{"id":1663,"date":"2023-07-23T18:06:11","date_gmt":"2023-07-23T18:06:11","guid":{"rendered":"https:\/\/volleyballvnl.com\/?p=1663"},"modified":"2023-07-23T18:06:11","modified_gmt":"2023-07-23T18:06:11","slug":"positive-material-identification-test-pmi-3","status":"publish","type":"post","link":"https:\/\/volleyballvnl.com\/?p=1663","title":{"rendered":"Positive material identification test (PMI)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The positive material identification test \u2013 PMI test \u2013 serves as a proof of the alloying constituents present in the material, confirming the melting analysis of the material contained in the 3.1 certificate.<br\/>There are two different test procedures common for thermowells:<br\/>PMI test: X-ray fluorescence analysis of the thermowell stem<br\/>1. PMI test: X-ray fluorescence analysis (XRF)<br\/>X-ray fluorescence analysis uses X-rays to stimulate the atoms of the thermowell material to produce natural radiation, without damaging the surface of the metal.  <a href=\"http:\/\/speedhuntersonline.com\">Best<\/a>  and intensity of the emitted radiation is, in turn, a measure of the alloy\u2019s constituent elements and their concentration.<br\/>PMI test: Spectrographic analysis on a WIKA model TW10 flange thermowell<br\/>2. PMI test: Spectrographic analysis (OES)<br\/>With spectrographic analysis (\u201cOptical Emission Spectroscopy\u201d), an arc is generated between the thermowell surface and a tungsten electrode in the test instrument, and the spectrum of this arc enables the alloy\u2019s elements to be identified \u2013 both qualitatively and quantitatively.<br\/>For the OES, it does leave a characteristic burn mark of approx. 5 mm diameter on the workpiece.<br\/>Burn mark from the arc on a workpiece<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The positive material identification test \u2013 PMI test \u2013 serves as a proof of the alloying constituents present in the material, confirming the melting analysis of the material contained in the 3.1 certificate.There are two different test procedures common for thermowells:PMI test: X-ray fluorescence analysis of the thermowell stem1. PMI test: X-ray fluorescence analysis (XRF)X-ray [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1663","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=\/wp\/v2\/posts\/1663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1663"}],"version-history":[{"count":1,"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=\/wp\/v2\/posts\/1663\/revisions"}],"predecessor-version":[{"id":1664,"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=\/wp\/v2\/posts\/1663\/revisions\/1664"}],"wp:attachment":[{"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/volleyballvnl.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}