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  • Direct In Situ Zirconia Oxygen Analyzer (.pdf)
    The EXAxt Zircon Oxygen Analyzer (Model ZR402G) is used to monitor and control the oxygen concentration in combustion gases, in boilers and industrial furnaces, for wide application in industries which consume considerable energy-such as steel, electric power, oil and petrochemical, ceramics, paper
  • Ionization Chamber Smoke Detectors
    . An ionization chamber is very simple. It consists of 2 plates with a voltage across them, along with a radioactive source of ionizing radiation. The alpha particles generated by the small radioactive source ionize the oxygen and nitrogen atoms of the air in the chamber. Ionization means that you end up
  • Remote Sampling with Detector Tubes
    sulfide, oxygen deficiency and combustibles) along with additional measurements for any other known contaminants not covered by those four tests. For example, in a refinery, worker entry into a gasoline storage tank would require the four standard tests and a test for the level of benzene, which is known
  • Practical Issues of Combustion (.pdf)
    the number of NOx reductions projects and the sales quantity of insitu oxygen detectors. The reason is that power plant betterment groups, operators, boiler manufacturers and engineering firms understand the direct relationship between NOx and excess air in the combustion process. An area of daily
  • Infrared Technology for Fail-To-Safe Hydrocarbon Gas Detection
    Continuing advances in infrared technology have resulted in fail-to-safe hydrocarbon gas point detectors that continuously monitor combustible gases and vapors within the lower explosive limit (LEL) and provide alarm indication. Other features of these detectors include operation in oxygen
  • XEDS in AEM Using the Ionic Compound Method for Quantitative Analysis (.pdf)
    Since the early days of XEDS, analysts have taken advantage of chemical stoichiometry to aid in the calculations of compositions. EDS detectors with Be windows would not allow the measurement of oxygen, but minerals, ceramics and glasses can be calculated using the stiochiometic relationships
  • Importance of Bump Testing (.pdf)
    Oxygen deficiency, exposure to toxic gases and explosive atmospheres are all too often responsible for confined space injuries and fatalities. In accordance with regulations and industry best practices, the only way to verify that atmospheric conditions are safe is to use an atmospheric monitor
  • Novel Method for Instantaneous, Quantitative Measurement of Molecular Mixing in Gaseous Flows
    We describe a novel method for making instantaneous, quantitative, planar measurements of fluid mixed at the molecular level in gaseous flows. The method relies on the effective oxygen quenching of the phosphorescence of luminescent tracers, such as acetone and biacetyl. The tracer's fluorescence
  • What's All This "Bump" Test Stuff About Anyhow?
    that someone come to the control room to investigate. The safety department sent someone up stairs with a typical multi-gas monitor designed to detect carbon monoxide, hydrogen sulfide, oxygen and combustible gases. The monitor was turned on and placed on the control room counter. After a few minutes
  • OH Emission Spectra of Hybrid Rocket Motors Using
    to characterize hybrid rocket plume emissions. Temperatures. estimated for the PMMA fuel grains ranged from 2600 to 3400 K using 5 to 30 psig oxygen.