Surface Plasmon Resonance Sensor to Detect n-Hexane in Palm Kernel Oil Using Polypyrrole Nanoparticles Reduced Graphene Oxide Layer

Palm kernel oil was extracted using n-hexane. Rotary evaporator and oven were used to remove n-hexane from the oil. Measurement of n-hexane in low concentration is significant and interest subject. In this study, the concentration of n-hexane was measured using the surface plasmon resonance techniqu...

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Bibliographic Details
Published in:Journal of sensors 2021-01, Vol.2021 (1)
Main Authors: Sadrolhosseini, Amir Reza, Habibiasr, Mina, Soleimani, Hassan, Hamidon, Mohd Nizar, Fen, Yap Wing, Lim, H. N.
Format: Article
Language:English
Subjects:
Atomic force microscopy
Biosensors
Chromatography
Electrodes
Evaporators
Experiments
Fatty acids
Fourier transforms
Gas chromatography
Gold
Graphene
Hazardous air pollutants
Hexanes
Isooctane
Kernels
Lasers
Nanocomposites
Nanoparticles
Polymerization
Polymers
Polypyrroles
Quantum dots
Sensors
Solvents
Surface plasmon resonance
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Summary:Palm kernel oil was extracted using n-hexane. Rotary evaporator and oven were used to remove n-hexane from the oil. Measurement of n-hexane in low concentration is significant and interest subject. In this study, the concentration of n-hexane was measured using the surface plasmon resonance technique. In order to improve the sensitivity of surface plasmon resonance sensor, the polypyrrole nanoparticles decorated reduced graphene oxide (sensing layer) was prepared using the electrodeposition technique on the surface of gold film. Different concentration of n-hexane in isooctane and the palm kernel oil before and after purification was tested using sensing layer. The sensor limit was about 1 ppm. The results were matched with the gas chromatography results. The thickness and roughness of sensing layer were increased after the interaction with n-hexane which was obtained from atomic force microscopy.
ISSN:1687-725X
1687-7268
DOI:10.1155/2021/8813801