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相关概念视频

Complexometric Titration: Overview00:39

Complexometric Titration: Overview

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Complexometric titration involves the formation of a complex by reacting a metal ion with one or more ligands. A visual indicator often detects the end point of a complexometric titration. It is added to the metal solution before the titration, forming a stable metal–indicator complex and imparting color to the solution. As the titration approaches the equivalence point, the excess of the added ligand displaces the indicator from the metal–indicator complex, releasing the free...
11.0K

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相关实验视频

Updated: May 5, 2026

Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks
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基于图像的机器学习使用喷墨印刷化学品:混合比率预测和金属离子检测.

Taichi Sano1, Yuki Terauchi1, Yuki Ide2

  • 1Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Kita 13, Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.

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概括
此摘要是机器生成的。

喷墨打印与机器学习 (ML) 结合,提供了一种快速,负担得起的方法来使用颜色预测混合比率. 这种多功能技术还可以在没有专门设备的情况下对金属离子进行敏感检测.

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科学领域:

  • 分析化学 分析化学
  • 材料科学 材料科学 材料科学
  • 机器学习 机器学习

背景情况:

  • 基于图像的机器学习 (ML) 需要大量的训练数据.
  • 化学分析的传统方法可能耗时且昂贵.

研究的目的:

  • 开发一种快速,低成本的方法,用于生成基于机器学习的混合物分析的训练图像.
  • 为了证明喷墨印刷和ML在化学传感中的多功能性.

主要方法:

  • 喷墨打印 π 结合的有机化合物,以创建训练图像.
  • 开发用于预测混合比率的ML模型.
  • 印刷表面的调整,以适应无色化合物.
  • 采用色度检测测方法对Zn2+离子进行空间映射的应用.

主要成果:

  • 在几个小时内实现了ML模型,平均绝对误差低于4%.
  • 成功分析了具有微妙颜色差异的染料.
  • 将该方法扩展到无色化合物,包括异构体和宏循环系统.
  • 在没有光谱仪的情况下,能够检测和空间绘制Zn2+离子的微微克级别.

结论:

  • 喷墨打印提供了一种简单而通用的策略,可以将 π 结合材料与 ML 集成在一起.
  • 这种方法显著加速了ML模型的发展,用于色度测量和混合物分析.
  • 该方法为各种化学传感应用提供了具有成本效益和可访问性的替代方案.