New Schiff Base-Linked Arylazopyrazoles as Reagents for the Photometric Detection of Fluoride Ions

被引：2

作者：

Kumar, Manish ^{[1
]}

Agarkar, Harshawardhan ^{[2
]}

Degani, Mariam S. ^{[1
]}

机构：

[1] Inst Chem Technol, Dept Pharmaceut Sci & Technol, Nathalal Parekh Marg, Mumbai 400019, Maharashtra, India

[2] Inst Chem Technol, Dept Chem, Nathalal Parekh Marg, Mumbai 400019, Maharashtra, India

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2023年 / 78卷 / 07期

关键词：

arylazopyrazole; fluoride ion; sensing; UV-visible; Schiff base; color change; H-1 NMR titration; SELECTIVE RECOGNITION; FLUORESCENT-PROBE; ANION; CHEMOSENSOR; SENSOR; MOLECULES; EFFICIENT; REDOX; COLOR;

D O I：

10.1134/S1061934823070109

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel class of reagents (L1-3) containing arylazopyrazole moiety linked to a Schiff base have been synthesized and investigated for anion sensing applications. All three compounds exhibited excellent sensitivity and selectivity toward selective colorimetric detection of F- in dimethyl sulfoxide. F- sensing mechanisms have been explored by various spectroscopic techniques, viz., H-1 NMR, IR, UV-visible, and fluorescence spectroscopy. A clear qualitative and quantitative detection of F- was possible with specificity and good sensitivity with L2 giving optimum results. The LOD value of L2 toward F- was found to be 7 & mu;M. These reagents were applied for fluoride detection in commercial toothpaste as well.

引用

页码：866 / 877

页数：12

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