Ethanol blended petrol has come up as an alternative fuel in recent years due to some environmental aspects. As ethanol is hygroscopic, moisture is trapped in underground stored ethanol blended petrol tank and phase separation occurs. Such petrol is not suitable for internal combustion engine. Petrol sample in similar context was received in FSL. After phase separation, each layer was analyzed separately. The present case study successfully shows the composition of alcohol and water in the petrol sample using correlation of different parameters such as density, distillation range, refractive index and gas chromatography.
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2022: 6.012
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