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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 3
BKCSDE 32(3)
March 20, 2011

Title	Feasibility Study for the Monitoring of Urea in Dialysate Solution using Raman Spectroscopy
Author	Jaejin Kim, Jinyoung Hwang, Yongdan Kim, Hoeil Chung *
Keywords	Urea, Hemodialysis, Intensity correction, Copper reflector, Raman spectroscopy
Abstract	We have determined the urea concentration in an aqueous solution using Raman spectroscopy by incorporating a Teflon tube as an effective intensity correction standard as well as sample container. A non-overlapping Teflon band was used as the reference peak to correct Raman intensity variations that occasionally resulted from changes in laser power. To increase the sensitivity, we positioned a copper reflector inside the Teflon tube to maximize the collection of Raman scattering. The obtained accuracy using Raman spectroscopy was 0.53 mM, close to the range of accuracy of previous NIR studies (0.15-0.52 mM).
Page	805 - 808
Full Text	PDF

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