{"term":{"id":"03286","title":"isokinetic sampling","longtitle":"IUPAC Gold Book - isokinetic sampling","doi":"10.1351\/goldbook.I03286","code":"I03286","status":"current","definitions":[{"id":1,"text":"A technique for collecting airborne particulate in which the sampling device has a collection efficiency of unity for all sizes of particles in sampled air, regardless of wind velocity and direction of the instrument. The air stream entering the collector has a velocity (speed and direction) equal to that of the air in the gas stream just ahead of the sampling port of the collector.","contexts":[],"links":[{"term":"collection","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/C01148"}],"sources":["PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2198 (https:\/\/doi.org\/10.1351\/pac199062112167)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/I03286\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/I03286\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/I03286\/plain"},"citation":"Citation: 'isokinetic sampling' 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.I03286","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":"2026-04-19T03:51:01+00:00"}}