A portable spectroscopic instrument for multiplexed monitoring of acute water toxicity: Design, testing, and evaluation

Amrita Banerjee, Soumendra Singh, Ria Ghosh, Md Nur Hasan, Arpan Bera, Lopamudra Roy, Neha Bhattacharya, Animesh Halder, Arpita Chattopadhyay, Subhadipta Mukhopadhyay, Amitava Das, Hatem M. Altass, Ziad Moussa, Saleh A. Ahmed, Samir Kumar Pal

Research output: Contribution to journalArticlepeer-review

Abstract

The deteriorating water environment worldwide, mainly due to population explosion and uncontrolled direct disposal of harmful industrial and farming wastes, earnestly demands new approaches and accurate technologies to monitor water quality before consumption overcoming the shortcomings of the current methodologies. A spectroscopic water quality monitoring and early-warning instrument for evaluating acute water toxicity are the need of the hour. In this study, we have developed a prototype capable of the quantification of dissolved organic matter, dissolved chemicals, and suspended particulate matter in trace amounts dissolved in the water. The prototype estimates the water quality of the samples by measuring the absorbance, fluorescence, and scattering of the impurities simultaneously. The performance of the instrument was evaluated by detecting common water pollutants such as Benzopyrene, Crystal Violet, and Titanium di-oxide. The limit of detection values was found to be 0.50, 23.9, and 23.2 ppb (0.29 μM), respectively.

Original languageEnglish
Article number115105
JournalReview of Scientific Instruments
Volume93
Issue number11
DOIs
Publication statusPublished - Nov 1 2022

ASJC Scopus subject areas

  • Instrumentation

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