{"id":137,"date":"2020-06-12T23:50:56","date_gmt":"2020-06-13T02:50:56","guid":{"rendered":"http:\/\/crc.viskoo.com.br\/?p=137"},"modified":"2026-05-20T08:40:31","modified_gmt":"2026-05-20T11:40:31","slug":"analises-quimicas","status":"publish","type":"post","link":"https:\/\/crceram.com.br\/en\/analises-quimicas\/","title":{"rendered":"Chemical analyses"},"content":{"rendered":"\n<p>Determination of the chemical composition of inorganic samples, carried out predominantly by the X-ray fluorescence technique, which can also be combined with other methodologies, such as atomic absorption, flame photometry and volumetry. In the most conventional routine, the levels are determined, with a detection limit of 100 ppm, of ten chemical elements in the form of oxides (SiO<sub>2<\/sub>, Al<sub>2<\/sub>O<sub>3<\/sub>, Fe<sub>2<\/sub>O<sub>3<\/sub>, TiO<sub>2<\/sub>, CaO, MgO, Na<sub>2<\/sub>O, K<sub>2<\/sub>O, MnO e P<sub>2<\/sub>O<sub>5\u00ad<\/sub>), in addition to the loss on ignition at 1000<sup>o<\/sup>C (P.F.). The routine can be extended and\/or adapted to detect other elements, such as heavy metals (lead, cadmium and others provided for in the RoHS standard), boron (in minerals and vitreous materials), radioactive elements (thorium and uranium), among others.<\/p>\n\n\n\n<p>Check out other analyses carried out by CRC by clicking <a href=\"https:\/\/crceram.com.br\/en\/analises-fisico-quimicas\/\">aqui<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Determination of the chemical composition of inorganic samples, carried out predominantly by the X-ray fluorescence technique, which can also be combined with other methodologies, such as atomic absorption, flame photometry and volumetry. In the most conventional routine, the levels are determined, with a detection limit of 100 ppm, of ten chemical elements in the form [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,445,447],"tags":[380,366,371,372,367,374,379,375,370,369,368,373,378,382,376,377,381],"class_list":["post-137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-analises","category-destaque","category-fisico-quimicas","tag-absorcao-atomica","tag-analise-quimica","tag-analise-quimica-qualitativa","tag-analise-quimica-quantitativa","tag-aq","tag-boro","tag-cadmio","tag-chumbo","tag-composicao-quimica","tag-fluorescencia-de-raios-x","tag-frx","tag-litio","tag-metais-pesados","tag-rohs","tag-torio","tag-uranio","tag-volumetria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chemical analyses &#8226; 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