Preheating apparatus employed in analysis of hydrogen and carbon
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United States of America Patent
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Jan 17, 1989
Grant Date -
N/A
app pub date -
Oct 6, 1986
filing date -
Oct 7, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A preheating apparatus of an analysis apparatus for determining the in quantity hydrogen and carbon contained in a sample such as steel is employed to remove moisture adhered to a sample of the steel by spot-heating focused on the sample in a transparent bent tube which is turned one-half in its circumferential direction after completion of its preheating to make it possible for the sample to be transfered by gravity from the bent tube into a graphite crucible in which the sample is fused to extract hydrogen and carbon contained in the sample, so that the thus extracted hydrogen and carbon are determined.
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