publication . Article . Other literature type . 2018

A Miniaturized Colorimeter with a Novel Design and High Precision for Photometric Detection

Yan, Jun-Chao; Chen, Yan; Pang, Yu; Slavik, Jan; Zhao, Yun-Fei; Wu, Xiao-Ming; Yang, Yi; Yang, Si-Fan; Ren, Tian-Ling;
Open Access
  • Published: 08 Mar 2018 Journal: Sensors, volume 18, page 818 (eissn: 1424-8220, Copyright policy)
  • Publisher: MDPI AG
Abstract
Water quality detection plays an increasingly important role in environmental protection. In this work, a novel colorimeter based on the Beer-Lambert law was designed for chemical element detection in water with high precision and miniaturized structure. As an example, the colorimeter can detect phosphorus, which was accomplished in this article to evaluate the performance. Simultaneously, a modified algorithm was applied to extend the linear measurable range. The colorimeter encompassed a near infrared laser source, a microflow cell based on microfluidic technology and a light-sensitive detector, then Micro-Electro-Mechanical System (MEMS) processing technology...
Subjects
free text keywords: Electrical and Electronic Engineering, Analytical Chemistry, Atomic and Molecular Physics, and Optics, Biochemistry, Engineering, business.industry, business, Beer–Lambert law, symbols.namesake, symbols, Colorimeter, Ascorbic acid, Detection limit, Standard solution, Detector, Ammonium molybdate, Color reaction, phosphorus detection, Beer-Lambert law, microflow cell, photodetection sensor, Chemical technology, TP1-1185, Article
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publication . Article . Other literature type . 2018

A Miniaturized Colorimeter with a Novel Design and High Precision for Photometric Detection

Yan, Jun-Chao; Chen, Yan; Pang, Yu; Slavik, Jan; Zhao, Yun-Fei; Wu, Xiao-Ming; Yang, Yi; Yang, Si-Fan; Ren, Tian-Ling;