{"term":{"id":"02712","doi":"10.1351\/goldbook.G02712","code":"G02712","status":"current","longtitle":"IUPAC Gold Book - Guinier plot","title":"Guinier plot","termversion":"2.3.3","lastupdated":"2014-02-24","definitions":[{"id":"1","text":"A diagrammatic representation of data on scattering from large particles, obtained at different angles but at the same concentration, constructed by plotting log 10 Δ R θ or log 10 P θversus(sin θ2)2 or q 2 and (usually) used for the evaluation of the radius of gyration. ΔRθ is the excess Rayleigh ratio, P θ the particle scattering function, θ the scattering angle and q the length of the scattering vector.","links":[{"title":"scattering","type":"goldify","url":"https:\/\/goldbook.iupac.org\/terms\/view\/S05487"},{"title":"radius of gyration","type":"goldify","url":"https:\/\/goldbook.iupac.org\/terms\/view\/R05121"},{"title":"excess Rayleigh ratio","type":"goldify","url":"https:\/\/goldbook.iupac.org\/terms\/view\/E02236"},{"title":"particle scattering function","type":"goldify","url":"https:\/\/goldbook.iupac.org\/terms\/view\/P04429"},{"title":"scattering angle","type":"goldify","url":"https:\/\/goldbook.iupac.org\/terms\/view\/S05488"},{"title":"scattering vector","type":"goldify","url":"https:\/\/goldbook.iupac.org\/terms\/view\/S05494"}],"math":[{"alttext":"log 10 Δ R θ","latex":"\\log _{10}\\Delta R\\left(\\theta \\right)"},{"alttext":"log 10 P θ","latex":"\\log _{10}P\\left(\\theta \\right)"},{"type":"math","alttext":"(sin θ2)2","latex":"(\\sin \\frac{\\theta }{2})^{2}"},{"alttext":"q 2","latex":"q^{2}"},{"alttext":"ΔRθ","latex":"\\Delta R(\\theta)"},{"alttext":"P θ","latex":"P\\left(\\theta \\right)"},{"alttext":"θ","latex":"\\theta "},{"alttext":"q","latex":"q"}],"sources":["Purple Book, 1st ed., p. 67 (http:\/\/old.iupac.org\/publications\/books\/author\/metanomski.html)"]}],"links":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/G02712\/html","json":"https:\/\/goldbook.iupac.org\/terms\/view\/G02712\/json","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/G02712\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/G02712\/plain","pdf":"https:\/\/goldbook.iupac.org\/terms\/view\/G02712\/pdf"},"citation":"Citation: 'Guinier plot' 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.G02712","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":"2024-07-21T01:25:50+00:00"}}