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Using Common Sense and Science in Expressing Gas...
Go directly to conversion calculators Early on, in our first chemistry classes, we learn about solutions, and different ways of expressing their...
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Determining the Dew Point of a Gas Sample
"Dew Point" is defined as the temperature to which a given volume of air must be cooled at constant pressure and constant water vapor content in...
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Calibration Basics
Introduction It is quite unlikely that you will ever use an absolute method for gas detection. Rather, you will employ any one of dozens of...
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Monitoring hydrogen peroxide in sterile processing...
For some time, ChemDAQ has been touting its capability of monitoring hydrogen peroxide, in addition to its original EtO product line. As you may...
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Accuracy
Definitions"Accuracy" as defined in the ANSI/ISA—51.1—1979 (R1993) standard Process Instrumentation Terminology is:[T]he degree of conformity...
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Where should I set the alarms on my toxic gas monitoring...
Note: All exposure limits cited in this article are current as of 31 December 2006 Ultimately, the entire matter of where to...
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Alcohol and Electrochemical Sensors
For any gas to be detectable by an electrochemical sensor, it must first be "electroactive." As defined by the International Union of Pure and...
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Data Logging and Data Acquisition in Gas Detection
Virtually every industrial facility has some kind of gas detection in place: Millions of portable units are in service, and at least a million...
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Minimum Detectability
"Minimum Detectability" is one of those instrumentation terms that is used frequently, but is seldom defined. Indeed, even though you will...
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Pushing The Limits Of Hydrazine Detection At NASA
Ever since Interscan developed a portable hydrazine analyzer for Brooks Air Force Base, way back in the late 1970's, our instruments have been...
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