{"id":23085,"date":"2024-05-17T16:47:08","date_gmt":"2024-05-17T14:47:08","guid":{"rendered":"https:\/\/mantra.thinkingship.de\/glossar\/surface-charge\/"},"modified":"2024-05-17T16:47:08","modified_gmt":"2024-05-17T14:47:08","slug":"surface-charge","status":"publish","type":"glossary","link":"https:\/\/materialneutral.info\/en\/glossary\/surface-charge\/","title":{"rendered":"Surface charge"},"content":{"rendered":"<p>Is the electric charge present at the interface of the <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_29fd131a0d512eb1f0aa4ee91141bd26\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">nanoparticle<\/span> surface with a polar fluid such as water. The water contains positive and negative ions, which interact with the particle surface. If the number of adsorbed e.g. positive ions exceeds the number of negative ions, <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c1f115374741c2ff4d5b7d50d02632a3\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">surface charge<\/span> would be positive. Since direct measurement of the surface charge of particles measured is difficult, the <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b64fb14cce0fe0ef61f4c27adae9d8ae\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">zeta potential<\/span> is calculated as a proxy for the surface charge.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Is the electric charge present at the interface of the nanoparticle surface with a polar fluid such as water. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-23085","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Surface charge - MANTRA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/materialneutral.info\/en\/glossary\/surface-charge\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Surface charge - MANTRA\" \/>\n<meta property=\"og:description\" content=\"Is the electric charge present at the interface of the nanoparticle surface with a polar fluid such as water. 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