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Updated: Jul 19, 2025

Detection of Regulated Ergot Alkaloids in Food Matrices by Liquid Chromatography-Trapped Ion Mobility Spectrometry-Time-of-Flight Mass Spectrometry
08:56

Detection of Regulated Ergot Alkaloids in Food Matrices by Liquid Chromatography-Trapped Ion Mobility Spectrometry-Time-of-Flight Mass Spectrometry

Published on: November 22, 2024

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在Eragrostis tef (Zucc.) 中检测出伪造物. 使用EDXRF和ComDim-MLR数据聚变的Trotter粉

Patricia Casarin1, Luana Dalagrana Dos Santos1, Franciele Leila Giopato Viell1

  • 1Post-Graduation Program of Food Technology (PPGTA), Federal University of Technology Paraná (UTFPR) - Paraná - Brazil.

Analytica chimica acta
|August 12, 2023
PubMed
概括

能量分散式X射线光光谱 (EDXRF) 能够有效地检测无质特夫面粉中的改. 这种方法与共同维度分析 (ComDim) 相结合,可以准确量化特夫面粉中的大米和小麦等污染物.

关键词:
食品欺诈行为 食品欺诈行为没有质的谷物.矿物质形状的矿物质形状.多个区块分析.多重线性回归的多重线性回归.

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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...
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