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Published:
Dec 31, 2020Keywords:
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Main Article Content
VARIATION IN REFLECTANCE, ABSORBANCE AND TRANSMITTANCE OF Beta vulgaris (BEETROOT) EXTRACT AT ULTRAVIOLET, VISIBLE AND NEAR INFRARED WAVELENGTHS OF SOLAR RADIATION
Abstract
Variation in the behaviour of the optical properties of Beetroot extract was investigated. The solvent extraction
method was adopted in the extraction process and the optical properties of the extract determined using UV- Vis –
NIR absorption spectrum at the range 172nm ≤ wavelength ≤ i1100nm. The ranges of the ultraviolet, visible, and
infrared regions considered include: i172nm ≤ wavelength ≤ i349nm, i350nm ≤ wavelength ≤ i700nm, and
i701nm ≤ wavelength ≤ i1100nm respectively. Results show that the absorption coefficient and transmittance
suggests a polynomial regression model. Also, there is a high negative correlation between the absorbance and the
transmittance in the visible region, the findings show that beetroot extract is a suitable sensitizer in the bioelectricity
application.
