• A flame ionization detector (FID) is a scientific instrument that measures analytes in a gas stream. (wikipedia.org)
  • In 1959, Perkin Elmer Corp. included a flame ionization detector in its Vapor Fractometer. (wikipedia.org)
  • The design of the flame ionization detector varies from manufacturer to manufacturer, but the principles are the same. (wikipedia.org)
  • The ions (F) are repelled up toward the collector plates (G) which are connected to a very sensitive ammeter, which detects the ions hitting the plates, then feeds that signal to an amplifier, integrator, and display system(H). The products of the flame are finally vented out of the detector through the exhaust port (J). Flame ionization detectors are used very widely in gas chromatography because of a number of advantages. (wikipedia.org)
  • A portable gas chromatograph, using a single flame ionization detector, was constructed. (trb.org)
  • For the range of translation and angular accelerations that might be expected on a platform at sea, it was found that medium resolution gas chromatography using a flame ionization detector can be conducted, but in the trace analysis region, trace distortion can be expected. (trb.org)
  • Flame Ionization Detection, or FID (pronouncing each letter), is a cheap and standard detector which has a long history of use in the automotive industry for measuring the total hydrocarbon concentration, as well as various other molecular species, in a given engine emissions sample. (extractionmagazine.com)
  • A nebulized flame ionization detector interfaced with LC was examined and found to be more versatile in applications than common LC detectors, such as UV, RID, ELSD and CAD. (lboro.ac.uk)
  • The most common currently used method of analyzing for the presence of sulfur mustard and its metabolites in biological and environmental samples is gas chromatography/mass spectrometry (GC/MS). Prior to 1987, however, thin-layer chromatography (TLC) with a colorimetric detection system and gas chromatography with either flame ionization detector (FID), electron capture detector (ECD), or flame photometric detector (FPD) were the most frequently used methods. (cdc.gov)
  • The instrument should be one that is designed for use with glass columns and that is equipped with an on-column injection system and a high-sensitivity flame-ionization detector. (who.int)
  • The LC/APCI-MS identification of canola oil triacylglycerols allowed their quantitation by reversed-phase HPLC coupled with a commercial flame ionization detector (FID). (usda.gov)
  • In addition to our suite of aqueous analytical instruments we also have two Gas Chromatographs - Flame Ionisation Detector with micro Electro Chemical Detector (GC-FID/uECD), which analyses nitrous oxide, carbon dioxide and methane and GC-FID for hydrocarbon analysis. (qmul.ac.uk)
  • This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires. (firstalert.com)
  • The Apollo Discovery ionisation smoke detector is made from a self extinguishing white polycarbonate case and is quick at detecting fast flaming fires. (safelincs.co.uk)
  • The Apollo Discovery ionisation smoke detector has been approved by LPCB and VdS, and can be used as part of an XFP or Kentec addressable fire alarm panel system. (safelincs.co.uk)
  • Each GC detector comes with electronic pressure controlled (EPC) support gases for the flame ionisation device (FID). (offshore-technology.com)
  • The operation of the FID is based on the detection of ions formed during combustion of organic compounds in a hydrogen flame. (wikipedia.org)
  • Conifer seed oils from European Larch (Larix decidua), Norway Spruce (Picea abies) and European Silver Fir (Abies alba) have been analyzed by non-aqueous reversed-phase high-performance liquid chromatography (NARP-HPLC) with atmospheric pressure chemical ionisation (APCI)-MS detection. (unboundmedicine.com)
  • This animation deals specifically with flame ionization detection in GC. (asdlib.org)
  • An analytical method called gas chromatography-flame ionization detection (GC-FID) separates and analyzes mixtures made up of volatile components. (apurun.com)
  • ISO 25140:2010 specifies the principle, the essential performance criteria, and quality assurance and quality control procedures for an automatic method for measuring methane in the waste gas of stationary sources using flame ionisation detection. (iso.org)
  • Samples are analyzed by gas chromatography with flame ionization detection. (epa.gov)
  • We use a new method of introduction, called Atmospheric Pressure Chemical Ionization, to spray the triglycerides into the mass spectrometer for detection. (usda.gov)
  • Canola oil triacylglycerols from genetically modified canola lines were conclusively identified by reversed-phase HPLC coupled with atmospheric pressure chemical ionization mass spectrometric (APCI-MS) detection. (usda.gov)
