{"id":12407,"date":"2022-12-14T12:06:45","date_gmt":"2022-12-14T11:06:45","guid":{"rendered":"https:\/\/chesse.org\/etusivu\/"},"modified":"2026-02-13T15:30:38","modified_gmt":"2026-02-13T14:30:38","slug":"etusivu","status":"publish","type":"page","link":"https:\/\/chesse.org\/fi\/","title":{"rendered":"Etusivu"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"12407\" class=\"elementor elementor-12407 elementor-4715\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<main class=\"elementor-section elementor-top-section elementor-element elementor-element-c9a32f0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c9a32f0\" data-element_type=\"section\" data-e-type=\"section\" id=\"sectionpage\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6096097\" data-id=\"6096097\" 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-section elementor-inner-section elementor-element elementor-element-463602a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"463602a\" 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-inner-column elementor-element elementor-element-3bb3cc4\" data-id=\"3bb3cc4\" 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-495ef76 elementor-widget elementor-widget-spacer\" data-id=\"495ef76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9d20ec elementor-widget elementor-widget-heading\" data-id=\"f9d20ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Kemikaaliturvallisuus kemian opetuksessa<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebe38c3 standfirst elementor-widget elementor-widget-text-editor\" data-id=\"ebe38c3\" 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>Tiivistetty\u00e4 ajantasaista tietoa kemikaaliturvallisuudesta kemian opettajille, rehtoreille ja kemian opettajakouluttajille.<\/p><p class=\"visually-hidden\">Verkkosivusto sis\u00e4lt\u00e4\u00e4 kuusi sis\u00e4lt\u00f6teemaa:<\/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<\/div>\n\t\t\t\t<div class=\"elementor-section elementor-inner-section elementor-element elementor-element-1646fad elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1646fad\" 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-33 elementor-inner-column elementor-element elementor-element-9115b04\" data-id=\"9115b04\" 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-11124af subsectionpage taking-charge-section elementor-widget elementor-widget-button\" data-id=\"11124af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/chesse.org\/fi\/velvollisuudet-kaytanteet-ja-koulutus\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Velvollisuudet, k\u00e4yt\u00e4nteet ja koulutus<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-5c37e52\" data-id=\"5c37e52\" 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-ce8e233 subsectionpage risk-section elementor-widget elementor-widget-button\" data-id=\"ce8e233\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/chesse.org\/fi\/riskien-arviointi-ja-korvaaminen\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Riskien arviointi ja korvaaminen<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-002cc69\" data-id=\"002cc69\" 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-94d39d9 subsectionpage labelling-section elementor-widget elementor-widget-button\" data-id=\"94d39d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/chesse.org\/fi\/merkinta-sailytys-ja-jatteenkasittely\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Merkint\u00e4, s\u00e4ilytys ja j\u00e4tteenk\u00e4sittely<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<\/div>\n\t\t\t\t<div class=\"elementor-section elementor-inner-section elementor-element elementor-element-792b91e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"792b91e\" 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-33 elementor-inner-column elementor-element elementor-element-73cafb5\" data-id=\"73cafb5\" 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-eda9264 subsectionpage legislation-section elementor-widget elementor-widget-button\" data-id=\"eda9264\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/chesse.org\/fi\/lainsaadanto\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Lains\u00e4\u00e4d\u00e4nt\u00f6<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-25a5c86\" data-id=\"25a5c86\" 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-5b3c167 subsectionpage green-section elementor-widget elementor-widget-button\" data-id=\"5b3c167\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/chesse.org\/fi\/vihrea-kemia\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Vihre\u00e4 kemia<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-7c4e8b9\" data-id=\"7c4e8b9\" 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-de5ab08 subsectionpage checklists-section elementor-widget elementor-widget-button\" data-id=\"de5ab08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"https:\/\/chesse.org\/fi\/tarkistuslistat-ja-tyokalut\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Tarkistuslistat ja ty\u00f6kalut<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/main>\n\t\t\t\t<div class=\"elementor-section elementor-top-section elementor-element elementor-element-41a1e13 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"41a1e13\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\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-254e466\" data-id=\"254e466\" 