{"id":3311,"date":"2025-05-08T09:02:27","date_gmt":"2025-05-08T00:02:27","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/05\/08\/3311\/"},"modified":"2025-05-08T09:02:27","modified_gmt":"2025-05-08T00:02:27","slug":"%ec%84%9c%ea%b0%95%eb%8c%80-%eb%b6%84%ec%84%9d%ed%99%94%ed%95%99%ec%8b%a4%ed%97%98-a-%eb%a0%88%ed%8f%ac%ed%8a%b8-exp7-edta-titration-of-ca2-and-mg2-in-tap-water-milk","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/05\/08\/3311\/","title":{"rendered":"[\uc11c\uac15\ub300 \ubd84\uc11d\ud654\ud559\uc2e4\ud5d8 A+ \ub808\ud3ec\ud2b8] Exp7. EDTA Titration of Ca2+ and Mg2+ in Tap Water & Milk"},"content":{"rendered":"

<\/p>\n

\ubaa9\ucc28<\/strong><\/p>\n

\u2160. Title
\n\u2161. Purpose
\n\u2162. Theory
\n\u2163. Reagents & Apparatus
\n\u2164. Procedure
\n\u2165. Data & Results
\n\u2166. Discussion
\n\u2167. Reference<\/p>\n

\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n

\u2160. Title
\nEDTA Titration of Ca2+ and Mg2+ in Tap Water & Milk<\/p>\n

\u2161. Purpose
\nMultidentate ligand \uc911 \ud558\ub098\uc778 EDTA\uc758 \ud654\ud559\uc801 \uc131\uc9c8\uacfc \uad6c\uc870\ub85c\ubd80\ud130 EDTA\uc640 metal ion\uacfc\uc758 \ucc29\ubb3c \ud615\uc131\uc5d0 \ub300\ud55c \uae30\ubcf8 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\uace0, complexometric titration\uc744 \uc774\uc6a9\ud558\uc5ec \uc6b0\uc720\uc640 tap water\uc5d0 \ub4e4\uc5b4\uc788\ub294 multivalent \uae08\uc18d \uc774\uc628\uc778 Ca2+\uc640 Mg2+ \ub18d\ub3c4\ub97c \uad6c\ud55c\ub2e4. \uac01 \uae08\uc18d \uc774\uc628\uc758 Kf \uac12, pH\uc5d0 \ub530\ub978 Kf\u2019\uc744 \uacc4\uc0b0\ud558\uace0, pH \ubcc0\ud654\uc5d0 \ub530\ub978 \uce68\uc804\uc5d0 \ub300\ud574\uc11c \uc774\ud574\ud55c\ub2e4. <\/p>\n

\u2162. Theory
\n1. \ucc29 \uc5fc \uc801\uc815(complexometric titration)
\n\ucc29-\uc5fc \uc801\uc815\uc740 \uc801\uc815 \ubc29\ubc95 \uc911 \ud55c \uc885\ub958\ub85c, \uc815\ub7c9 \ubd84\uc11d\ubc95\uc774\ub2e4. \ucc29-\uc5fc \uc801\uc815\uc758 \uc885\ub9d0\uc810 \ud310\ubcc4 \ubc29\ubc95\uc740 \ucc29\ubb3c \ud615\uc131\uc5d0 \uadfc\uac70\ud574 \ud310\ub2e8\ud55c\ub2e4. \ub9cc\uc57d \uc2dc\ub8cc \uc548\uc5d0 \uae08\uc18d \uc774\uc628\uc774 \uc5ec\ub7ec \uc885\ub958 \ub179\uc544 \uc788\ub294 \uacbd\uc6b0 \uac01 \uae08\uc18d\ub9c8\ub2e4 \ub2e4\ub978 \ucc29-\uc5fc\uc744 \ub9cc\ub4e4\uae30\uc5d0 \ucc29-\uc5fc \uc801\uc815\ubc95\uc744 \uc0ac\uc6a9\ud558\ub294 \ud3b8\uc774 \uc88b\ub2e4. \ucc29-\uc5fc \uc801\uc815 \uc9c0\uc2dc\uc57d\uc740 \uc5ec\ud0c0 \uc9c0\uc2dc\uc57d\uacfc \uac19\uc774 \uc0c9\uc758 \ubcc0\ud654\uac00 \uc815\ud655\ud558\uace0 \ub69c\ub837\ud574\uc57c \ud55c\ub2e4. \ucc29-\uc5fc \uc801\uc815 \uc0ac\uc6a9\uc774 \uc801\ud569\ud558\ub824\uba74 \ubc18\uc751\uc774 \ud3c9\ud615\uc5d0 \ube60\ub974\uac8c \ub3c4\ub2ec\ud574\uc57c \ud558\uace0, \ud0c0 \uc774\uc628\uacfc\uc758 \ubc18\uc751\uc740 \ud558\uc9c0 \uc54a\uc744\uc218\ub85d \uc88b\ub2e4. \ub530\ub77c\uc11c \ucc29\ubb3c\uc758 \uc548\uc815\ub3c4 \uc0c1\uc218(stability constant) \uac00 \ud074\uc218\ub85d \ub2f9\ub7c9\uc810 \uadfc\ucc98\uc5d0\uc11c\uc758 \ub18d\ub3c4\uac00 \uae09\uaca9\ud788 \ubcc0\ud654\ud574, \uc885\ub9d0\uc810\uc744 \uc815\ud655\ud788 \uc54c\uc544\ub0bc \uc218 \uc788\ub2e4. <\/p>\n

