Vertical combustion furnace
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United States of America Patent
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Aug 17, 1993
Grant Date -
N/A
app pub date -
Mar 6, 1992
filing date -
Mar 6, 1992
priority date (Note) -
Expired
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Abstract
A vertical resistive combustion furnace having a vertically oriented combustion zone in which first and second coaxially aligned tubes depend. The first tube is open at one end and closed at the other. The second tube is open at one end and partially closed at the other end and is mounted within and spaced from the first tube with the space between the coaxial tubes defining a passage for combustion products produced from a sample of material to be analyzed, disposed in said second tube. The combustion products pass upwardly in the channel through the combustion zone of the furnace so that the combustion products are hot when they exit the furnace for analysis.
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