Apparatus and method for detecting chlorine dioxide
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United States of America Patent
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Issued Date -
Aug 19, 2004
app pub date -
Feb 13, 2003
filing date -
Feb 13, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for detecting chlorine dioxide in a vapor having both chlorine dioxide and molecular chlorine includes a filter tube operable to remove molecular chlorine from the vapor and a detection tube connected to the filter tube to detect chlorine dioxide in the vapor after the molecular chlorine has been removed. An air pump is provided to create pressure sufficient to force or draw the vapor through the filter and detection tubes. The filter tube includes a material, such as sulfamic acid, that chemically reacts with the vapor to remove the molecular chlorine from the vapor.
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