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Analysis of Absorbance for Tinted Dye Absorbed into Tinted Lenses by Spectrophotometric Method

분광광도법에 의한 칼라 렌즈 내 염색제에 대한 흡광도 분석

  • Choi, Eun-Jung (Department of Ophthalmic Optics, Konyang University) ;
  • Jung, Ju-Hyun (Department of Ophthalmic Optics, Konyang University)
  • Published : 2009.12.20

Abstract

We studied absorbance of tinted dye absorbed into tinted lenses by Spectrophotometric method. Used lenses and tinted dye were CR-39 plastic optical lenses and Ons & $Lavas^{(R)}$ Blue, respectively. Absorbance values of tinted dye absorbed into tinted lenses were obtained from the differences of absorbance values between tinted lenses and CR-30 lenses. Average concentrations of tinted dye absorbed into tinted lenses were obtained from the mass differences between tinted lenses and CR-30 lenses. The relationship between absorbance and average concentration for tinted dye absorbed into tinted lenses was also confirmed to follow Beer’s law. The absorption coefficient calculated from the tangent of the calibration curve was determined to be a=0.983 $Lg^{-1}cm^{-1}$.

Keywords

Tinted dye;Tinted lens;Absorbance;Absorption coefficient;Spectrophotometry

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