การตรวจวัดไกลโฟเสทอย่างจำเพาะเจาะจงด้วยเทคนิคการแทนที่อินดิเคเตอร์ ด้วยไอออนเชิงซ้อนชนิดโมโนนิวเคลียร์คอปเปอร์ (II) ร่วมกับ                                       อินดิเคเตอร์ไซลินอลออเรนจ์

Sarayut Watchasit; Chomchai   Suksai

Authors

Sarayut Watchasit Nuclear Magnetic Resonance Spectroscopic Laboratory, Science Innovation Facility, Faculty of Science, Burapha University
Chomchai Suksai Department of Chemistry and Center for Innovation in Chemistry, Faculty of Science, Burapha University

Keywords:

mononuclear copper(II) complex , glyphosate, xylenol orange indicator , indicator displacement assay

Abstract

In this research, the mononuclear copper(II) complex with imidazole derivative ligand CuL was synthesized and characterized by standard analytical techniques. The sensing abilities towards organophosphorous pesticide was investigated using the indicator displacement assay (IDAs) approach. The results indicated that the sensing ensemble [CuL:XO] could discriminate the glyphosate from other organophosphorous pesticide and common anions. The UV-visible spectrophotometry study confirmed that glyphosate bound to CuL in a 1:1 manner. The detection limit of glyphosate was 0.11 ppm.

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