MCR-ALS for sequential estimation of FTIR-ATR spectra to resolve a curing process using global phase angle convergence criterion

Analytica Chimica Acta

Volumn 642, Issue 1-2, 2009, Pages 155-162

  Spegazzini, Nicolás ^a   Ruisánchez, Itziar ^a   Larrechi, M Soledad ^a  

^a Chemometrics   (Spain)

Author keywords

Curing reaction; Fourier transform infrared attenuated total reflection; Global phase angle; Multivariate curve resolution alternating least squares

Indexed keywords

CATIONIC CURING; CHEMICAL SPECIES; CONCENTRATION OF; CONCENTRATION PROFILES; CONSECUTIVE REACTIONS; CONVERGENCE CRITERION; CORRELATION COEFFICIENTS; CURING PROCESS; CURING REACTION; DATA MATRICES; DIGLYCIDYL ETHER OF BISPHENOL-A; ERROR CRITERIONS; FOURIER TRANSFORM INFRARED-ATTENUATED TOTAL REFLECTION; FTIR-ATR; FTIR-ATR SPECTRUM; GLOBAL PHASE ANGLE; INITIAL ESTIMATES; INTERMEDIATE SPECIES; LACK OF FITS; MCR-ALS; MULTIVARIATE CURVE RESOLUTION-ALTERNATING-LEAST SQUARES; OPTIMAL NUMBERS; QUANTITATIVE INFORMATIONS; RANK DEFICIENCIES; SEQUENTIAL ESTIMATIONS; SPECIFIC ABSORPTIONS; SPECTRAL DATUM; TIME INTERVALS;

CURING; CURVE FITTING; ELECTROMAGNETIC WAVE REFLECTION; ETHERS; FOURIER TRANSFORM INFRARED SPECTROSCOPY; LANDING; LEAST SQUARES APPROXIMATIONS; OPTICAL RESOLVING POWER; PHENOLS; SPECTROSCOPIC ANALYSIS;

FOURIER TRANSFORMS;

4,4' ISOPROPYLIDENEDIPHENOL; CHEMICAL COMPOUND; GAMMA VALEROLACTONE; LACTONE DERIVATIVE; UNCLASSIFIED DRUG;

ABSORPTION; ANALYTIC METHOD; ARTICLE; CHEMICAL REACTION; CORRELATION COEFFICIENT; INFRARED SPECTROSCOPY; MULTIVARIATE CURVE RESOLUTION ALTERNATING LEAST SQUARE; PARAMETER; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; SEQUENTIAL ANALYSIS;

EID: 65449116012     PISSN: 00032670     EISSN: 18734324     Source Type: Journal    
DOI: 10.1016/j.aca.2009.02.037     Document Type: Article

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