International Journal For Multidisciplinary Research

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Betanin-driven Multimodal Sensor Platform for Qualitative and Quantitative Detection of Petrol Adulteration

Author(s) Ms. Raina . Bhatia, Ms. Khushi . Raza, Dr. Neha . .
Country India
Abstract Fuel adulteration, particularly with kerosene, remains a significant concern affecting engine performance, air quality, and regulatory compliance. In this study, we report the development of a multi-technique analytical platform utilizing betanin, a naturally occurring pigment, for the detection of kerosene adulteration in petrol. A 0.1% betanin solution was prepared and applied to evaluate visual colorimetric changes in adulterated fuel samples at varying kerosene concentrations (5%, 10%, 20%). The detection system employed four analytical approaches: colorimetric analysis, UV-Visible spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy, and thin-layer chromatography (TLC) on betanin-coated plates. Colorimetric changes were recorded over 24 hours, showing progressive fading correlated with kerosene content. Spectrophotometric analysis demonstrated a measurable decline in absorbance at 538 nm with increasing adulteration, while FTIR confirmed alterations in functional groups, particularly alcohol- and hydrocarbon-related peaks. TLC analysis revealed increasing spot size with higher kerosene levels, indicating effective chromatographic separation. This integrated method proves that betanin can serve as a sensitive, eco-friendly, and low-cost probe for fuel adulteration detection, suitable for both laboratory validation and potential field deployment.
Keywords Petrol adulteration, Betanin, Colorimetric sensor, Kerosene detection, Natural dye probe
Field Chemistry > Petroleum
Published In Volume 7, Issue 4, July-August 2025
Published On 2025-07-13
DOI https://doi.org/10.36948/ijfmr.2025.v07i04.50942
Short DOI https://doi.org/g9s9qt
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