2003
DOI: 10.1080/10473289.2003.10466279
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Simultaneous Sampling of Gas- and Aerosol-Phase TDI with a Triple Filter System

Abstract: A new triple filter system sampler/model is proposed for the precise and accurate simultaneous sampling and determination of gas-and aerosol-phase 2,4-toluene diisocyanate (TDI). The system consists of two front Teflon filters for sampling aerosol-phase TDI and a final coated glass fiber filter to collect gas-phase TDI. The aerosolphase TDI is collected on the first Teflon filter, while the second Teflon filter is used to estimate gaseous TDI adsorbed by the first. According to the gas adsorption test of two T… Show more

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Cited by 7 publications
(10 citation statements)
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“…The first Teflon filter is to collect aerosol-phase TDI, while the second is to calibrate the gas-phase TDI adsorbed by the first Teflon filter using the model of the triple filter system [16]. The GFF is used to collect the remaining gas-phase TDI.…”
Section: Samplersmentioning
confidence: 99%
See 3 more Smart Citations
“…The first Teflon filter is to collect aerosol-phase TDI, while the second is to calibrate the gas-phase TDI adsorbed by the first Teflon filter using the model of the triple filter system [16]. The GFF is used to collect the remaining gas-phase TDI.…”
Section: Samplersmentioning
confidence: 99%
“…The TFS sampler was designed previously [16] which consists of three filters: two 37-mm, 2.0-m Teflon filters (Zefluor TM , PTFE, Pall Co., Ann Arbor, MI, USA) in series followed by a 1.0-m, 37-mm GFF (type A/E, SKC Inc., Eighty Four, PA, USA) coated with 1 mg of 1-2PP according to the OSHA 42 [9]. The first Teflon filter is to collect aerosol-phase TDI, while the second is to calibrate the gas-phase TDI adsorbed by the first Teflon filter using the model of the triple filter system [16].…”
Section: Samplersmentioning
confidence: 99%
See 2 more Smart Citations
“…A new triple filter system has also been developed to simultaneously separate and collect the vaporous and aerosol phases of toluene diisocyanate exposed in spray painting and polyurethane foam manufacturing operations 54) . Other studies examining the effects of environmental conditions and electrical charges on the weighing accuracy of different filter materials, the performance of commercial aerosol number samplers and direct reading aerosol monitors, and the error due to masking effect in fiber counting and bio-aerosol colony counting have also been conducted [55][56][57][58][59][60] . These invention and scientific findings in aerosol sampling shed light in the correct relationship between aerosol exposure and health effects.…”
Section: Advances In Researchmentioning
confidence: 99%