1.0Labor für Rückstandsanalytik Bremen GmbHhttps://www.lr-bremen.de/en/neueseitenhttps://www.lr-bremen.de/en/author/neueseiten/Proficiency testing - Labor für Rückstandsanalytik Bremen GmbHrich600338<blockquote class="wp-embedded-content" data-secret="PDf8s4sgFE"><a href="https://www.lr-bremen.de/en/quality-assurance/proficiency-testing/">Proficiency testing</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.lr-bremen.de/en/quality-assurance/proficiency-testing/embed/#?secret=PDf8s4sgFE" width="600" height="338" title="“Proficiency testing” — Labor für Rückstandsanalytik Bremen GmbH" data-secret="PDf8s4sgFE" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/* <![CDATA[ */
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
/* ]]> */
</script>
Proficiency tests are laboratory comparison tests, in which many laboratories take part to compare and validate their methods. Since more than 20 years we regularly take part in proficiency tests to ensure the quality of our analyses.