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基于银纳米粒子 (AgNPs) 的选择性色度传感器用于检测尿样中的D-arabinitol

Yuni Retnaningtyas1, Siswandono Siswodihardjo2, Ari Satya Nugraha1

  • 1Faculty of Pharmacy University of Jember, Jember, Indonesia.

Turkish journal of chemistry
|August 25, 2023
PubMed
概括

D-arabinitol是一种Candida代谢物,可以通过将银离子减少到银纳米粒子 (AgNPs) 来量化. 这种新的方法提供了一种快速和选择性的方法,用于检测尿样中的D-arabinitol.

关键词:
D-阿拉比尼托尔的使用候选症候群 候选症候群颜值测量学是一种颜色测量学.减少 减少 减少 减少银纳米颗粒的使用方法

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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...