使用具有两个结合位点的比西奥芬传感器对酸盐和酸盐离子进行色度差异化:DFT研究和在食品和水样中的应用

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Updated: Jun 21, 2025

Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid
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Vibrational Spectra of a N719-Chromophore/Titania Interface from Empirical-Potential Molecular-Dynamics Simulation, Solvated by a Room Temperature Ionic Liquid

Published on: January 25, 2020

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Nagaraj K1,2, A Nityananda Shetty1, Darshak R Trivedi2

  • 1Department of Chemistry, Material Science Laboratory, National Institute of Technology Karnataka (NITK) Surathkal, Srinivasnagar 575 025, Karnataka, India.

Analytical methods : advancing methods and applications
|July 8, 2024
PubMed
概括

一种新型的化学传感器N7R1有效地使用明显的颜色变化来区分有毒酸和酸盐. 这个传感器显示了在水,蜂蜜和牛奶等现实世界样本中检测矿的高潜力.

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Precipitation Titration: Endpoint Detection Methods01:19

Precipitation Titration: Endpoint Detection Methods

In argentometric precipitation titrations, endpoints can be detected visually by the Mohr, Volhard, and Fajans methods. In the Mohr method, adding a soluble chromate indicator gives an initial yellow color to the analyte solution. As the titrant is added, the first excess of silver ions forms a red silver chromate precipitate, marking the endpoint. The solution pH should be maintained at about 8 by adding solid CaCO3.
In the Volhard method, a standard excess of AgNO3 is first added to the...
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