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Q: instruments ( Answered,   0 Comments )
Subject: instruments
Category: Science > Instruments and Methods
Asked by: radmadscientist-ga
List Price: $5.00
Posted: 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.
Subject: Re: instruments
Answered By: hedgie-ga on 13 Dec 2005 22:26 PST

TGA is an Analyser, instrument for 
"determination of Moisture,volatiles,ash,fix,carbon,LOI .."

Here are  picturse of few:

while there may a combustion of a sample, it is not really a 
a method for combustion. Goal is to measure reactivity of sample:

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.

Hedgie  (rating appreciated)
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