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-section elementor-inner-section elementor-element elementor-element-4d0a527 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4d0a527\" 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<section class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d653832\" data-id=\"d653832\" 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-492b8e2 elementor-widget elementor-widget-heading\" data-id=\"492b8e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">P\u00e4ivitykset<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5d3059 elementor-grid-1 elementor-posts--thumbnail-none elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-posts\" data-id=\"c5d3059\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_columns&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10786 page type-page status-publish hentry\" role=\"listitem\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/chesse.org\/fi\/lainsaadanto\/kemikaalien-kayttoa-rajoittava-lainsaadanto\/\" >\n\t\t\t\tKemikaalien k\u00e4ytt\u00f6\u00e4 rajoittava lains\u00e4\u00e4d\u00e4nt\u00f6\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t23.4.2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Kemikaalien rajoitukset perustuvat niiden vaarallisiin ominaisuuksiin tai k\u00e4ytt\u00f6\u00f6n. Table of Contents Kemikaalien rajoitukset Tiettyjen<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10724 page type-page status-publish hentry\" role=\"listitem\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/chesse.org\/fi\/lainsaadanto\/lainsaadanto-kemikaalien-luokituksesta-ja-merkinnoista\/\" >\n\t\t\t\tLains\u00e4\u00e4d\u00e4nt\u00f6 kemikaalien luokituksesta ja merkinn\u00f6ist\u00e4\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t23.4.2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Johdanto EU:n lains\u00e4\u00e4d\u00e4nn\u00f6n mukaiseen kemikaalien luokitukseen ja merkint\u00f6ihin sek\u00e4 k\u00e4ytt\u00f6turvallisuustiedotteisiin. Table of Contents T\u00e4ll\u00e4<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-10782 page type-page status-publish hentry\" role=\"listitem\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/chesse.org\/fi\/lainsaadanto\/katsaus-euroopan-kemikaalilainsaadantoon\/\" >\n\t\t\t\tKatsaus Euroopan kemikaali-lain-s\u00e4\u00e4d\u00e4nt\u00f6\u00f6n\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t13.3.2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Koulujen kemikaaleja koskeva eurooppalainen lains\u00e4\u00e4d\u00e4nt\u00f6. Table of Contents EU:n kemikaalilains\u00e4\u00e4d\u00e4nn\u00f6n yleiset periaatteet Useat EU:n<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6a5c07f\" data-id=\"6a5c07f\" 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-ac2ef5e elementor-widget elementor-widget-text-editor\" data-id=\"ac2ef5e\" 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>Onko sinulla kysytt\u00e4v\u00e4\u00e4 tai palautetta?<br><a href=\"mailto:yhteydenotto@chesse.org\">yhteydenotto@chesse.org<\/a><\/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<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Kemikaaliturvallisuus kemian opetuksessa Tiivistetty\u00e4 ajantasaista tietoa kemikaaliturvallisuudesta kemian opettajille, rehtoreille ja kemian opettajakouluttajille. Verkkosivusto sis\u00e4lt\u00e4\u00e4 kuusi sis\u00e4lt\u00f6teemaa: Velvollisuudet, k\u00e4yt\u00e4nteet ja koulutus Riskien arviointi ja korvaaminen Merkint\u00e4, s\u00e4ilytys ja j\u00e4tteenk\u00e4sittely Lains\u00e4\u00e4d\u00e4nt\u00f6 Vihre\u00e4 kemia Tarkistuslistat ja ty\u00f6kalut P\u00e4ivitykset Onko sinulla kysytt\u00e4v\u00e4\u00e4 tai palautetta?yhteydenotto@chesse.org<\/p>\n","protected":false},"author":43,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-12407","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Etusivu &#8211; Chemical Safety in Science Education<\/title>\n<meta name=\"description\" content=\"Tiivistetty\u00e4 ajantasaista tietoa kemikaaliturvallisuudesta kemian opettajille, rehtoreille ja kemian opettajakouluttajille.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chesse.org\/fi\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kemikaaliturvallisuus kemian opetuksessa\" \/>\n<meta property=\"og:description\" content=\"Tiivistetty\u00e4 ajantasaista tietoa kemikaaliturvallisuudesta kemian opettajille, rehtoreille ja kemian opettajakouluttajille.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/chesse.org\/fi\/\" \/>\n<meta property=\"og:site_name\" content=\"Chemical Safety in Science Education\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-13T14:30:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/chesse.org\/wp-content\/uploads\/2022\/06\/chesse-sharing-1024x538.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Kemikaaliturvallisuus kemian opetuksessa\" \/>\n<meta name=\"twitter:description\" content=\"Tiivistetty\u00e4 ajantasaista tietoa kemikaaliturvallisuudesta kemian opettajille, rehtoreille ja kemian opettajakouluttajille.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/chesse.org\/wp-content\/uploads\/2022\/06\/chesse-sharing-1024x538.png\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/chesse.org\\\/fi\\\/\",\"url\":\"https:\\\/\\\/chesse.org\\\/fi\\\/\",\"name\":\"Etusivu &#8211; 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