{"id":3568,"date":"2020-11-06T00:29:33","date_gmt":"2020-11-06T00:29:33","guid":{"rendered":"https:\/\/dana.ggiants.de\/glossary\/nanomaterial\/"},"modified":"2022-10-10T11:30:16","modified_gmt":"2022-10-10T09:30:16","slug":"nanomaterial","status":"publish","type":"glossary","link":"https:\/\/nanopartikel.info\/en\/glossar\/nanomaterial\/","title":{"rendered":"Nanomaterial"},"content":{"rendered":"<p>The European Commission updated the common definition of the term &ldquo;<span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Nanomaterial&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The European Commission updated the common definition of the term &amp;quot;nanomaterial&amp;quot; in 2022:&amp;lt;br \/&amp;gt;&lsquo;Nanomaterial&rsquo; means a natural, incidental or manufactured material consisting of solid particles that are present, either on their own or as identifiable constituent particles in aggregates or agglomerates, and where 50% or more of these particles in the number-based size distribution fulfil at least one of the following conditions:\n&amp;lt;ol&amp;gt;\n \t&amp;lt;li&amp;gt;one or more external dimensions of the particle are in the size range 1 nm to 100 nm;&amp;lt;\/li&amp;gt;\n \t&amp;lt;li&amp;gt;the particle has an elongated shape, such as a rod, fibre or tube, where two external dimensions are smaller than 1 nm and the other dimension is larger than 100 nm;&amp;lt;\/li&amp;gt;\n \t&amp;lt;li&amp;gt;the particle has a plate-like shape, where one external dimension is smaller than 1 nm and the other dimensions are larger than 100 nm.&amp;lt;\/li&amp;gt;\n \t&amp;lt;li&amp;gt;In the determination of the particle number-based size distribution, particles with at least two orthogonal external dimensions larger than 100 &mu;m need not be considered.&amp;lt;\/li&amp;gt;\n&amp;lt;\/ol&amp;gt;\nHowever, a material with a specific surface area by volume of &amp;lt; 6 m&amp;lt;sup&amp;gt;2&amp;lt;\/sup&amp;gt;\/cm&amp;lt;sup&amp;gt;3&amp;lt;\/sup&amp;gt; shall not be considered a nanomaterial.&amp;lt;br \/&amp;gt;https:\/\/ec.europa.eu\/environment\/chemicals\/nanotech\/pdf\/C_2022_3689_1_EN_ACT_part1_v6.pdf&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>nanomaterial<\/span>&rdquo; in 2022:<\/p>\n<p>&lsquo;Nanomaterial&rsquo; means a natural, incidental or manufactured material consisting of solid particles that are present, either on their own or as identifiable constituent particles in <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Aggregates&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Solidly bound or molten particles, whose resulting surface may be much smaller than the sum of the calculated surfaces of the individual components. Aggregates are held together by strong forces such as covalent bonds or forces caused by sintering or complex physical hooking. Aggregates, just as agglomerates, are referred to as secondary particles. See also ISO\/TS 27687:2008 (E) International Organization for Standardization.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>aggregates<\/span> or <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Agglomerates&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Accumulations of weakly bound particles or aggregates or of compounds of these, whose resulting surfaces are similar to the sum of surfaces of the individual components. Agglomerates are held together by weak forces, for example Van der Waals forces or simple physical hooks. Agglomerates are referred to as secondary particles, while the unbound particles are known as primary particles. See alsoDIN CEN ISO\/TS 80004-2:2017-09, International Organization for Standardization.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>agglomerates<\/span>, and where 50% or more of these particles in the number-based size distribution fulfil at least one of the following conditions:<\/p>\n<ol>\n<li>one or more external dimensions of the particle are in the size range 1 nm to 100 nm;<\/li>\n<li>the particle has an elongated shape, such as a rod, fibre or tube, where two external dimensions are smaller than 1 nm and the other dimension is larger than 100 nm;<\/li>\n<li>the particle has a plate-like shape, where one external dimension is smaller than 1 nm and the other dimensions are larger than 100 nm.<\/li>\n<li>In the determination of the particle number-based size distribution, particles with at least two orthogonal external dimensions larger than 100 &mu;m need not be considered.<\/li>\n<\/ol>\n<p>However, a material with a specific surface area by volume of &lt; 6 m<sup>2<\/sup>\/cm<sup>3<\/sup> shall not be considered a nanomaterial.<\/p>\n<p><a href=\"https:\/\/ec.europa.eu\/environment\/chemicals\/nanotech\/pdf\/C_2022_3689_1_EN_ACT_part1_v6.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/ec.europa.eu\/environment\/chemicals\/nanotech\/pdf\/C_2022_3689_1_EN_ACT_part1_v6.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The European Commission updated the common definition of the term &#8220;nanomaterial&#8221; in 2022: \u2018Nanomaterial\u2019 means a natural, incidental or manufactured material consisting of solid particles that are present, either on their own or as identifiable constituent particles in aggregates or agglomerates, and where 50% or more of these particles in the number-based size distribution fulfil [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"menu_order":0,"template":"","meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary\/3568"}],"collection":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":7,"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary\/3568\/revisions"}],"predecessor-version":[{"id":19738,"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary\/3568\/revisions\/19738"}],"wp:attachment":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/media?parent=3568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}