{"term":{"id":"02127","doi":"10.1351\/goldbook.E02127","code":"E02127","status":"current","longtitle":"IUPAC Gold Book - enrichment factor, Sin liquid-liquid distribution","title":"enrichment factor","index":"quantity","termversion":"2.3.3","lastupdated":"2014-02-24","definitions":[{"id":"1","text":"The factor by which the ratio of two substances in the feed must be multiplied to give their ratio after treatment. QA\/QB = S(A,B).(QA'\/Q B') and QA' are the final and initial amounts of species A and QB and QB' are the final and initial amounts of species B. Hence S(A,B) = EA\/EB where E is the fraction extracted. In terms of D,n,r (where n is the number of stages and r the phase ratio), ","contexts":{"in":["liquid-liquid distribution"]},"links":[{"title":"fraction extracted","type":"goldify","url":"https:\/\/dev.goldbook.iupac.org\/terms\/view\/F02503"}],"math":[{"alttext":"QA\/QB = S(A,B).(QA'\/Q B')","latex":"\\frac{Q_{\\text{A}}}{Q_{\\text{B}}} = S_{\\text{A,B}}\\ \\frac{Q_{\\text{A}}^{'}}{Q_{\\text{B}}^{'}}"},{"alttext":"QA","latex":"Q_{\\text{A}}"},{"alttext":"QA'","latex":"Q_{\\text{A}}^{'}"},{"alttext":"QB","latex":"Q_{\\text{B}}"},{"alttext":"QB'","latex":"Q_{\\text{B}}^{'}"},{"alttext":"S(A,B) = EA\/EB","latex":"S_{\\text{A,B}}=\\frac{E_{\\text{A}}}{E_{\\text{B}}}"},{"alttext":"E","latex":"E"},{"alttext":"D","latex":"D"},{"alttext":"n","latex":"n"},{"alttext":"r","latex":"r"},{"alttext":"n","latex":"n"},{"alttext":"r","latex":"r"},{"alttext":"S(A,B) = )1 - (1 + r.D A)^-n)\/(1 - (1 + r.D B)^-n)","latex":"S_{\\text{A,B}} = \\frac{1- (1\\,+\\,r\\ D_{\\text{A}})^{-n}}{1- (1\\,+\\,r\\ D_{\\text{B}})^{-n}}"}],"sources":["Orange Book, 2nd ed., p. 90 (https:\/\/media.iupac.org\/publications\/analytical_compendium\/)","PAC, 1993, 65, 2373. 'Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)' on page 2382 (https:\/\/doi.org\/10.1351\/pac199365112373)"]}],"links":{"html":"https:\/\/dev.goldbook.iupac.org\/terms\/view\/E02127\/html","json":"https:\/\/dev.goldbook.iupac.org\/terms\/view\/E02127\/json","xml":"https:\/\/dev.goldbook.iupac.org\/terms\/view\/E02127\/xml","plain":"https:\/\/dev.goldbook.iupac.org\/terms\/view\/E02127\/plain","pdf":"https:\/\/dev.goldbook.iupac.org\/terms\/view\/E02127\/pdf"},"citation":"Citation: 'enrichment factor' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351\/goldbook.E02127","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2023-12-08T00:01:54+00:00"}}