Quantitative NMR spectroscopy of complex liquid mixtures: Methods and results for chemical equilibria in formaldehyde-water-methanol at temperatures up to 383 K

Industrial and Engineering Chemistry Research

Volumn 42, Issue 2, 2003, Pages 259-266

  Maiwald, Michael ^a   Fischer, Holger H ^a   Ott, Michael ^a   Peschla, Roger ^b   Kuhnert, Christian ^b   Kreiter, Cornelius G ^b   Maurer, Gerd ^b   Hasse, Hans ^a  

^a UNIVERSITY OF STUTTGART   (Germany)

^b Rheinland Pfälzische Technische Universität Kaiserslautern Landau   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

FORMALDEHYDE; GLYCOLS; METHANOL; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PRESSURE EFFECTS; TERNARY SYSTEMS; THERMAL EFFECTS; WATER;

AMBIENT PRESSURE;

MIXTURES;

ALCOHOL DERIVATIVE; FORMALDEHYDE; HEMIFORMAL; METHANOL; METHYLENE GLYCOL; POLY(OXYMETHYLENE)GLYCOL; POLY(OXYMETHYLENE)HEMIFORMAL; POLYMER; UNCLASSIFIED DRUG; WATER;

FORMALDEHYDE; METHANOL; NUCLEAR MAGNETIC RESONANCE; SPECTROSCOPY;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL ANALYSIS; CHEMICAL COMPOSITION; CHEMICAL REACTION; INSTRUMENT; LIQUID; METHODOLOGY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; OLIGOMERIZATION; PHASE TRANSITION; PREDICTION; PRESSURE; QUANTITATIVE ANALYSIS; REACTION ANALYSIS; TEMPERATURE DEPENDENCE; VAPOR;

EID: 0037208108     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie0203072     Document Type: Article

References (14)

1. Maurer G. Vapor-Liquid Equilibrium of Formaldehyde- and Water-Containing Multicomponent Mixtures. AIChE J. 1986, 32, 932-948.
2. Albert, M.; Garcia, B. C.; Kuhnert, C.; Peschla, R.; Maurer, G. Vapor-Liquid Equilibrium of Aqueous Solutions of Formaldehyde and Methanol. AIChE J. 2000, 46, 1676-1687.
3. Brandani, S.; Brandani, V.; Tarquini, I. Vapor-Liquid Equilibrium of Formaldehyde Mixtures Containing Methanol. Ind. Eng. Chem. Res. 1998, 37, 3485-3489.
4. Walker, J. F. Formaldehyde, 3rd ed.; ACS Monograph Series 98; Reinhold: New York, 1964.
5. Hasse, H. Dampf-Flüssigkeitsgleichgewichte, Enthalpien und Reaktionskinetik in formaldehydhaltigen Mischungen. Ph.D. Dissertation, Universität Kaiserslautern, Kaiserslautern, Germany, 1990.
6. 13C NMR Spectroscopic Study of Chemical Equilibria in Solutions of Formaldehyde in Water, Deuterium Oxide, and Methanol. Ind. Eng. Chem. Res. 1994, 33, 1022-1029.
7. Balashov, A. L.; Danov, S. M.; Golovkin, A. Yu.; Krasnov, V. L.; Ponomarev, A. N.; Borisova, I. A. Equilibrium Mixture of Polyoxymethylene Glycols in Concentrated Aqueous Formaldehyde Solutions. Russ. J. Appl. Chem. 1996, 69, 190-192.
8. Balashov, A. L.; Danov, S. M.; Krasnov, V. L.; Chernov, A. Yu.; Ryabova, T. A. Association of Formaldehyde in Aqueous-Alcoholic Systems. Russ. J. Gen. Chem. 2002, 72, 744-747.
9. Albert, M. Thermodynamische Eigenschaften formaldehydhaltiger Mischungen. Ph.D. Dissertation, Universität Kaiserslautern, Kaiserslautern, Germany, 1999.
10. Albert, M.; Garcia, B. C.; Kreiter, C. G.; Maurer, G. Vapor-Liquid and Chemical Equilibria of Formaldehyde-Water Mixtures. AIChE J. 1999, 45, 2024-2033.
11. Hahnenstein I.; Albert, M.; Hasse, H.; Kreiter, C. G.; Maurer, G. NMR Spectroscopic and Densimetric Study of Reaction Kinetics of Formaldehyde Polymer Formation in Water, Deuterium Oxide, and Methanol. Ind. Eng. Chem. Res. 1995, 34, 440-450.
12. van Zijl, P. C. M.; Skumar, S.; O'Neil Johnson, M.; Webb, P.; Hurds, R. E. Optimized Shimming for High-Resolution NMR Using Three-Dimensional Image-Based Field Mapping. J. Magn. Reson. A 1994, 111, 203-207.
13. Ernst, R. R.; Anderson, W. A. Application of Fourier Transform Spectroscopy to Magnetic Resonance. Rev. Sci. Instrum. 1966, 37, 93-102.
14. Becker, E. D.; Feretti, J. A.; Gambir, P. N. Selection of Optimum Parameters for Pulse Fourier Transform Nuclear Magnetic Resonance. Anal. Chem. 1979, 51, 1413-1420.