Assessment of nano-functionalized cellulosic paper for selective estimation of Cr (VI) using diffuse reflectance spectroscopy

Contamination by hexavalent chromium [Cr (VI)] poses a threat to groundwater quality and its detection at point source is essential to provide early mitigating solutions. In this work, we report the fabrication of paper-based sensing system embedded with a novel nano-chromogenic complex having spher...

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Veröffentlicht in:	Environmental pollutants & bioavailability 2023-12, Vol.35 (1)
Hauptverfasser:	Wankar, Shashwati, Alset, Utkarsh, Gumathannavar, Rutuja, K, Nandhini, Kumbhojkar, Neelesh, Kulkarni, Atul
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Analytical methods Carcinogens Chromium Color Contamination Detection Diphenylcarbazide Drinking water Dyes Fabrication functionalized paper Gold Groundwater Groundwater quality Heavy metal ion Heavy metals Hexavalent chromium Machine learning Nanocomposites Nanomaterials Nanoparticles optical fiber device Optical fibers Optical fibres Pollutants Portable equipment Prediction models predictive modelling Quantum dots Reagents Reflectance Remote monitoring Remote sensing RGB analysis Sensors Smartphones Spectroscopy Toxicity VOCs Volatile organic compounds Water pollution Water quality
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Zusammenfassung:	Contamination by hexavalent chromium [Cr (VI)] poses a threat to groundwater quality and its detection at point source is essential to provide early mitigating solutions. In this work, we report the fabrication of paper-based sensing system embedded with a novel nano-chromogenic complex having spherical gold nanoparticles modified with 1,5-diphenylcarbazide dye. This A u- D PC F unctionalized paper strip develops pink color in
ISSN:	2639-5932 2639-5940
DOI:	10.1080/26395940.2023.2215944