{"term":{"id":"01808","doi":"10.1351\/goldbook.D01808","code":"D01808","status":"current","longtitle":"IUPAC Gold Book - dissymmetry of scattering","title":"dissymmetry of scattering","version":"2.3.3","lastupdated":"2014-02-24","definitions":[{"id":"1","text":"The ratio of two Rayleigh ratios for different angles of observation, i.e. z(theta1,theta2) = R(theta1)\/R(theta2) and, most frequently, theta1 = 45° and theta2 = 135°.","links":[{"title":"light scattering","type":"internal","url":"https:\/\/goldbook.iupac.org\/terms\/view\/L03525"}],"math":[{"type":"equation","alttext":"z(theta1,theta2) = R(theta1)\/R(theta2)","latex":"z(\\theta _{1},\\, \\theta _{2}) = \\frac{R(\\theta _{1})}{R(\\theta _{2})}"},{"type":"equation","alttext":"theta1 < theta2","latex":"\\theta _{1} < \\theta _{2}"},{"type":"equation","alttext":"theta = 1 - theta1","latex":"\\theta = 1 - \\theta _{1}"},{"type":"equation","alttext":"theta1 = 45°","latex":"\\theta _{1} = 45 ^{\\circ}"},{"type":"equation","alttext":"theta2 = 135°","latex":"\\theta _{2} = 135 ^{\\circ}"}],"sources":["Purple Book, 1st ed., p. 67 (http:\/\/old.iupac.org\/publications\/books\/author\/metanomski.html)","PAC, 1983, 55, 931. 'Definitions, terminology and symbols in colloid and surface chemistry. Part 1.14: Light scattering (Provisional)' on page 932 (https:\/\/doi.org\/10.1351\/pac198355060931)"]}],"links":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/D01808\/html","json":"https:\/\/goldbook.iupac.org\/terms\/view\/D01808\/json","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/D01808\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/D01808\/plain","pdf":"https:\/\/goldbook.iupac.org\/terms\/view\/D01808\/pdf"},"citeas":"IUPAC. Compendium of Chemical Terminology, 2nd ed. (the \"Gold Book\"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https:\/\/doi.org\/10.1351\/goldbook.","license":"Licensed under Creative Commons Attribution-NoDerivatives (CC BY-NC-ND) 4.0 International (https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/)","collection_reuse":"For parties interested in reusing the entire IUPAC Gold Book please contact IUPAC here https:\/\/www.cognitoforms.com\/IUPAC1\/ContactInformationForm","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":"2023-05-31T00:09:30+00:00"}}