{"id":15727,"date":"2025-11-30T12:00:13","date_gmt":"2025-11-30T11:00:13","guid":{"rendered":"https:\/\/www.rjl-microanalytic.de\/?p=15727"},"modified":"2025-11-06T15:32:26","modified_gmt":"2025-11-06T14:32:26","slug":"zur-adventszeit-ein-tannenzweiglein-aus-kupfervitriol","status":"publish","type":"post","link":"https:\/\/www.rjl-microanalytic.de\/en\/zur-adventszeit-ein-tannenzweiglein-aus-kupfervitriol\/","title":{"rendered":"A small fir branch made of copper sulfate for Advent"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15727\" class=\"elementor elementor-15727\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1defb99 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1defb99\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-054b5c4\" data-id=\"054b5c4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3fbf82f elementor-widget elementor-widget-text-editor\" data-id=\"3fbf82f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We wish you and your families a merry and blessed Christmas and a happy New Year 2026.<\/p><p><strong>Please note that our testing laboratory will be closed from December 24, 2025 to January 6, 2026 and our office will only be available to a limited extent during this time.<\/strong><\/p><p>This beautiful particle, shaped like a small fir twig, originates from a washing system used for industrial parts cleaning. SEM-EDX analysis revealed that its shape resulted from the crystal growth of copper sulfate (copper vitriol).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Please note that our testing laboratory will be closed from December 24, 2025 to January 6, 2026 and our office will only be available to a limited extent during this time.<\/p>","protected":false},"author":1,"featured_media":15728,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[65],"class_list":["post-15727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rjl-firmennachrichten","tag-weihnachtsgruesse"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Bitte beachten Sie, dass unser Pr\u00fcflabor vom 24.12.2025 bis 06.01.2026 geschlossen ist und unser Sekretariat in dieser Zeit nur eingeschr\u00e4nkt erreichbar ist.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Markus J. 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