{"type":"rich","version":"1.0","width":854,"height":854,"title":"Tungmetaller og lettmetaller","html":"<iframe aria-label=\"Tungmetaller og lettmetaller\" src=\"https://ndla.no/article-iframe/nb/urn:resource:1:195120/10369\" height=\"854\" width=\"854\" allowfullscreen=\"\" style=\"border: none;\" />","iframeSrc":"https://ndla.no/article-iframe/nb/urn:resource:1:195120/10369"}