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- W4308045240 abstract "Blending a cleaner, less expensive fuel like ethanol to petrol is a low-hanging fruit to address fuel crisis. However, blending bioethanol beyond the permissible limit can eventually corrode engine parts and cause fuel tank swelling. As a result, ensuring the quality of fuel blends is a critical step for consumers. We propose an inexpensive method for the precise quantification of fuel blend composition using a probing technique that exploits the structural switching and consequent change in transition probability of the probe molecule in polar and non-polar media. The UV-visible absorption spectrum of the probe is capable of exhibiting a hyperchromic shift with increasing ethanol composition in the blend. Two calibration models have been constructed based on the data - the hyperchromic shift-based model yielded excellent analytical figures of merit with LOD, LOQ and RMSEP values of 0.02,0.08 and 0.23%, respectively. Calibration using ratiometric analysis showed LOD, LOQ and RMSEP values of 0.01, 0.04 and 0.13%, respectively. The approach provided a simpler and sample-independent method that can be easily integrated into a LED-spectrophotometer for commercial and in-situ applications. A novel, biodegradable- hydrogel based probe delivery is illustrated and optimized. An analysis of real samples has been carried out using our method and the results discussed." @default.
- W4308045240 created "2022-11-07" @default.
- W4308045240 creator A5020022837 @default.
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- W4308045240 date "2022-12-01" @default.
- W4308045240 modified "2023-10-18" @default.
- W4308045240 title "Probe-based spectrophotometric quantification of petrol-ethanol fuel blends for field-able applications" @default.
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- W4308045240 doi "https://doi.org/10.1016/j.greeac.2022.100043" @default.
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