1995
DOI: 10.1080/10473289.1995.10467383
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Hydrocarbon Measurements During the 1992 Southern Oxidants Study Atlanta Intensive: Protocol and Quality Assurance

Abstract: A major component of the Southern Oxidants Study (SOS) 1992 Atlanta Intensive was the measurement of atmospheric nonmethane hydrocarbons. Ambient air samples were collected and analyzed by a network of strategically located automated gas chromatography (GC) systems (field systems). In addition, an extensive canister sampling network was deployed. Combined, more than 3000 chromatograms were IMPLICATIONS Accurate measurements of ozone precursors are required to understand the process and extent of ozone formatio… Show more

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Cited by 26 publications
(20 citation statements)
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“…Others use secondary standards obtained from a commercial source, while still others purchase gravimetric standards from a National Laboratory such as NIST. Some laboratories rely on the near-proportional response to carbon observed for most NMHCs in FIDs and reference the results to a single NMHC standard [Leveque, 1967;Ackman, 1968;Blades, 1976;Apel et al, 1995]. Other laboratories use a standard for each compound that they wish to analyze, and calibrate their instruments accordingly.…”
Section: Analysis Methods For Nmhcsmentioning
confidence: 99%
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“…Others use secondary standards obtained from a commercial source, while still others purchase gravimetric standards from a National Laboratory such as NIST. Some laboratories rely on the near-proportional response to carbon observed for most NMHCs in FIDs and reference the results to a single NMHC standard [Leveque, 1967;Ackman, 1968;Blades, 1976;Apel et al, 1995]. Other laboratories use a standard for each compound that they wish to analyze, and calibrate their instruments accordingly.…”
Section: Analysis Methods For Nmhcsmentioning
confidence: 99%
“…By these methods, the selected standards used in this study have been shown to be stable since their preparation and our in-house prepared standards compare favorably (±3%) with the NIST prepared standards giving us additional confidence in our calibration. When no specific corresponding NIST standards were available, response factors were referenced to NIST SRM propane, and proportional responses with carbon number were assumed [Leveque, 1967;Ackman, 1968;Blades, 1976;Apel et al, 1995]. The calibration accuracy for the compounds quantified in this way, under the FID conditions employed, is estimated to be ±4% [Apel et al, 1995[Apel et al, , 1999.…”
Section: Ncar-nomhice Methodsmentioning
confidence: 99%
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“…The aim of this study is to assess the reliability of a prac, tical capillary gas chromatography used in our laboratory for the measurement of a wider range of NMHCs by participating in the International Hydrocarbons Intercomparison Experiment sponsored by the National Center for Atmospheric Research (NCAR) [12,13], which was divided into four phases. Phase one was to check the reliability of the gas standard employed by each of the participating groups.…”
Section: Introductionmentioning
confidence: 99%