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Accession Number:
AD0857874
Title:
Gas Analysis by Means of Detector Tubes. Part 7. Rapid Method for the Determination of Ethylene
Descriptive Note:
Corporate Author:
ARMY BIOLOGICAL LABS FREDERICK MD
Report Date:
1969-07-24
Pagination or Media Count:
7.0
Abstract:
A mixed solution of ammonium molybdate and palladium sulfate was sorbed onto silica gel particles which were dried in vacuum to prepare a gas detection material which was then loaded into a thin glass tube to make the detector tube. Using a gas sampler and running a 10 cc gas sample through the tube in 40 seconds or 100 cc in 400 seconds, ethylene concentrations in the range 0.05-1.2 percent and 0.002-0.12 percent can be determined within a few seconds. The effects of various parameters on the length of the colored layer of the detector tube were studied, and direct reading concentration and temperature correction tables were constructed. Precision studies showed the reproducibility to be adequate for practical application.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE