Computer processing of thermogravimetric-mass spectrometric and high pressure thermogravimetric data. Part 1. Smoothing and differentiation

Thermochimica Acta

Volumn 329, Issue 2, 1999, Pages 141-145

  Várhegyi, Gábor ^a   Till, Ferenc ^a  

^a CHEMICAL RESEARCH CENTER   (Hungary)

Author keywords

Differentiation; DTG; High pressure thermogravimetry; Smoothing; Thermogravimetry mass spectrometry

Indexed keywords

EID: 0039136349     PISSN: 00406031     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-6031(99)00041-6     Document Type: Article

References (16)

1. T. Székely, F. Till, G. Várhegyi, Characterisation of fossil fuels by computer aided thermobalance-mass spectrometer system, in: W. Hemminger (Ed.), Proceedings of the Sixth International Conference on Thermal Analysis, vol. 2, Birkhauser Verlag, Basel, 1980, pp. 365-370.
2. G. Várhegyi, M.J. Antal, Jr., T. Székely, F. Till, E. Jakab, P. Szabó, Simultaneous thermogravimetric-mass spectrometric studies on the thermal decomposition of biopolymers. Part 1: Avicel cellulose in the presence and absence of catalysts. Part 2: Sugar cane bagasse in the presence and absence of catalysts, Energy Fuels 2 (1988) 273-277 and 267-272.
3. Simkovic I., Várhegyi G., Antal M.J., Ebringerova A., Székely T., Szabó P. TG/MS characterization of the thermal decomposition of (4-O-methyl-D-glucurono)-D-xylan. J. Appl. Polym. Sci. 36:1988;721-728.
4. Várhegyi G., Jakab E., Till F., Székely T. Thermogravimetric-mass spectrometric characterization of the thermal decomposition of sunflower stem. Energy Fuels. 3:1989;755-760.
5. Jakab E., Faix O., Till F. Thermal decomposition of milled wood lignins studied by thermogravimetry/mass spectrometry. J. Anal. Appl. Pyrolysis. 40 41:1997;171-186.
6. Blazsó M., Székely T., Till F., Várhegyi G., Jakab E., Szabó P. Pyrolysis GC-MS and TG-MS investigation of brown coals. J. Anal. Appl. Pyrolysis. 8:1985;255-269.
7. Jakab E., Till F., Várhegyi G. Thermogravimetric-mass spectrometric study on the low temperature oxidation of coals. Fuel Proces. Technol. 28:1991;221-238.
8. Jakab E., Till F., Székely T., Kozhabekov S.S., Zhubanov B.A. Thermal decomposition of aryl-alicyclic polyimides studied by thermogravimetry/mass spectrometry and pyrolysis-gas chromatography/mass spectrometry. J. Anal. Appl. Pyrolysis. 23:1992;229-243.
9. 60.n-pentane clathrate. Solid State Commun. 83:1992;423-426.
10. 2 mixtures. Energy Fuels. 10:1996;1208-1214.
11. Antal M.J. Jr., Várhegyi G., Jakab E. Cellulose pyrolysis kinetics: revisited. Ind. Eng. Chem. Res. 37:1998;1267-1275.
12. Várhegyi G., Antal M.J. Jr., Jakab E., Szabó P. Kinetic modeling of biomass pyrolysis. J. Anal. Appl. Pyrolysis. 42:1997;73-87.
13. E.T. Whittaker, G. Robinson, The calculus of observations, Blackie, London, 1926.
14. Reinsch C.H. Smoothing by spline functions. Numerische Mathematik. 10:1967;177-183.
15. Savitzky A., Golay M. Smoothing+differentiation of data by simplified least squares processes. Anal. Chem. 36:1964;1627.
16. Hui K.Y., Gratzl M. Anomalies of convolutional smoothing and differentiation. Anal. Chem. 68:1995;1054-1057.