DIDACTIC EXPERIMENT OF CHEMOMETRICS FOR PHARMACEUTICAL PELLETS MAPPING USING NEAR-INFRARED SPECTROSCOPY AND MULTIVARIATE CURVE RESOLUTION WITH ALTERNATING LEAST SQUARES: A TUTORIAL, PART IV

被引：5
作者：
Da-Col, Jose Augusto [1 ]
Cordeiro Dantas, Willian Francisco [1 ]
Poppi, Ronei Jesus [1 ]
机构：
[1] Univ Estadual Campinas, Inst Quim, Dept Quim Analit, CP 6154, BR-13084971 Campinas, SP, Brazil
来源：
QUIMICA NOVA | 2018年 / 41卷 / 03期
关键词：
NIR; chemical imaging; multivariate curve resolution; pharmaceutical pellets; teaching experiment; SOLID DOSAGE FORMS; PRINCIPAL COMPONENT ANALYSIS; IMAGING NIR-CI; MCR-ALS; TEACHING EXPERIMENT; TABLETS; CALIBRATION; QUANTIFICATION; SPHERONISATION; TRANSFORMATION;
D O I：
10.21577/0100-4042.20170149
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The aim of this manuscript is to present a didactic experiment based on the combination of Near Infrared chemical imaging and Multivariate Curve Resolution for beginners, undergraduate and graduate students. In this tutorial. using MATLAB environment, the instrumental signals will be separated into two matrices, of spectral profiles and relative concentrations in the samples. Then, chemical images were generated to identify and verify the distribution of the components in the pellet samples. Chemical imaging was obtained from the mapping of predetermined area and the results for relative concentrations obtained in the ALS optimization lor the analyzed area. This approach was successfully tested in chemistry undergraduate course at the Chemistry Institute of Campinas State University.
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收藏
页码：345 / 354
页数：10
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