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Article: Determination of volatile organic compounds in air using a dehumidified and ventilated diffusive sampler, thermal desorption and gas chromatography with flame ionization detection

TitleDetermination of volatile organic compounds in air using a dehumidified and ventilated diffusive sampler, thermal desorption and gas chromatography with flame ionization detection
Authors
KeywordsAromatic and halogenated hydrocarbons
Dehumidified and ventilated diffusive sampler
Diffusive sampling
Volatile organic vapours
Issue Date1996
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analyst
Citation
Analyst, 1996, v. 121 n. 12, p. 1955-1961 How to Cite?
AbstractA portable dehumidified and ventilated diffusive sampler (DVDS) incorporating three diffusive tubes and a domestic battery-driven fan dryer was developed to solve the problems of high humidity and stagnant air for environmental monitoring of volatile organic compounds (VOCs). Using Tenax GR as adsorbent, thermal desorption and cryogenic on-column focusing prior to capillary GC analysis with flame ionization detection, the 10 most common aromatic and halogenated VOCs were determined with the DVDS, giving linear working ranges 3.2 μg m-3-770 mg m-3 for 1 h sampling, sampling rates of 0.64-0.98 ml h-1 and RSD of 4-6%. The good repeatability is due to the use of a small-diameter diffusive tube (0.32 mm id) and reproducible ventilation in the DVDS. The optimized analytical parameters are temperature 10-40°C, relative humidity 0-100%, sampling time 15-480 min and storage for up to 21 days. Quality assurance procedures were developed for the calibration and preparation of the DVDS. The reliability of the method was established by parallel determinations at a given field station using both the DVDS and the active sampling method.
Persistent Identifierhttp://hdl.handle.net/10722/69363
ISSN
2015 Impact Factor: 4.033
2015 SCImago Journal Rankings: 1.300
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFung, YSen_HK
dc.contributor.authorWu, Zen_HK
dc.date.accessioned2010-09-06T06:12:58Z-
dc.date.available2010-09-06T06:12:58Z-
dc.date.issued1996en_HK
dc.identifier.citationAnalyst, 1996, v. 121 n. 12, p. 1955-1961en_HK
dc.identifier.issn0003-2654en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69363-
dc.description.abstractA portable dehumidified and ventilated diffusive sampler (DVDS) incorporating three diffusive tubes and a domestic battery-driven fan dryer was developed to solve the problems of high humidity and stagnant air for environmental monitoring of volatile organic compounds (VOCs). Using Tenax GR as adsorbent, thermal desorption and cryogenic on-column focusing prior to capillary GC analysis with flame ionization detection, the 10 most common aromatic and halogenated VOCs were determined with the DVDS, giving linear working ranges 3.2 μg m-3-770 mg m-3 for 1 h sampling, sampling rates of 0.64-0.98 ml h-1 and RSD of 4-6%. The good repeatability is due to the use of a small-diameter diffusive tube (0.32 mm id) and reproducible ventilation in the DVDS. The optimized analytical parameters are temperature 10-40°C, relative humidity 0-100%, sampling time 15-480 min and storage for up to 21 days. Quality assurance procedures were developed for the calibration and preparation of the DVDS. The reliability of the method was established by parallel determinations at a given field station using both the DVDS and the active sampling method.en_HK
dc.languageengen_HK
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analysten_HK
dc.relation.ispartofAnalysten_HK
dc.subjectAromatic and halogenated hydrocarbonsen_HK
dc.subjectDehumidified and ventilated diffusive sampleren_HK
dc.subjectDiffusive samplingen_HK
dc.subjectVolatile organic vapoursen_HK
dc.titleDetermination of volatile organic compounds in air using a dehumidified and ventilated diffusive sampler, thermal desorption and gas chromatography with flame ionization detectionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-2654&volume=121&spage=1955&epage=1961&date=1996&atitle=Determination+of+volatile+organic+compounds+in+air+using+a+dehumidified+and+ventilated+diffusive+sampler,+thermal+desorption+and+gas+chromatography+with+flame+ionization+detectionen_HK
dc.identifier.emailFung, YS:ysfung@hku.hken_HK
dc.identifier.authorityFung, YS=rp00697en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1039/an9962101955en_HK
dc.identifier.scopuseid_2-s2.0-0030464262en_HK
dc.identifier.hkuros22174en_HK
dc.identifier.hkuros26018-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030464262&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume121en_HK
dc.identifier.issue12en_HK
dc.identifier.spage1955en_HK
dc.identifier.epage1961en_HK
dc.identifier.isiWOS:A1996VZ01400039-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridFung, YS=13309754700en_HK
dc.identifier.scopusauthoridWu, Z=7501409490en_HK

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