Chemometric analyses

Schure (1999) has studied the effect of multidimensional dilution for column-based separations that incorporate chromatography, capillary electrophoresis (CE), and FFF. In all of these cases, the dilution factors are multiplicative this gives the direct result that the limit of detection for MDC is 

The dilution volume will vary with efficiency (i.e., the number of plates N) and the retention volume, VR, for a single column as 

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P.J. Dunlop, C.M. Bignell, J.F. Jackson, D.B. Hibbert, Chemometric analysis of gas chromatographic data of oils from Eucalyptus species. Chemom. Intell. Lab. Systems 30 (1995) 59-67. K. Varmuza, F. Stangl, H. Lohninger and W. Werther, Automatic recognition of substance classes from data obtained by gas chromatography, mass spectrometry. Lab. Automation Inf. Manage., 31 (1996) 221-224. 

Beretta, G., Caneva, E., Regazzoni, L., Bakhtyari, N. G., and Facino, R. M. (2008). A solid-phase extraction procedure coupled to H-NMR, with chemometric analysis, to seek reliable markers of the botanical origin of honey. Anal. Chim. Acta 620,176-182. 

COlfen H (2007) Bio-inspired Mineralization Using Hydrophilic Polymers. 271 1-77 Collin J-P, Heitz V, Sauvage J-P (2005) Transition-Metal-Complexed Catenanes and Rotax-anes in Motion Towards Molecular Machines. 262 29-62 Collins BE, Wright AT, Anslyn EV (2007) Combining Molecular Recognition, Optical Detection, and Chemometric Analysis. 277 181-218 Collyer SD, see Davis F (2005) 255 97-124 Commeyras A, see Pascal R (2005) 259 69-122 Coquerel G (2007) Preferential Crystallization. 269 1-51 Correia JDG, see Santos I (2005) 252 45-84 Costanzo G, see Saladino R (2005) 259 29-68 Cotarca L, see Zonta C (2007) 275 131-161 Credi A, see Balzani V (2005) 262 1-27 Crestini C, see Saladino R (2005) 259 29-68... 

Pierce, K.M., Wood, L.F., Wright, B.M., Synovec, R.E. (2005). A comprehensive two-dimensional retention time alignment algorithm to enhance chemometric analysis of comprehensive two-dimensional separation data. Anal. Chem. 77, 7735-7743. 

Sinha, A.E., Fraga, C.G., Prazen, B.J., Synovec, R.E. (2004b). Trilinear chemometric analysis of two-dimensional comprehensive gas chromatography-time-of-fhght mass spectrometry data. J. Chromatogr. A 1027, 269-277. 

Chemometric Analysis and Mapping of Environmental Pollution Sources in the Ebro River Basin... 

Chemometric Analysis of Pesticides Pollution in the Ebro River Delta During the Rice-... 

Before applying chemometric analysis to data, environmental data tables need a previous arrangement, which is often a very laborious part of the whole data analysis. Data disposal entails different processes such as data arrangement, homogenization, and data transformation which, in each case, depend on the format in which data have been initially obtained, their volume, etc. 

A chemometric analysis of historical data available from the CHE, which is the organization in charge of the management of the Ebro River basin, has been performed using PC A. Data covering different years since 1992 for water, sediments (SEs), and fish have been investigated. 

Other papers in the series Chemometrical Analysis of Substituent Effects are on additivity of substituent effects in dissociation of 3,4-178 or 3,5-179disubstituted benzoic acids in organic solvents and on the ort/zo-effect180. In the last-mentioned, data for the dissociation of ortto-substituted benzoic acids in 23 solvents are combined with data on the reactions with DDM (Section IV.C) and with other rate and equilibrium data bearing on the behaviour of o/t/ o-substituents to form a matrix involving data for 69 processes and 29 substituents. 

Prazen, B.J. Brackner, C.A. Synovec, R.E. Kowalski, B.R. Enhanced Chemical Analysis Using Parallel Column Gas Chromatography With Single-Detector TOF-MS and Chemometric Analysis. Anal. Chem. 1999, 71,1093-1099. 

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