{"id":27886,"date":"2015-08-03T14:07:42","date_gmt":"2015-08-03T18:07:42","guid":{"rendered":"http:\/\/libapps.libraries.uc.edu\/liblog\/?p=27886"},"modified":"2015-08-03T15:53:43","modified_gmt":"2015-08-03T19:53:43","slug":"the-youden-ph-meter-notes-from-the-oesper-collections-no-33-julyaugust-2015","status":"publish","type":"post","link":"https:\/\/libapps.libraries.uc.edu\/liblog\/2015\/08\/the-youden-ph-meter-notes-from-the-oesper-collections-no-33-julyaugust-2015\/","title":{"rendered":"The Youden pH Meter : Notes from the Oesper Collections, No. 33, July\/August 2015"},"content":{"rendered":"<div id=\"attachment_27890\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-content\/uploads\/2015\/08\/pH-meter.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-27890\" class=\"size-medium wp-image-27890\" src=\"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-content\/uploads\/2015\/08\/pH-meter-300x167.jpg\" alt=\"Our recently acquired Youden null-point pH meter. The Moir electrode system, minus one of the salt bridges, is to the left and a circa 1940 bottle of quinhydrone is displayed between it and the meter.\" width=\"300\" height=\"167\" srcset=\"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-content\/uploads\/2015\/08\/pH-meter-300x167.jpg 300w, https:\/\/libapps.libraries.uc.edu\/liblog\/wp-content\/uploads\/2015\/08\/pH-meter-155x86.jpg 155w, https:\/\/libapps.libraries.uc.edu\/liblog\/wp-content\/uploads\/2015\/08\/pH-meter.jpg 338w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-27890\" class=\"wp-caption-text\">Our recently acquired Youden null-point pH meter. The Moir electrode system, minus one of the salt bridges, is to the left and a circa 1940 bottle of quinhydrone is displayed between it and the meter<strong>.<\/strong><\/p><\/div>\n<p><a href=\"https:\/\/drc.libraries.uc.edu\/handle\/2374.UC\/745034\">Issue 33<\/a> describes a recently acquired compact pH meter from the 1940s that uses a quinhydrone electrode, rather than either a hydrogen electrode or a standard glass electrode.<\/p>\n<p><a href=\"http:\/\/digital.libraries.uc.edu\/oesper\/\">Click here<\/a> for all other issues of Notes from\u00a0The Oesper Collections and to explore the Jensen-Thomas Apparatus Collection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Issue 33 describes a recently acquired compact pH meter from the 1940s that uses a quinhydrone electrode, rather than either a hydrogen electrode or a standard glass electrode. Click here for all other issues of Notes from\u00a0The Oesper Collections and &hellip; <a href=\"https:\/\/libapps.libraries.uc.edu\/liblog\/2015\/08\/the-youden-ph-meter-notes-from-the-oesper-collections-no-33-julyaugust-2015\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":459,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[317,68,13],"tags":[496],"class_list":["post-27886","post","type-post","status-publish","format-standard","hentry","category-chembio","category-digital-collections","category-uclibraries","tag-oesper-museum-notes"],"_links":{"self":[{"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/posts\/27886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/users\/459"}],"replies":[{"embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/comments?post=27886"}],"version-history":[{"count":0,"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/posts\/27886\/revisions"}],"wp:attachment":[{"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/media?parent=27886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/categories?post=27886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/libapps.libraries.uc.edu\/liblog\/wp-json\/wp\/v2\/tags?post=27886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}