Issue 38, 2021

Detection of glyphosate with a copper(ii)-pyrocatechol violet based GlyPKit

Abstract

This paper describes the development of a test kit for the selective detection of glyphosate (GlyP). A copper(II)-pyrocatechol violet complex was selected by a screening approach from a pool of 96 combinations of metal ions and commercially available indicators and subsequently incorporated as a detection zone into a hydrophobic C18 solid support. With this kit, detection of 20 μM GlyP in tap water by the “naked eye” is possible and quantifications by smartphone analysis with a limit of detection as low as 2.66 μM (450 μg L−1) have been demonstrated in a proof-of-principle study.

Graphical abstract: Detection of glyphosate with a copper(ii)-pyrocatechol violet based GlyPKit

Supplementary files

Article information

Article type
Paper
Submitted
08 Jul 2021
Accepted
04 Sep 2021
First published
06 Sep 2021
This article is Open Access
Creative Commons BY-NC license

Anal. Methods, 2021,13, 4354-4360

Detection of glyphosate with a copper(II)-pyrocatechol violet based GlyPKit

P. Yadav and F. Zelder, Anal. Methods, 2021, 13, 4354 DOI: 10.1039/D1AY01168E

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