{"term":{"id":"04731","title":"polygranular graphite","longtitle":"IUPAC Gold Book - polygranular graphite","doi":"10.1351\/goldbook.P04731","code":"P04731","status":"current","definitions":[{"id":1,"text":"A graphite material composed of grains which can be clearly distinguished by means of optical microscopy.","notes":{"1":"From the viewpoint of crystallinity, a polygranular graphite is always a polycrystalline graphite but not vice versa. Most industrial graphite materials are polygranular. Monogranular materials consist mostly of non-graphitic carbon, such materials are called monolithic or agranular carbons."},"links":[{"term":"agranular carbons","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/A00188"},{"term":"crystallinity","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/C01433"},{"term":"graphite","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/G02684"},{"term":"graphite material","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/G02687"},{"term":"non-graphitic carbon","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/N04193"},{"term":"polycrystalline graphite","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/P04723"}],"sources":["PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 501 (https:\/\/doi.org\/10.1351\/pac199567030473)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/P04731\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/P04731\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/P04731\/plain"},"citation":"Citation: 'polygranular graphite' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.P04731","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":"2026-04-19T05:42:14+00:00"}}