<?xml version="1.0" encoding="UTF-8"?>
<term>
  <id>08009</id>
  <title>blank indication</title>
  <longtitle>IUPAC Gold Book - blank indication</longtitle>
  <doi>10.1351/goldbook.08009</doi>
  <code>08009</code>
  <status>current</status>
  <definitions>
    <item>
      <id>1</id>
      <text>Indication obtained from a sample of blank material under the measurement conditions for the measurand.</text>
      <notes>
        <item>In VIM 4.2, "background indication" is given as an alternate term for "blank indication". However, in analytical chemistry these terms refer to different concepts.</item>
      </notes>
      <links>
        <item>
          <term>blank material</term>
          <url>https://goldbook.iupac.org//terms/view/08010</url>
        </item>
      </links>
      <sources>
        <item>PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1001 (https://doi.org/10.1515/pac-2019-0819)</item>
      </sources>
    </item>
  </definitions>
  <altoutputs>
    <html>https://goldbook.iupac.org/terms/view/08009/html</html>
    <json>https://goldbook.iupac.org/terms/view/08009/json</json>
    <plain>https://goldbook.iupac.org/terms/view/08009/plain</plain>
  </altoutputs>
  <citation>Citation: 'blank indication' 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.08009</citation>
  <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.</license>
  <collection>If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .</collection>
  <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.</disclaimer>
  <accessed>2026-04-18T23:51:06+00:00</accessed>
</term>
