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Article: Determination of formaldehyde vapour in the atmospheres of clinical laboratories using chromotropic acid

TitleDetermination of formaldehyde vapour in the atmospheres of clinical laboratories using chromotropic acid
Authors
Lee, CWFung, YSFung, KW
KeywordsChromotropic Acid
Ethanol And Xylene Interference
Formaldehyde Determination
Spectrophotometry
Tenax-Gc Pre-Trap
Issue Date1982
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analyst
Citation
The Analyst, 1982, v. 107 n. 1270, p. 30-34 How to Cite?
DOI: http://dx.doi.org/10.1039/AN9820700030
AbstractEthanol and xylene vapours were found to interfere with the determination of formaldehyde vapour by the chromotropic acid method, whether water or a mixture of chromotropic and sulphuric acids were used as the scrubbing solution. The interference can be removed by a porous polymer sorbent, Tenax GC. Thus, with a Tenax GC pre-trap, the chromotropic acid method can be applied to the determination of formaldehyde vapour in clinical laboratories where alcohol and xylene vapours are often encountered. The advantages of selecting chromotropic - sulphuric acid instead of water as the scrubbing solution are discussed.
Persistent Identifierhttp://hdl.handle.net/10722/167407
ISSN
0003-2654
2023 Impact Factor: 3.6
2023 SCImago Journal Rankings: 0.693
ISI Accession Number ID
WOS:A1982MY54700005

 

DC FieldValueLanguage
dc.contributor.authorLee, CWen_US
dc.contributor.authorFung, YSen_US
dc.contributor.authorFung, KWen_US
dc.date.accessioned2012-10-08T03:06:36Z-
dc.date.available2012-10-08T03:06:36Z-
dc.date.issued1982en_US
dc.identifier.citationThe Analyst, 1982, v. 107 n. 1270, p. 30-34en_US
dc.identifier.issn0003-2654en_US
dc.identifier.urihttp://hdl.handle.net/10722/167407-
dc.description.abstractEthanol and xylene vapours were found to interfere with the determination of formaldehyde vapour by the chromotropic acid method, whether water or a mixture of chromotropic and sulphuric acids were used as the scrubbing solution. The interference can be removed by a porous polymer sorbent, Tenax GC. Thus, with a Tenax GC pre-trap, the chromotropic acid method can be applied to the determination of formaldehyde vapour in clinical laboratories where alcohol and xylene vapours are often encountered. The advantages of selecting chromotropic - sulphuric acid instead of water as the scrubbing solution are discussed.en_US
dc.languageengen_US
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analysten_US
dc.relation.ispartofThe Analysten_US
dc.subjectChromotropic Aciden_US
dc.subjectEthanol And Xylene Interferenceen_US
dc.subjectFormaldehyde Determinationen_US
dc.subjectSpectrophotometryen_US
dc.subjectTenax-Gc Pre-Trapen_US
dc.titleDetermination of formaldehyde vapour in the atmospheres of clinical laboratories using chromotropic aciden_US
dc.typeArticleen_US
dc.identifier.emailFung, YS:ysfung@hku.hken_US
dc.identifier.authorityFung, YS=rp00697en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1039/AN9820700030-
dc.identifier.scopuseid_2-s2.0-0012280199en_US
dc.identifier.volume107en_US
dc.identifier.issue1270en_US
dc.identifier.spage30en_US
dc.identifier.epage34en_US
dc.identifier.isiWOS:A1982MY54700005-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridLee, CW=24744873600en_US
dc.identifier.scopusauthoridFung, YS=13309754700en_US
dc.identifier.scopusauthoridFung, KW=7202934752en_US
dc.identifier.issnl0003-2654-

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