Non-invasive confirmation of the identity of tablets by near-infrared spectroscopy

被引:6
|
作者
Ulmschneider, M
Pénigault, E [1 ]
机构
[1] ENSCMu, CNRS, UMR 7525, Lab Photochim Gen, F-68093 Mulhouse, France
[2] F Hoffmann La Roche & Co Ltd, Pharmaceut Qual Control & Assurance, CH-4070 Basel, Switzerland
关键词
Fourier transform near-infrared spectroscopy; diffuse reflectance; transmittance; non-invasive tablets analysis; identity testing;
D O I
10.1051/analusis:2000124
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Calibration of non-invasive near-infrared (NIR) analysis for measurements in diffuse reflectance and transmittance was conducted to confirm the identity of different film-coated and uncoated tablets. NIR-spectra of both sides of the intact tablets were recorded in diffuse reflectance. The second derivation of the spectra was computed and spectral matching was calibrated. A restricted wavelength range was proposed to recognize the tablets independently of the presentation over the NIR-light beam. For transmittance measurement, the tablets were arranged in groups according to their similarities. All calibrations were tested against an independent set of sample spectra. The NIR-method proved to be fast and effective.
引用
收藏
页码:336 / 346
页数:11
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