Method for assaying sulphur trioxide
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United States of America Patent
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-
Dec 16, 1986
Grant Date -
N/A
app pub date -
Oct 26, 1984
filing date -
Mar 18, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for assaying dry gases comprising sulphur trioxide capable of forming a mist. The gas to be assayed is introduced into a closed space and contacted therein with air comprising normal humidity which reacts with the gas to form a mist, whereafter the light-extinction properties of the mist are measured.
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