Surface Area measurement of Carbon Nanomaterials obtained from Castor oil
Keywords:
Castor Oil, Surface Area, Carbon Nanomaterial.Abstract
This document Carbon nanomaterials (CNM's) synthesized from castor oil by direct pyrolysis at 750°C in an inert atmosphere. CNMs was then characterized by (XRD) X-ray diffraction, SEM (Scanning Electron Microscope) and FTIR (Fourier Transform Infra-Red Spectroscopy)The specific surface area measurement of CNMs was done by using adsorption of methylene blue dye(MB). In this method a fixed concentration of aqueous methylene blue solution was allowed to adsorb on fixed quantity of carbon nanomaterial. The amount of adsorbed methylene blue dye was determined by UV spectrophotometer. It was found that the concentration of adsorbed methylene blue corresponds to the surface area of test sample. The surface area of CNM was found to be 32m2/g. The obtained data was correlated with that of BET surface area measurement and found to be comparable.
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