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Measurements of urea and glucose in aqueous solutions with dual-beam near-infrared Fourier transform spectroscopy

Snoer Jensen, Peter LU and Bak, Jimmy (2002) In Applied Spectroscopy 56(12). p.1593-1599
Abstract
This study investigates the use of a dual-beam, optical null, FT-IR spectrometer to measure trace organic components in aqueous solutions in the combination band region 5000-4000 cm(-1). The spectrometer may be used for both single- and dual-beam measurements, thereby facilitating comparison of these two modes of operation. The concentrations of aqueous solutions of urea and glucose in the ranges 0-40 mg/dL and 0-250 mg/dL, respectively, were determined by principal component regression using both modes. The dual-beam technique eliminated instrumental variations present in the single-beam measurements that must be taken into account when quantifying trace components from single-beam spectra. The data obtained with the dual-beam technique... (More)
This study investigates the use of a dual-beam, optical null, FT-IR spectrometer to measure trace organic components in aqueous solutions in the combination band region 5000-4000 cm(-1). The spectrometer may be used for both single- and dual-beam measurements, thereby facilitating comparison of these two modes of operation. The concentrations of aqueous solutions of urea and glucose in the ranges 0-40 mg/dL and 0-250 mg/dL, respectively, were determined by principal component regression using both modes. The dual-beam technique eliminated instrumental variations present in the single-beam measurements that must be taken into account when quantifying trace components from single-beam spectra. The data obtained with the dual-beam technique resulted in more stable calibration models based on principal component regression. These calibration models need fewer factors and yield lower prediction errors than those based on traditional single-beam data. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
optical null, dual-beam, near-infrared, FT-IR, glucose, urea, aqueous solutions, optical subtraction
in
Applied Spectroscopy
volume
56
issue
12
pages
1593 - 1599
publisher
Society for Applied Spectroscopy
external identifiers
  • wos:000180011700014
  • scopus:0036969172
ISSN
1943-3530
DOI
10.1366/000370202321115869
language
English
LU publication?
yes
id
f2f751d0-42f0-4a2a-8fc6-3e0d437bb6c2 (old id 321141)
date added to LUP
2007-11-02 13:59:21
date last changed
2017-01-01 04:38:29
@article{f2f751d0-42f0-4a2a-8fc6-3e0d437bb6c2,
  abstract     = {This study investigates the use of a dual-beam, optical null, FT-IR spectrometer to measure trace organic components in aqueous solutions in the combination band region 5000-4000 cm(-1). The spectrometer may be used for both single- and dual-beam measurements, thereby facilitating comparison of these two modes of operation. The concentrations of aqueous solutions of urea and glucose in the ranges 0-40 mg/dL and 0-250 mg/dL, respectively, were determined by principal component regression using both modes. The dual-beam technique eliminated instrumental variations present in the single-beam measurements that must be taken into account when quantifying trace components from single-beam spectra. The data obtained with the dual-beam technique resulted in more stable calibration models based on principal component regression. These calibration models need fewer factors and yield lower prediction errors than those based on traditional single-beam data.},
  author       = {Snoer Jensen, Peter and Bak, Jimmy},
  issn         = {1943-3530},
  keyword      = {optical null,dual-beam,near-infrared,FT-IR,glucose,urea,aqueous solutions,optical subtraction},
  language     = {eng},
  number       = {12},
  pages        = {1593--1599},
  publisher    = {Society for Applied Spectroscopy},
  series       = {Applied Spectroscopy},
  title        = {Measurements of urea and glucose in aqueous solutions with dual-beam near-infrared Fourier transform spectroscopy},
  url          = {http://dx.doi.org/10.1366/000370202321115869},
  volume       = {56},
  year         = {2002},
}