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Vol. 31 No. 3 (2019): Vol 31 Issue 3

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A 4-(1H-Benzo[d]oxazole-2-yl)-2-methoxyphenol as Dual Selective Sensor for Cyanide Ion Detection

https://doi.org/10.14233/ajchem.2019.21679
R. Rahmawati
Study Program of Chemistry, Department of Education of Mathematics and Natural Sciences, University of Mataram, Jalan Majapahit 62, Mataram, Indonesia; Department of Chemistry, Universitas Gadjah Mada, Jalan Kaliurang Sekip Utara Bulaksumur 21, Yogyakarta, Indonesia
B. Purwono
Department of Chemistry, Universitas Gadjah Mada, Jalan Kaliurang Sekip Utara Bulaksumur 21, Yogyakarta, Indonesia
S. Hadisaputra
Study Program of Chemistry, Department of Education of Mathematics and Natural Sciences, University of Mataram, Jalan Majapahit 62, Mataram, Indonesia

Corresponding Author(s) : R. Rahmawati

rahmawati_kimia@unram.ac.id; tqomari31@gmail.com

Asian Journal of Chemistry, Vol. 31 No. 3 (2019): Vol 31 Issue 3

Abstract

A dual sensor based on benzoxazole containing moiety S3 was successfully synthesized and applied for detection of CN− ion. The S3 molecule changed its colour for dark brown to dark green on addition of the CN− ion only in DMSO solvent. The limit of detection (LOD) and association constant (Kass) values was 0.4 × 10−6 M and 1.0 × 107 M−1; and 0.46 × 10−4 M and 1.0 × 105 M−1 determined by UV-visible spectroscopic titration and fluorescence titration, respectively.

Keywords

Dual selective sensor Benzoxazole Cyanide ion
Rahmawati, R., Purwono, B., & Hadisaputra, S. (2019). A 4-(1H-Benzo[d]oxazole-2-yl)-2-methoxyphenol as Dual Selective Sensor for Cyanide Ion Detection. Asian Journal of Chemistry, 31(3), 555–558. https://doi.org/10.14233/ajchem.2019.21679
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