Abstract: The objective of this study was to develop a methodology for the determination of the maximum sampling error and confidence intervals of thermal properties obtained from thermogravimetric analysis (TG), including moisture, volatile matter, fixed carbon and ash content. The sampling procedure of the TG analysis was of particular interest and was conducted with care. The results of the present study were compared to those of a prompt analysis, and a correlation between the mean values and maximum sampling errors of the methods were not observed. In general, low and acceptable levels of uncertainty and error were obtained, demonstrating that the properties evaluated by TG analysis were representative of the overall fuel composition. The accurate determination of the thermal properties of biomass with precise confidence intervals is of particular interest in energetic biomass applications.
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Pazó, J.A.; Granada, E.; Saavedra, Á.; Eguía, P.; Collazo, J. Biomass Thermogravimetric Analysis: Uncertainty Determination Methodology and Sampling Maps Generation. Int. J. Mol. Sci. 2010, 11, 2701-2714.
Pazó JA, Granada E, Saavedra Á, Eguía P, Collazo J. Biomass Thermogravimetric Analysis: Uncertainty Determination Methodology and Sampling Maps Generation. International Journal of Molecular Sciences. 2010; 11(7):2701-2714.
Pazó, Jose A.; Granada, Enrique; Saavedra, Ángeles; Eguía, Pablo; Collazo, Joaquín. 2010. "Biomass Thermogravimetric Analysis: Uncertainty Determination Methodology and Sampling Maps Generation." Int. J. Mol. Sci. 11, no. 7: 2701-2714.