{"id":4606,"date":"2020-02-29T16:28:21","date_gmt":"2020-02-29T20:28:21","guid":{"rendered":"http:\/\/www.bumc.bu.edu\/citylab\/?p=4606"},"modified":"2020-10-02T12:27:39","modified_gmt":"2020-10-02T16:27:39","slug":"february-scholars-session-2020","status":"publish","type":"post","link":"https:\/\/www.bumc.bu.edu\/citylab\/2020\/02\/29\/february-scholars-session-2020\/","title":{"rendered":"February Scholars Session 2020"},"content":{"rendered":"<h3><\/h3>\n<h3>Column Chromatography<\/h3>\n<p><span id=\"m_-3597169276031071372gmail-docs-internal-guid-593f2c69-7fff-c000-3065-56da38da9c8b\"><span>Column Chromatography is <\/span><span>a technique that uses a long, transparent tube or column to separate the different chemicals in a mixture or solution.\u00a0 <\/span><\/span><span id=\"m_-3597169276031071372gmail-docs-internal-guid-74a76304-7fff-c478-e94c-a61162e60791\"><span>For this lab, we used this chromatography technique to separate the two food dyes found in grape soda<\/span><\/span><span id=\"m_-3597169276031071372gmail-docs-internal-guid-74a76304-7fff-c478-e94c-a61162e60791\"><span>.<\/span><\/span><span id=\"m_-3597169276031071372gmail-docs-internal-guid-cb278a7b-7fff-34b8-966b-e3feb3b7742c\"><span>\u00a0<\/span><\/span><span id=\"m_-3597169276031071372gmail-docs-internal-guid-1703ff26-7fff-937d-0d99-da3267cf0b2d\"><span>In this experiment, students used <\/span><span>nonpolar<\/span><span> (hydrophobic) <\/span><span>Space Sand<\/span><span>, which interacted with and grabbed onto other nonpolar chemicals from the grape soda in their chromatography columns.\u00a0 Based on the differences in chemical properties, the interaction between the sand and grape soda caused the colors to separate.\u00a0\u00a0<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Column Chromatography Column Chromatography is a technique that uses a long, transparent tube or column to separate the different chemicals in a mixture or solution.\u00a0 For this lab, we used this chromatography technique to separate the two food dyes found in grape soda.\u00a0In this experiment, students used nonpolar (hydrophobic) Space Sand, which interacted with and [&hellip;]<\/p>\n","protected":false},"author":15428,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/posts\/4606"}],"collection":[{"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/users\/15428"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/comments?post=4606"}],"version-history":[{"count":5,"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/posts\/4606\/revisions"}],"predecessor-version":[{"id":4699,"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/posts\/4606\/revisions\/4699"}],"wp:attachment":[{"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/media?parent=4606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/categories?post=4606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/citylab\/wp-json\/wp\/v2\/tags?post=4606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}