ethers; solvent extraction; lead(II); zinc(II); cadmium(II)

• Wydawca: Faculty of Chemical Technology and Engineering, University of Technology and Life Sciences, Bydgoszcz
• Czasopismo: Ars Separatoria Acta
• Rocznik: 2012/2013
• Tom: No. 9/10
• Strony: 7--14
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Kozlowska J.

• Institute of Chemistry, Environmental Protection, and Biotechnology Jan Dlugosz University of Czestochowa Armii Krajowej 13, 42-200 Czestochowa, Poland

autor

Miroshnichenko S.

• Institute of Organic Chemistry, NASU, Kiev, Ukraine

Bibliografia

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