  • Oligosaccharide fingerprinting employing capillary gas chromatography with flame ionization detection. (chipsbooks.com)
  • Gas chromatography - flame ionization detection, along with diode-array (DAD) and charged aerosol detection (CAD) with ultrahigh performance liquid chromatography (UHPLC) and ultrahigh performance supercritical fluid chromatography (UHPSFC), have been used to quantify lignin monomers and dimers. (lu.se)
  • The ionization sensor is ideal for detecting fast flaming and other types of fires. (1000bulbs.com)
  • While one type is better at detecting flaming fires, the other is better at detecting smoldering fires. (allstate.com)
  • The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials. (firstalert.com)
  • Photoelectric smoke alarms may respond slightly faster to smoldering fires, while ionization alarms respond slightly faster to flaming fires. (deland.org)
  • Photoelectric alarms are best at detecting smoky, slow-building fires, and ionization alarms are best at detecting fast, flaming fires. (newschannel5.com)
  • The first flame ionization detectors were developed simultaneously and independently in 1957 by McWilliam and Dewar at Imperial Chemical Industries of Australia and New Zealand (ICIANZ, see Orica history) Central Research Laboratory, Ascot Vale, Melbourne, Australia. (wikipedia.org)
  • Cost: Flame ionization detectors are relatively inexpensive to acquire and operate. (wikipedia.org)
  • The performance of three MIRAN SapphIRe Portable Infrared Ambient Air Analyzers and three Century Portable Toxic Vapor Analyzers equipped with photoionization (PID) and flame ionization (FID) detectors was compared with charcoal tube sampling. (cdc.gov)
  • Electron impact ionization (EI) is used. (cdc.gov)
  • If a fire smolders with no flame, then a photoelectric sensor will detect it first," Roux says. (allstate.com)
  • If it is a hot, flaming fire, then an ionization sensor will likely sound first. (allstate.com)
  • If you don't have dual-sensor alarms, the NFPA recommends installing both ionization and photoelectric alarms in your home. (allstate.com)
  • The First Alert Hardwired Smoke Alarm with Battery Backup comes equipped with an ionization sensor to help provide the earliest possible warning of a fast-flaming fire. (firstalert.com)
  • Polybrominated diphenyl ethers (PBDEs) are included in a larger group of chemicals known as brominated flame retardants and they are added to products such as foam padding, textiles, or plastics to retard combustion. (cdc.gov)
  • As the sample gas is fed across the flame, any hydrocarbons that are present combust. (extractionmagazine.com)
  • In addition to functioning independently, this hardwired ionization smoke alarm can also integrate with up to 12 other First Alert or BRK hardwired alarms for coverage of larger spaces. (firstalert.com)
  • What the FID does in practice is continuously keep alight a flame of pure hydrogen gas in a chamber filled with air. (extractionmagazine.com)
  • Designed to help promote household safety, the First Alert Hardwired Ionization Smoke Alarm with Battery Backup can provide early warning of fire. (firstalert.com)
  • This Ionization Smoke Alarm is designed for hardwired installation, but it also features a battery backup that helps ensure continued protection in the event of a power outage. (firstalert.com)
  • E ≈ 1 MV/m, dE/dr ≈ 10^8 V/m^2, and f ≈ 1000 Hz) can have a dramatic influence on hydrocarbon flames, enabling their manipulation and even extinction. (aiche.org)
  • Correct implementation of LEL Monitoring Systems, through our Infrared or Flame Ionization monitors, not only allows full compliance with all applicable laws and regulations, but also guarantees respect for the environment, with a significant reduction in Volatile Organic Compounds emissions in atmosphere, and more interesting, offers a significant opportunity for thermal energy saving and lower investments in air treatment systems. (nirainstruments.com)
  • This positive bias helps to repel the oxidized carbon ions created by the flame (E) pyrolyzing the eluent. (wikipedia.org)
  • Flame emission and atomic absorption spectrometry (FES and AAS). (chipsbooks.com)
  • PBDEs are not chemically bound to the flame-retarded material, so they can enter the environment from volatilization, leaching, or degradation of PBDE-containing products. (cdc.gov)
  • Hence humans may be exposed though the diet, including breast feeding, and by contact with flame retarded products and contaminated house dust. (cdc.gov)
  • Consequently, flames can be considered not only as the hot, gaseous products of an exothermic oxidation process but also as weakly ionized, nonequilibrium plasmas. (aiche.org)
