IUPAC > Gold Book > alphabetical index > P > pressure gradient correction factor in gas chromatography
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pressure flowpressure jump
pressure gradient correction factor
in gas chromatography
A factor that corrects for the compressibility of the carrier gas. The values of the measured quantities obtained after multiplication by the factor Math - ei are independent of the pressure drop in the column. If Math - ei, Math - ei are respectively the pressures of the carrier gas at the inlet and outlet of the column, then Math - ei is given by:
Math - e
Source:
Orange Book, p. 101
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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2008-10-07; version: 2.0.2.
DOI of this term: doi:10.1351/goldbook.P04821.
Original PDF version (may be out of date): http://www.iupac.org/goldbook/P04821.pdf.
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