Orthogonal Projection Approach Applied to Peak Purity Assessment

1996 ◽  
Vol 68 (1) ◽  
pp. 79-85 ◽  
Author(s):  
F. Cuesta Sánchez ◽  
J. Toft ◽  
B. van den Bogaert ◽  
D. L. Massart

1997 ◽  
Vol 30 (2) ◽  
pp. 395-416 ◽  
Author(s):  
Yu-Long Xie ◽  
John H. Kalivas


2003 ◽  
Vol 57 (1) ◽  
pp. 80-87 ◽  
Author(s):  
S. Gourvénec ◽  
C. Lamotte ◽  
P. Pestiaux ◽  
D. L. Massart

The orthogonal projection approach (OPA) and multivariate curve resolution (MCR) are presented as a way to monitor batch processes using spectroscopic data. Curve resolution allows one to look within a batch and predict on-line real concentration profiles of the different species appearing during reactions. Taking into account the variations of the process by using an augmented matrix of complete batches, the procedure explained here calculates some prediction coefficients that can afterwards be applied for a new batch.









2000 ◽  
Vol 411 (1-2) ◽  
pp. 145-155 ◽  
Author(s):  
A. Garrido Frenich ◽  
M. Martı́nez Galera ◽  
J.L. Martı́nez Vidal ◽  
D.L. Massart ◽  
J.R. Torres-Lapasió ◽  
...  


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