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Vibration spectroscopy is now being applied to a wide range of real-world problems at the cutting edge of materials sciences. Here we will present use of vibration spectroscopy in Metrology, Material and environmental sciences. This work focuses on technological importance of Raman spectroscopy which yields useful information on Biodiesel, Biochar, Anthropogenic carbon, Iron oxide. Inter-laboratory comparison of Bio-diesel were performed using Raman spectroscopy. Bio-diesel spectra were obtained with different laser lines (488nm, 514 nm and 785nm) in a range between 700 cm-1 and 3200 cm-1 and the principal component analysis (PCA) shows significant differences among them. In our day to day life we encounter many waste residues which are really challenging for our environment. These waste residues are being used to produced renewable material to save our environment. Biochar is being explored as soil amendment, carbon sequestration material, also for environmental application. Biochar were produced from major waste residues such as sewage sludge, food waste etc. Microscopic and spectroscopic characterization were performed to provide information on carbonized biomass in comparison to anthropogenic carbon and for surface properties and reactivity. Structural analysis of these sp2-hybridized carbon was performed using parametrized-PCA. We have also used vibrational spectroscopy for a more detailed characterization of the different phases and crystallinity of iron oxides present in mining waste. These results and observation will be presented in detail during conference.
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