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Updated: Jul 26, 2025

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一种色度化学传感器,用于敏感和选择性检测铜II) 离子,其基因是1-纳thylamine的催化氧化

Rui Cai1,2, Chaudhary Ammar Shoukat1,2, Chenqi Zhang1,2

  • 1CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China. jiyl@nanoctr.cn.

The Analyst
|June 19, 2023
PubMed
概括

本研究介绍了一种用于检测水和食品中的铜 (II) 离子 (Cu2+) 的新色度传感器. 该传感器提供灵敏和选择性检测,克服了传统色度测量方法的局限性.

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相关概念视频

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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