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  • High-Sensitivity Simultaneous Analysis of Inorganic Gases and Light Hydrocarbons
    This Data Sheet introduces an example of the high-sensitivity simultaneous analysis of inorganic gases and light. hydrocarbons utilizing the Shimadzu Tracera High-Sensitivity Gas Chromatograph system.
  • Measuring Odors From Livestock Operations
    Chemist Dick Pfeiffer uses a gas chromatograph/mass spectrometer to analyze compounds in odors collected from a swine production facility. Complaints about nuisance livestock odor in rural areas have become a problem nationwide. Scientists for the U.S. Department of Agriculture's are working
  • Hutchinson Hall gets new Organic Chemistry Teaching Lab
    discussions on the planning, execution, and analysis. of experiments. The new lab is equipped with modern chemistry instrumentation,. including a capillary gas chromatograph and two Fourier transform infrared. spectrophotometers. The lab was specifically designed and equipped to streamline. workflow
  • GC Detection and Identification by Coupling PID and FID (.pdf)
    A technique has been developed that is based on analyzing the effluent from a gas chromatograph with both photoionization (PID) and flame ionization (FID) detectors. The relative molar response per mole of carbon (RMR) of the FID is similiar for many types of carbon atoms e.g. for aromatic
  • PAS vs. GC for SF6 Monitoring
    Monitor vs. their own Gas Chromatograph w/ an ECD detector. NUCON injected a known quantity of SF6 into their HVAC Test System and pulled bag samples from various points. By knowing the flow rates and SF6 starting concentration, NUCON calculated the expected SF6 values at each point. The samples
  • Features and Applications of Newly-Developed GC-TOFMS
    A gas-chromatograph mass spectrometer (GC-MS) is a combined analyzer that has superior ability in analyzing organic compounds qualitatively and quantitatively. The first part, gas chromatograph, separates the compounds included in a sample (mixture), then the second part, mass spectrometer, obtains
  • 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
  • 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
  • Air Emissions from the Automobile Manufacturing Industry: A Bio-Oxidation Pilot Study of Paint Emissions Control
    were made to airflow (adjusting residence time) and sump water recirculation spray (biotrickling filter flow rate and biomatrix chamber timing) while monitoring the VOC inlet and outlet concentrations using a gas chromatograph equipped with a flame ionization detector (FID - Method 25A).
  • Application Note: Blood Alcohol Analysis (.pdf)
    Blood alcohol analysis is performed using a Gas Chromatograph (GC), equipped for head space sampling. The blood samples are diluted with an internal standard and loaded into. 20mL head space vials. The samples are run on the GC and quantitated using a standard curve. The results are validated using

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