2. \ub9ac\uac04\ub4dc(ligand)
\n\ub9ac\uac04\ub4dc\ub294 \ucc29 \ud654\ud569\ubb3c\uc5d0\uc11c \uc911\uc2ec\uc6d0\uc790\ub97c \ub458\ub7ec\uc2f8\ub294 \ubb3c\uc9c8\ub85c, \uc911\uc2ec \uc6d0\uc790\uc5d0 \uacb0\ud569\ub418\uc5b4 \uc788\ub294 \uc774\uc628 \ub610\ub294 \ubd84\uc790\ub97c \ub73b\ud55c\ub2e4. \ub9ac\uac04\ub4dc\ub294 \ube44\uacf5\uc720 \uc804\uc790\uc30d\uc744 \uc0ac\uc6a9\ud574 \uc911\uc2ec \uc6d0\uc790\uc640\uc758 \ubc30\uc704 \uacb0\ud569\uc744 \ub9cc\ub4e4\uba70 \uc911\uc2ec \uc6d0\uc790\uc640 \uacb0\ud569\uc744 \uc774\ub8ec\ub2e4. \uc911\uc2ec\uc6d0\uc790\ub294 \uc8fc\ub85c \uae08\uc18d \uc774\uc628\uc774\ub2e4. \ub9ac\uac04\ub4dc\uac00 \uc911\uc2ec \uae08\uc18d \uc774\uc628\uacfc \uba87 \uac00\uc9c0\uc758 \uacb0\ud569\uc744 \uc774\ub8e8\ub290\ub0d0 \ub530\ub77c \ub9ac\uac04\ub4dc \uc790\ub9ac\uc218\uac00 \uacb0\uc815\ub41c\ub2e4. \ub450 \uc790\ub9ac \uc774\uc0c1\uc758 \uc790\ub9ac\uc218\ub97c \uac00\uc9c0\ub294 \ub9ac\uac04\ub4dc\ub294 \u2018\ud0ac\ub808\uc774\ud2b8(chelate)\u2019 \ub77c\uace0 \ud55c\ub2e4. \ucc29\ubb3c \ub0b4\uc5d0\uc11c \uc911\uc2ec\uc5d0 \uc704\uce58\ud558\ub294 \uae08\uc18d \uc774\uc628\uacfc \ub9ac\uac04\ub4dc\uac00 \uc774\ub8e8\ub294 \ubc30\uc704\uacb0\ud569 \uac1c\uc218\ub97c \ubc30\uc704\uc218\ub77c\uace0 \ud55c\ub2e4. \ucc29\ud654\ud569\ubb3c\uc758 \uad6c\uc870\ub294 \ubc30\uc704\uc218\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n

\ucd9c\ucc98 : \ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\ubaa9\ucc28 \u2160. Title \u2161. Purpose \u2162. Theory \u2163. Reagents & Apparatus \u2164. Procedure \u2165. Data & Results \u2166. Discussion \u2167. Reference \ubcf8\ubb38\ub0b4\uc6a9 \u2160. Title EDTA Titration of Ca2+ and Mg2+ in Tap Water & Milk \u2161. Purpose Multidentate ligand \uc911 \ud558\ub098\uc778 EDTA\uc758 \ud654\ud559\uc801 \uc131\uc9c8\uacfc \uad6c\uc870\ub85c\ubd80\ud130 EDTA\uc640 metal ion\uacfc\uc758 \ucc29\ubb3c \ud615\uc131\uc5d0 \ub300\ud55c \uae30\ubcf8 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\uace0, complexometric […]<\/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":[4195,6137,5953,5955,3810],"class_list":["post-3311","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-a-","tag-edta-titration","tag-5953","tag-5955","tag-3810"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/3311","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=3311"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/3311\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=3311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=3311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=3311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}