08578 IUPAC Gold Book - Christiansen filter 10.1351/goldbook.08578 08578 current 1 Optical filter based on the Christiansen effect. Such filters have been made from quartz particles in air, immersed in \(\ce{CCl4}\), or immersed in mixtures of \(\ce{CCl4}\) and \(\ce{CS2}\). Christiansen effect https://goldbook.iupac.org//terms/view/08577 PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 740 (https://doi.org/10.1515/pac-2019-0203) https://goldbook.iupac.org/terms/view/08578/html https://goldbook.iupac.org/terms/view/08578/json https://goldbook.iupac.org/terms/view/08578/plain Citation: 'Christiansen filter' 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.08578 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-08-04T03:34:53+00:00