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使用金属-甲基醇染料色度测试的便携式草甘检测,与新的智能手机检测平台相结合

Pascal Stopper1, Marcel Konrad1, Nina Grottke1

  • 1Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
|February 19, 2026
PubMed
概括

开发了使用色度测量探针进行简单且具有成本效益的草甘测定. 一个基于智能手机的新型系统提供了用户友好的,现场准备的低极限检测,与UV-Vis光谱法相提并论.

关键词:
在Catechol染料中,Catechol是一种染料.杀草剂是一种除草剂.图像校准 图像校准 图像校准皮洛卡泰科尔紫色是一种紫色.稳定常量是指稳定常量.合金是合金中的一种.

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Effects of EDTA on End-Point Detection Methods01:18

Effects of EDTA on End-Point Detection Methods

Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...