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phase ratio, β in chromatographyphase rule

phase ratio, r

in liquid-liquid distribution
The ratio of the quantity of the solvent to that of the other phase.
Notes:
  1. Unless otherwise specified the phase ratio refers to the phase volume ratio.
  2. If other aspects of the phase ratio are employed viz. phase mass ratio, phase flow ratio, these should be specified.
Source:
PAC, 1993, 65, 2373 (Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)) on page 2385
Related index:
IUPAC > Gold Book > math/physics > quantities
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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: 2012-08-19; version: 2.3.2.
DOI of this term: doi:10.1351/goldbook.P04532.
Original PDF version: http://www.iupac.org/goldbook/P04532.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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