Determination of Major Minerals in Claystone and Clay Slates Using Infrared Spectoscopy and Chemometric Analysis
Department of Analytical Chemistry and Materials Testing, Technical University, Ostrava
The title objective of this work was achieved using diffuse reflectance IR spectrometry. Chemometric calibration models were used for the determination of chlorite, muscovite, albite and quartz. Principal component analysis (PCA) and partial least-squares (PLS) regression were used in chemometry at 40002750 cm1 and 1300400 cm1. The models were formed by PLS regression. The mean relative error up to 30 % was found for most controls. With the exception of two samples, the relative standard deviation up to 5 % was achieved.
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