{"id":352,"date":"2017-08-24T10:28:16","date_gmt":"2017-08-24T08:28:16","guid":{"rendered":"http:\/\/wp.doc-labor.de\/?page_id=352"},"modified":"2018-01-24T16:38:10","modified_gmt":"2018-01-24T14:38:10","slug":"how-lc-ocd-ond-works","status":"publish","type":"page","link":"http:\/\/doc-labor.de\/?page_id=352","title":{"rendered":"How LC-OCD-OND works"},"content":{"rendered":"<p><strong>LC-OCD-OND<\/strong> stands for <strong>L<\/strong>iquid <strong>C<\/strong>hromatography &#8211; <strong>O<\/strong>rganic <strong>C<\/strong>arbon <strong>D<\/strong>etection &#8211; <strong>O<\/strong>rganic <strong>N<\/strong>itrogen <strong>D<\/strong>etection.<\/p>\n<p>Apart from OCD there are more detectors added, a UV-detector at 254nm (UVD) and an organic nitrogen detector (OND).<br \/>\nAs \u201dLC-OCD-UVD-OND\u201d would be too long it is common to use to keep the old name \u201dLC-OCD\u201d.<\/p>\n<div class=\"space_20 clearfix\"><\/div>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_359\" class=\"thumbnail wp-caption aligncenter\" style=\"width: 663px\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-359\" src=\"https:\/\/i0.wp.com\/doc-labor.de\/wp-content\/uploads\/2017\/08\/Flow-Scheme.png?resize=663%2C400\" alt=\"\" width=\"663\" height=\"400\" srcset=\"https:\/\/i0.wp.com\/doc-labor.de\/wp-content\/uploads\/2017\/08\/Flow-Scheme.png?resize=1024%2C618 1024w, https:\/\/i0.wp.com\/doc-labor.de\/wp-content\/uploads\/2017\/08\/Flow-Scheme.png?resize=300%2C181 300w, https:\/\/i0.wp.com\/doc-labor.de\/wp-content\/uploads\/2017\/08\/Flow-Scheme.png?resize=768%2C464 768w, https:\/\/i0.wp.com\/doc-labor.de\/wp-content\/uploads\/2017\/08\/Flow-Scheme.png?w=1143 1143w\" sizes=\"auto, (max-width: 663px) 100vw, 663px\" \/><figcaption class=\"caption wp-caption-text\">Flow scheme of Model 8 system.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>This is, how the system works in general:<\/p>\n<ul>\n<li>Mobile Phase is pre-cleaned by UV-Oxidation in the DOCOX-reactor and pumped to an autosampler and then to the chromatographic column.<\/li>\n<li>The liquid enters the UV-detector (UVD) and then the Organic Carbon Detector (OCD).<\/li>\n<li>A side stream after UVD enters a special capillary UV-lamp (DONOX) and then a 2nd UV-Detector measuring at 220nm.<br \/>\nIn this DONOX-reactor Dissolved Organic Nitrogen (DON) and ammonium is oxidized to nitrate and afterwards determined.<\/li>\n<\/ul>\n<p>You may find further informations for the specific components on the following pages.<br \/>\n<div class=\"space_20 clearfix\"><\/div>\n<!--Buttons--><\/p>\n<div class=\"tcol-lg-3 tcol-md-3 tcol-sm-3 tcol-xs-3 tcol-ss-12 home-iconmenu homeitemcount1\"><a title=\"Organic Carbon Detector\" href=\"http:\/\/doc-labor.de\/?page_id=366\" target=\"_self\"><\/p>\n<h4>Organic Carbon Detector<\/h4>\n<p><\/a>\n<\/div>\n<div class=\"tcol-lg-3 tcol-md-3 tcol-sm-3 tcol-xs-3 tcol-ss-12 home-iconmenu homeitemcount2\"><a title=\"Organic Nitrogen Detector\" href=\"http:\/\/doc-labor.de\/?page_id=376\" target=\"_self\"><\/p>\n<h4>Organic Nitrogen Detector<\/h4>\n<p><\/a>\n<\/div>\n<div class=\"tcol-lg-3 tcol-md-3 tcol-sm-3 tcol-xs-3 tcol-ss-12 home-iconmenu homeitemcount3\"><a title=\"Components overview\" href=\"http:\/\/doc-labor.de\/?page_id=379\" target=\"_self\"><\/p>\n<h4>Components overview<\/h4>\n<p><\/a>\n<\/div>\n<div class=\"tcol-lg-3 tcol-md-3 tcol-sm-3 tcol-xs-3 tcol-ss-12 home-iconmenu homeitemcount4\"><a title=\"Reproducibility informations\" href=\"http:\/\/doc-labor.de\/?page_id=393\" target=\"_self\"><\/p>\n<h4>Reproducibility informations<\/h4>\n<p><\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>LC-OCD-OND stands for Liquid Chromatography &#8211; Organic Carbon Detection &#8211; Organic Nitrogen Detection. Apart from OCD there are more detectors added, a UV-detector at 254nm (UVD) and an organic nitrogen detector (OND). As \u201dLC-OCD-UVD-OND\u201d would be too long it is &hellip; <a href=\"http:\/\/doc-labor.de\/?page_id=352\">Continued<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":19,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":{"footnotes":""},"class_list":["post-352","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P9uTgp-5G","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/pages\/352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/doc-labor.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352"}],"version-history":[{"count":14,"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/pages\/352\/revisions"}],"predecessor-version":[{"id":610,"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/pages\/352\/revisions\/610"}],"up":[{"embeddable":true,"href":"http:\/\/doc-labor.de\/index.php?rest_route=\/wp\/v2\/pages\/19"}],"wp:attachment":[{"href":"http:\/\/doc-labor.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}