{"id":439784,"date":"2017-08-14T02:00:00","date_gmt":"2017-08-13T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=da57c861c7f86e98b65c8304df69fad5"},"modified":"2017-08-14T02:00:00","modified_gmt":"2017-08-13T23:00:00","slug":"determining-the-40-k-radioactivity-in-rocks-using-x-ray-spectrometry","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=439784","title":{"rendered":"Determining the 40 K radioactivity in rocks using x-ray spectrometry"},"content":{"rendered":"<p>In this paper we propose an experimental method for the determination of potassium-40 ( 40 K)<br \/>\nradioactivity in commercial granite samples using x-ray fluorescence (XRF). The method correlates<br \/>\nthe total potassium concentration (yield) in samples deduced by XRF analysis with the radioactivity<br \/>\nof the sample due to the 40 K radionuclide. This method can be used in an undergraduate student<br \/>\nlaboratory. A brief theoretical background and description of the method, as well as some results<br \/>\nand their interpretation, are presented.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this paper we propose an experimental method for the determination of potassium-40 ( 40 K)<br \/>\nradioactivity in commercial granite samples using x-ray fluorescence (XRF). The method correlates<br \/>\nthe total potassium concentration (yield) in samples deduc&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-439784","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/439784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=439784"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/439784\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=439784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=439784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=439784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}