{"id":369,"date":"2018-07-18T20:35:00","date_gmt":"2018-07-19T03:35:00","guid":{"rendered":""},"modified":"2020-06-23T11:50:56","modified_gmt":"2020-06-23T18:50:56","slug":"369","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/369","title":{"rendered":"Where do I get pH or ORP Storage Solution? (Buffer Storage Solution)"},"content":{"rendered":"<p>We carry pH\/ORP Storage Solution with buffer preservative (mold inhibitor) added. Each bottle contains 500 mL of pH\/ORP Storage Solution. We sell this as <a href=\"\/product\/ph-storage-solution\/\">pH Storage Solution<\/a> (<nobr>PH-SS<\/nobr>).<\/p>\n<p>If you wish to prepare your own storage solution, you can do so by adding 10g of solid potassium chloride (KCl) to 100 mL of a buffer pH 4 solution. It is also a good idea to add some buffer preservative (add 3 drops preservative\/100 mLs solution). The preservative can be purchased from Flinn Scientific (1-800-452-1261) if needed (order code B0175, 60-mL bottle). We currently ship our electrodes in a buffer storage solution that already has Buffer Preservative added to it.<\/p>\n<p>If you do not have pH 4 buffer solution, we do offer <a href=\"\/product\/ph-buffer-capsule-kit\/\">pH Buffer Capsule Kit<\/a> (<nobr>PH-BUFCAP<\/nobr>). If you don&#8217;t have this available, you can prepare your own pH 4 buffer using the following recipe: Add 2.0 mL of 0.1 M HCl to 1000 mL of 0.1 M potassium hydrogen phthalate.<\/p>","protected":false},"excerpt":{"rendered":"<p>We carry pH\/ORP Storage Solution with buffer preservative (mold inhibitor) added. Each bottle contains 500 mL of pH\/ORP Storage Solution. We sell this as &#8230;.<\/p>\n","protected":false},"author":11015,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[290,289,292,294,295,293,291],"class_list":["post-369","post","type-post","status-publish","format-standard","hentry","tag-buffer","tag-ph-buffer","tag-ph-electrode","tag-ph-bta","tag-ph-ss","tag-phss","tag-storage-solution"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/11015"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=369"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/369\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}