Research Article

Using Compact 1H NMR, NIR, and Raman Spectroscopy Combined with Multivariate Data Analysis to Monitor a Biocatalyzed Reaction in a Microreaction System

Table 1

Reaction order and rate constants according to 1H NMR, Raman, and NIR spectroscopic methods for the enzyme-catalysed hydrolysis of acetic anhydride using univariate and multivariate spectral analyses.

UnivariateMultivariate (MCR-ALS)
Reaction orderRate constant (min−1·10·3)Rate constant (min−1·10−3)Explained variance

1H NMR12.12.20.99
Raman12.22.10.99
NIR11.90.97