“…16,17 TPV analysis indicated that gas-phase organic material consistent with the expected denuder efficiency did penetrate the speciation sampler short BOSS denuder. SVOCs lost from particles are expected, based on past studies, to be evolved from the CIG filters during the TPV analysis from approximately 220 to 280°C in a symmetrical peak centered around 250°C.…”
Section: Svocs Lost From Particles During Samplingmentioning
The Particle Concentrator-Brigham Young University Organic Sampling System (PC-BOSS) has been previously verified as being capable of measuring total fine particulate matter (PM 2.5 ), including semi-volatile species. The present study was conducted to determine if the simple modification of a commercial speciation sampler with a charcoal denuder followed by a filter pack containing a quartz filter and a charcoal-impregnated glass (CIG) fiber filter would allow for the measurement of total PM 2.5 , including semi-volatile organic material. Data were collected using an R&P (Rupprecht and Pastasnik Co., Inc.) Partisol Model 2300 speciation sampler; an R&P Partisol speciation sampler modified with a BOSS denuder, followed by a filter pack with a quartz and a CIG filter; a Met One spiral aerosol speciation sampler (SASS); and the PC-
“…16,17 TPV analysis indicated that gas-phase organic material consistent with the expected denuder efficiency did penetrate the speciation sampler short BOSS denuder. SVOCs lost from particles are expected, based on past studies, to be evolved from the CIG filters during the TPV analysis from approximately 220 to 280°C in a symmetrical peak centered around 250°C.…”
Section: Svocs Lost From Particles During Samplingmentioning
The Particle Concentrator-Brigham Young University Organic Sampling System (PC-BOSS) has been previously verified as being capable of measuring total fine particulate matter (PM 2.5 ), including semi-volatile species. The present study was conducted to determine if the simple modification of a commercial speciation sampler with a charcoal denuder followed by a filter pack containing a quartz filter and a charcoal-impregnated glass (CIG) fiber filter would allow for the measurement of total PM 2.5 , including semi-volatile organic material. Data were collected using an R&P (Rupprecht and Pastasnik Co., Inc.) Partisol Model 2300 speciation sampler; an R&P Partisol speciation sampler modified with a BOSS denuder, followed by a filter pack with a quartz and a CIG filter; a Met One spiral aerosol speciation sampler (SASS); and the PC-
“…Monitors The results obtained using two Sunset monitors using a common inlet at Rubidoux have been previously described 8 and are repeated here for comparison with results obtained with the dual-oven instrument. Results included the semi-continuous measurement of total fine particulate carbonaceous material, nonvolatile material (including the EC) being determined on the instrument with the quartz filter, and fine particulate SVOC being determined on the instrument with the CIG filter.…”
Section: Determination Of Fine Particulate Svoc and Nonvolatile Carbomentioning
confidence: 99%
“…Particulate SVOC A Sunset monitor was modified 8 to allow for the determination of SVOC lost from particles during the 45-min sample collection period. The modified instrument sampled the second of the two split flow lines after the sharp-cut cyclone inlet.…”
Section: Sunset Monitor Modified To Measure Finementioning
confidence: 99%
“…These studies have been previously described. 8 The dual-oven Sunset monitor was initially tested during January-March 2005 at the Lindon, UT, sampling site. These studies were used to determine sampling protocols, blank evaluations, and comparisons with 3-hr PC-BOSS data.…”
Section: Ambient Sample Collectionmentioning
confidence: 99%
“…The authors have previously reported on the modification of a Sunset Laboratory carbon aerosol monitor to allow for the determination of SVOM. 8 In the conventional Sunset monitor, the sampled airstream passes through a small denuder with charcoal-impregnated cellulose filter (CIF) surfaces to remove gas-phase organic compounds that can adsorb on the quartz filter and subsequently particles are collected on a quartz filter. However, some of the semi-volatile organic carbonaceous material (SVOC) is lost from the particles on the filter during collection and therefore is not measured.…”
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.