Document Detail

Comparison of methods employing gas chromatography retention data to determine vapour pressures at 298 K.
MedLine Citation:
PMID:  11510536     Owner:  NLM     Status:  MEDLINE    
Validity of five models suggested for expressing the relationship between vapour pressures and GC retention times measured on a non-polar capillary column were tested on a common set of compounds [five homologous series of the type H-(CH2)n-Y, where Y denotes Cl, Br, CHO, OCOCH3 and COOCH3, and n varies from 6 to 14]. Standard methods of statistical analysis, as well as vapour pressure values obtained independently from direct vapour pressure measurements were used as validity criteria. For the 40-compound data set examined, the methods provided vapour pressures agreeing within 9.2-24.7% (average absolute percent error) with direct experimental data.
B Koutek; J Cvacka; L Streinz; P Vrkocová; J Doubský; H Simonová; L Felt; V Svoboda
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of chromatography. A     Volume:  923     ISSN:  0021-9673     ISO Abbreviation:  J Chromatogr A     Publication Date:  2001 Jul 
Date Detail:
Created Date:  2001-08-20     Completed Date:  2002-01-29     Revised Date:  2009-01-15    
Medline Journal Info:
Nlm Unique ID:  9318488     Medline TA:  J Chromatogr A     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  137-52     Citation Subset:  IM    
Department of Natural Products, Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague.
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MeSH Terms
Air Pressure
Alkanes / chemistry
Chromatography, Gas / methods*
Reference Values
Reg. No./Substance:

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