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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 7, Special Issue 1 (2018)

Mobile application for fast and accurate pH prediction

Author(s):

Saurav Kumar, Sankho Turjo Sarkar, Ritesh Kumar, Anupma Sharma and Amol P Bhondekar

Abstract:
Purity of common liquids, such as drinks are important for public safety and reliability. Measurement of the pH of a liquid helps in identifying its purity. Precise measurement of pH requires use of instruments, such as electrode based pH meters, or colorimetry based devices. Without such devices, people need to fall back to visual estimation of pH with the help of pH strips, which are generally available, but suffer from subjectivity and visual ability of the individual. Hence, to facilitate easy pH measurement we have developed a colorimetry based app that can execute on Android smartphones. Based on photo captures from several mobile phones, a mathematical model is prepared, relating captured colour and pH of test sample. To reduce the effect of ambient light, the colorimetric observation is made in reference to an unaffected region of the ph strip. The overall model is ported into an Android app, thus allowing instant pH measurement. This app would find use in laboratories for educational and research purposes as well as for consumers to estimate water quality and adulteration in beverages

Pages: 1875-1877  |  1087 Views  199 Downloads

How to cite this article:
Saurav Kumar, Sankho Turjo Sarkar, Ritesh Kumar, Anupma Sharma and Amol P Bhondekar. Mobile application for fast and accurate pH prediction. J Pharmacogn Phytochem 2018;7(1S):1875-1877.

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