FTIR (Fourier transform infra-red) Spectroscopy

Experimental evaluation on oxidation stability of biodiesel/diesel blends with alcohol addition by rancimat instrument and FTIR spectroscopy.

1. Muhammad Farhan Siddique Student ID: 700042442

2. Experimental evaluation on oxidation stability of biodiesel/diesel blends with alcohol addition by rancimat instrument and FTIR spectroscopy. Mohamed Shameer Peer, Ramesh Kasimani , Sakthivel Rajamohan and Purnachandran Ramakrishnan Department of Mechanical Engineering, Government College of Technology, Coimbatore 641013, India DOI:10.1007/s12206-016-1248-5

3. List of measurands Temperature Wavelength Electrical conductivity

4. FTIR (Fourier transform infra-red) Spectroscopy Introduction The FTIR is a non-destructive technique to identify organic and some inorganic molecular compounds present in the sample. Perkin Elmer spectrum 2

5. FTIR Spectrometer Components IR Source Inferometer Sample Detector Amplifier Data Acquisition Electronics Computer

6. Specification Operating Range: 5-45 °C Detector Type: DTGS (deuterated triglycine sulfate) Range: 8300 - 350 cm -1 Error: ± 10 cm -1

7. Calibration of the FTIR apparatus Calibration using mathematical equations Comparing with user manual results provided by developer

8. Results

9. Ir Chart

10. Rancimant Instrument Schematic Introduction The Rancimat technique is an accelerated aging test. Air is passing through the sample in the reaction vessel at a constant high temperature and fatty acids are oxidized in this process.

11. Specification Operating Range: 50-220 °C ± 0.1 °C Detector Type: 2 steel electrodes Electrical conductivity Range: 0 - 400 µS/cm ± 0.5 µS/cm Resolution: 0.1 µS/cm

12. Results

13. Thank you