  • GC/MS analysis allows separation of compounds based on their retention time within a chromatography column and identification of each compound by the characteristic fragments into which a given chemical is broken following ionization of the compound. (medscape.com)
  • SRI Instruments supplies gas generators for carrier gas or flame gas in FID and chromatography use, and purifiers for trace gas analyser systems. (offshore-technology.com)
  • Furthermore, modern technologies such as high frequency, high voltage power supplies have just recently enabled the exploration of new types of flame-field interactions. (aiche.org)
  • Present characterization of ganglioside standards quantifies only the fatty acid content by gas chromatography-flame ionization detection (GC-FID) analysis of the ganglioside mixture and does not parse out the percentages of the individual mono-sialo ganglioside components. (omicsonline.org)
  • Volatiles were assayed by gas chromatography-flame-ionization detection. (nih.gov)
  • On the same day, blood samples were obtained and subsequently analyzed by gas chromatograph-flame ionization detection (GC-FID) to quantify omega-3 fatty acids levels at baseline. (nih.gov)
  • The current measured corresponds roughly to the proportion of reduced carbon atoms in the flame. (wikipedia.org)
  • Now as the number of ions produced in the flame is near about proportional to the number of carbon atoms, the current produced is also proportional to the carbon atoms in the sample. (myclassbook.org)
  • Ionisation alarms are sensitive to fast-flaming fires and are suitable for hallways or areas with combustible materials. (the-sia.org.uk)
  • Ionisation smoke alarms are sensitive to small particles of smoke produced by fast-flaming fires, such as paper or wood fires. (the-sia.org.uk)
  • Photoelectric smoke alarms may respond slightly faster to smoldering fires, while ionization alarms respond slightly faster to flaming fires. (deland.org)
  • The positive electrode acts as the nozzle head where the flame is produced. (wikipedia.org)
  • The other, negative electrode is positioned above the flame. (wikipedia.org)
  • A potential of few hundreds volts is applied across a burner tip and collector electrode located above the flame. (myclassbook.org)
  • When smoke enters the chamber, it disrupts the ionisation process and triggers the alarm. (the-sia.org.uk)
  • Each exposure chamber was analyzed for isopropanol twice each hour by flame ionization gas chromatography. (europa.eu)
  • Breath analysis by two-dimensional gas chromatography with dual flame ionisation and mass spectrometric detection - Method optimisation and integration within a large-scale clinical study. (le.ac.uk)
  • This study describes the development of a method for the analysis of breath, based on automated thermal desorption (TD) combined with flow modulated comprehensive two-dimensional gas chromatography (GC×GC) with dual flame ionisation and quadrupole mass spectrometric detection (FID and qMS). (le.ac.uk)
  • Determination of hepatic tissue calcium levels by flame emission spectrophotometry. (nih.gov)
  • Tim Ballard (TB) of En-Cas Analytical Laboratories was paid on a fee for service basis to conduct the laboratory work, and does not have a competing interest. (medscape.com)
  • An investigation is presented of the use of flame emission spectrophotometry as an alternative analytical method to atomic absorption spectrophotometry in the assessment of hepatic calcium levels following hepatotoxicant challenge, using a proven method of tissue digestion. (nih.gov)
  • Flame Extinguishment With Homogeneous Solutions of a Chemical Agent Dissolved in Liquid Carbon Dioxide. (nist.gov)
  • any chemical species with an ionization potential at or below this energy will be detected. (caslab.com)
  • Our ITAS Ductflame , ITAS Dryflame , North American Zephyr TM and North American Magna-Flame TM burners are low-emissions, high-efficiency installations with a range of low-temperature applications. (fivesgroup.com)
  • 15. Gas chromatography/flame ionisation detection mass spectrometry for the detection of endogenous urine metabolites for metabonomic studies and its use as a complementary tool to nuclear magnetic resonance spectroscopy. (nih.gov)
  • Other features of the dual channel hydrocarbon analyzer include: software, automatic ranging, automatic fuel and sample shut off system, automatic flame-out indicator, adjustable alarm and oven setting, purge system, purge system, two stage sample filter with exchangeable elements, a 19 inch rack or bench mount, and much more. (pollutiononline.com)
  • Flame emission and atomic absorption spectrophotometry were found to be comparable in sensitivity with detection limits in the ppm range and correlation coefficients of greater than 0.99 for the standard curves. (nih.gov)