{"id":43378,"date":"2026-06-13T09:01:29","date_gmt":"2026-06-13T00:01:29","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/06\/13\/43378\/"},"modified":"2026-06-13T09:01:29","modified_gmt":"2026-06-13T00:01:29","slug":"%eb%b6%84%ec%84%9d%ed%99%94%ed%95%99%ec%8b%a4%ed%97%98-%ea%b2%b0%ea%b3%bc%eb%b3%b4%ea%b3%a0%ec%84%9c%eb%ac%bc%ec%9d%98-%ea%b2%bd%eb%8f%84-edta%ec%b0%a9%ed%99%94%eb%ac%bc-%ed%98%95%ec%84%b1","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/06\/13\/43378\/","title":{"rendered":"[\ubd84\uc11d\ud654\ud559\uc2e4\ud5d8 \uacb0\uacfc\ubcf4\uace0\uc11c]\ubb3c\uc758 \uacbd\ub3c4 EDTA\ucc29\ud654\ubb3c \ud615\uc131"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumbnail\/2024\/06\/22\/data30041109-0001.jpg\"><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumbnail\/2024\/06\/22\/data30041109-0002.jpg\"><\/p>\n<p><strong>\ubaa9\ucc28<\/strong><\/p>\n<p>\uc2e4\ud5d8 \uacb0\uacfc<br \/>\n\uc2e4\ud5d8 \uace0\ucc30<br \/>\n\ucc38\uace0 \ubb38\ud5cc<\/p>\n<p><strong>\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n<p>MgY2- + Ca2+ \u2192 Mg2+ + CaY2-<br \/>\n\ubd89\uc740\uc0c9              \ud30c\ub780\uc0c9<br \/>\nEDTA\uc6a9\uc561\uc758 \ud45c\uc900\ud654 \uc801\uc815\ub7c9\t25.4ml<br \/>\n\uc2dc\ub8cc \ubb3c(\uc218\ub3d7\ubb3c) EDTA \uc801\uc815\ub7c9\t4.7ml<\/p>\n<p>1. 0.01M EDTA \ud45c\uc900\uc561\uc758 titer<br \/>\nCaCO3 25mL\uc5d4 25mg\uc774 \ub4e4\uc5b4\uc788\uc73c\ubbc0\ub85c<br \/>\n(25\u00d710^(-3) g)\/(100.09g\/mol) = 2.498\u00d710^(-4)mol<br \/>\n1:1\ubc18\uc751\uc774\uace0 EDTA\ud45c\uc900\uc6a9\uc561\uc73c\ub85c 25.4mL\uc801\uc815\ud558\uc600\uc73c\ubbc0\ub85c EDTA\uc758 \ub18d\ub3c4\ub294<br \/>\n(2.498\u00d710^(-4) mol)\/0.0254L = 0.00983M<br \/>\n2. 0.01M EDTA \ud45c\uc900\uc6a9\uc561\uc758 \uc18c\ube44\ub41c \ubd80\ud53c: 4.7ml<br \/>\n3. \ubb3c\uc758 \uacbd\ub3c4(CaCO3 ppm: mg\/L)<br \/>\n1:1\ubc18\uc751\uc774\ubbc0\ub85c CaCO3\uc758 \ubab0\uc218 = 0.00983M\u00d70.0047L = 0.0462mmol<\/p>\n<p>\ucd9c\ucc98 : <a href=\"https:\/\/www.happycampus.com\/report-doc\/30041109\/\" target=\"_blank\">\ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 \uc2e4\ud5d8 \uacb0\uacfc \uc2e4\ud5d8 \uace0\ucc30 \ucc38\uace0 \ubb38\ud5cc \ubcf8\ubb38\ub0b4\uc6a9 MgY2- + Ca2+ \u2192 Mg2+ + CaY2- \ubd89\uc740\uc0c9 \ud30c\ub780\uc0c9 EDTA\uc6a9\uc561\uc758 \ud45c\uc900\ud654 \uc801\uc815\ub7c9 25.4ml \uc2dc\ub8cc \ubb3c(\uc218\ub3d7\ubb3c) EDTA \uc801\uc815\ub7c9 4.7ml 1. 0.01M EDTA \ud45c\uc900\uc561\uc758 titer CaCO3 25mL\uc5d4 25mg\uc774 \ub4e4\uc5b4\uc788\uc73c\ubbc0\ub85c (25\u00d710^(-3) g)\/(100.09g\/mol) = 2.498\u00d710^(-4)mol 1:1\ubc18\uc751\uc774\uace0 EDTA\ud45c\uc900\uc6a9\uc561\uc73c\ub85c 25.4mL\uc801\uc815\ud558\uc600\uc73c\ubbc0\ub85c EDTA\uc758 \ub18d\ub3c4\ub294 (2.498\u00d710^(-4) mol)\/0.0254L = 0.00983M 2. 0.01M EDTA \ud45c\uc900\uc6a9\uc561\uc758 \uc18c\ube44\ub41c \ubd80\ud53c: 4.7ml [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[18229,39080,53965,5953],"class_list":{"0":"post-43378","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-a--","8":"tag-edta","10":"tag-5953"},"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/43378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=43378"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/43378\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=43378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=43378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=43378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}