A new thiourea compound as potential ionophore for metal ion sensor

Fatimatul Akma Awang Ngah, Emma Izzati Zakariah, Imran Fakhar, Nurul Izzaty Hassan, Yook Heng Lee, Bohari Mohd. Yamin, Siti Aishah Hasbullah

Research output: Contribution to journalArticle

Abstract

A new thiourea compound, 2,2-oxybis(ethyl)-4-(1-naphthyl)-3-thiourea 3 has been synthesized and characterized by using FTIR,1H-NMR,13C-NMR, and MS spectroscopy. The binding properties with various cations were also carried out using ‘naked eye’, UV-vis and1H-NMR titration experiments. This compound exhibited effective binding for Hg2+ in the presence of other cations, such as Ag+, Ni2+, Sn2+, Zn2+, Fe2+, Cu2+, and Pb2+. Continuous variation titration experiments were conducted in order to determine the binding behavior for Hg2+. Stoichiometry of the host and guest binding interactions were also determined using continuous variation titration experiments and plotting molar-ratio curves. Pearson Product moment method was employed to calculate the correlation coefficient, and non-linear regression equation was used to calculate dissociation constant Kd. Molar-ratio and binding constant data substantiated the presence of binding sites for the compound 3.

Original languageEnglish
Pages (from-to)116-120
Number of pages5
JournalIndonesian Journal of Chemistry
Volume18
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018

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Thiourea
Ionophores
Titration
Metal ions
Nuclear magnetic resonance
Cations
Sensors
Experiments
Method of moments
Stoichiometry
Binding Sites
Spectroscopy

Keywords

  • Ionophore
  • Mercury
  • Sensor
  • Thiourea

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

A new thiourea compound as potential ionophore for metal ion sensor. / Ngah, Fatimatul Akma Awang; Zakariah, Emma Izzati; Fakhar, Imran; Hassan, Nurul Izzaty; Lee, Yook Heng; Mohd. Yamin, Bohari; Hasbullah, Siti Aishah.

In: Indonesian Journal of Chemistry, Vol. 18, No. 1, 01.01.2018, p. 116-120.

Research output: Contribution to journalArticle

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