Compensation of near-infrared spectra for sample temperature variations
Date
1996
Authors
Bellman, Teri Lynn
Major Professor
Advisor
Hurburgh, Charles R.
Committee Member
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Abstract
Whole grain near-infrared spectroscopy (NIRS) is a recent advance of near-infrared technology that can be used to simultaneously measure the percentage of chemical constituents (e.g. moisture, protein, oil, starch and fiber) in unground grains. The major benefit for using NIRS is that it is non-destructive, deleting the time-consuming sample preparation and wet chemistry analysis. This feature makes NIRS attractive to a wide group of users; while offering the benefits of convenience, speed and cost. The objectives of this research were: 1. To collect detailed data on changes in NIRS spectral properties over temperatures and: 2. To develop a mathematical model for adjusting near-infrared spectral data in response to temperature variations.
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thesis