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  • A Modular Approach to Process Analysis
    As a potential application, David describes a NeSSI device with pH, redox or nano-liquid chromatograph, used to measure components in the condensed phase of a chemical reaction. "A NeSSI device with a mass spectrometer or nano-gas chromatograph could be used to measure gases evolved during
  • Continuous, On-Line NIR Analysis of Process Gasses
    Near infrared (NIR) is not commonly associated with on-line analysis of process gasses in comparison to infrared (IR) and the ubiquitous, but maintenance-intensive gas chromatograph (GC). The purpose of this application note is to demonstrate not only the specificity, but also the quantitative
  • Malema M-VF Series Adjustable Velocity Fuse
    refineries and various petrochemical and chemical plants use process gas analyzers such as gas chromatographs and TOC analyzers. Hydrogen is used as a carrier gas in gas chromatography and in various analytical instrument applications, most commonly as a fuel component of combustion gases for Flame
  • Verify Fluid Flow to Your Analyzer and Keep Your Plant Running
    Gas chromatographs (GCs), mass spectrometers, optical spectrometers and photometers are a few examples of analyzer technologies applied in process and plant systems that need sample flow assurance. It is an accepted industry best practice that sampling systems have some type of flow monitor
  • Solid Phase Microextraction
    into the polymeric coating as a function of their distribution coefficients. Convection speeds up the process. After a predetermined time, the fiber is removed from the solution and placed into the injection port of a gas chromatograph, where the analytes are thermally desorbed. Alternately, the fiber can
  • NeSSI and PAT Work Together in Pharmaceutical Manufacturing
    analytical instrumentation provides the measurement tools that provide the information that companies need to optimize their processes, ensure the safety of their employees, and meet appropriate mandated environmental regulations. The FDA Process Analytical Technologies (PAT) Initiative encourages
  • Ethylene: Diethylene Glycols On-Line Monitoring with a ClearView TM Photometer
    To replace a gas chromatograph (GC) by continuously measuring the amount of ethylene glycol in diethylene glycol using a near infrared (NIR) ClearView TM fiber optic filter photometer. Background: It is not obvious, even to many NIR practitioners, that NIR can make more subtle distinctions among
  • Mid-Infrared Analysis of Biodiesel (.pdf)
    The biofuels industry is growing rapidly and so is the need for analysis to ensure quality product. The parameters for quality biodiesel require different types of instruments and measurement systems, such as gas chromatographs (GC), titrators, centrifuges, infrared spectrometers... Although claims

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