Category: Science > Instruments and Methods
Asked by: radmadscientist-ga
List Price: $5.00
10 Dec 2005 11:34 PST
Expires: 09 Jan 2006 11:34 PST
Question ID: 604139
Explain why TGA is a good technique for the combustion of coal.
Answered By: hedgie-ga on 13 Dec 2005 22:26 PST
Rad, TGA is an Analyser, instrument for "determination of Moisture,volatiles,ash,fix,carbon,LOI .." Here are picturse of few: http://www.elicomarketing.com/html/Navas.htm http://www.navas-instruments.com/TGA/TGA.html TGA stands for THERMO-GRAVIMETRIC ANALYZER; while there may a combustion of a sample, it is not really a a method for combustion. Goal is to measure reactivity of sample: http://www.materials.unsw.edu.au/research/coal/co2.html Here is a description of the procedure: Thermogravimetric Analysis A testing procedure in which changes in weight of a specimen are recorded as the specimen is heated in air or in a controlled atmosphere such as nitrogen. http://composite.about.com/od/glossaries/l/bldef_t5543.htm Hedgie (rating appreciated)
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