ombining visual sensing and electrochemical quantitative examination for portable detection of copper ions
Summary The technology combines specific visual recognition and electrochemical quantitative detection in a single portable device, providing instant and convenient copper ion detection. The sensing sensitivity has reached the standards of Taiwan and the United States for heavy metal detection for food, human body, and environments. In use, this portable and user-friendly interface device not only makes it simple to report back to the EPA database for water quality analysis, but also it can be utilized for real-time detection from youngsters to the elderly.
This technology creates an integrated device for instant visual identification detection and differential pulse voltammetry quantitative analysis, providing a simple, rapid, and accurate detection of copper ions. The involved technological breakthroughs are listed below:
1. It possesses high specificity and color contrast for visually recognizing the copper-ion concentration (0.64~6.4 mg/L in use).
2. It allows the portable electrochemical quantitative comparison, which can reach both domestic and foreign standards of human, food and environmental sensing (~0.03 mg/L) in 1-3 minutes.
We develop the portable detection device by integrating the optical and electrochemical analysis, which solves the limitations arising from pre-processing of water detection and difficulties of numerical conversion and quantification in the existing methods. The period required from detection and analysis is greatly reduced within 1-3 minutes. Compared with traditional spectral or energy related analysis, our established portable devices possess the advantages of conveniency, accurate and real-time analysis, and friendly interface for utilization.
Technical Film
Keyword Electrical appliances building Energy saving battery Energy development
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