Analysis of aqueous solutions by near-infrared spectrometry (NIRS). II. Titrations of weak and very weak acids with strong bases.
In: Journal of Molecular Structure (J.Mol.Struct.), Jg. 410-411 (1997), S. 565-572
Zeitschriftenaufsatz / Fach: Chemie
The titrns. of acetic and H3PO4 with NaOH were obsd. by NIR-spectrometry. The measured spectra can be evaluated quant. for calibration of the H+- and OH--concn. The NIRS errors with respect to the prediction of the pH and the equivalence point are discussed.