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A comparative study was conducted to investigate the performance of several chemometric methods applied to the treatment of two-way kinetic-spectral data with the aim of resolving mixtures. The methods involved are non-linear least squares regression performed using the Powell algorithm, the linear and extended Kalman filter, and partial least squares regression. Both simulated and experimental...
A new method for peak purity control in liquid chromatography with diode array detection is proposed, based on both the concept of condition index evolving profiles (CIEPs) and singular value evolving profiles (SVEPs) and the technique of moving fixed-size window along the chromatographic retention time axis. The CIEPs and SVEPs are produced by singular value decomposition (SVD) on data matrices...
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