{"id":35499,"date":"2026-03-26T09:01:58","date_gmt":"2026-03-26T00:01:58","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/03\/26\/35499\/"},"modified":"2026-03-26T09:01:58","modified_gmt":"2026-03-26T00:01:58","slug":"%eb%b6%84%ec%84%9d%ed%99%94%ed%95%99%ec%8b%a4%ed%97%98-%eb%a0%88%ed%8f%ac%ed%8a%b8-cod-%ec%b8%a1%ec%a0%95","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/03\/26\/35499\/","title":{"rendered":"\ubd84\uc11d\ud654\ud559\uc2e4\ud5d8 \ub808\ud3ec\ud2b8 COD \uce21\uc815"},"content":{"rendered":"

<\/p>\n

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

1. Subject
\n2. Date
\n3. Purpose
\n4. Principle
\n5. Apparatus & Reagent
\n6. Procedure
\n7. Reference
\n8. Result
\n9. Discussion
\n10. Reference<\/p>\n

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

1. Subject
\n COD \uce21\uc815<\/p>\n

2. Date<\/p>\n

3. Purpose
\n \uc744 \uc774\uc6a9\ud574 COD\ub97c \uce21\uc815\ud55c\ub2e4.<\/p>\n

4. Principle
\n1) COD(Chemical oxygen demand)\uc758 \uc815\uc758\uc640 \uacc4\uc0b0\ubc29\ubc95
\n\uc720\uae30\ubb3c \ub4f1\uc758 \uc624\uc5fc\ubb3c\uc9c8\uc744 \uc0b0\ud654\uc81c\ub85c \uc0b0\ud654 \ubd84\ud574\uc2dc\ucf1c \uc815\ud654\ud558\ub294 \ub370 \uc18c\ube44\ub418\ub294 \uc0b0\uc18c\ub7c9\uc744 ppm(part per million \ubc31\ub9cc\ubd84\uc728)\ub610\ub294 mg\/\u2113\ub85c \ub098\ud0c0\ub0b8 \uac83\uc774\ub2e4. \ubb3c\uc18d\uc5d0 \ub4e4\uc5b4 \uc788\ub294 \uc720\uae30\ubb3c, \uc544\uc9c8\uc0b0\uc5fc, \uc81c1\ucca0\uc5fc, \ud669\ud654\ubb3c \ub4f1\uc740 \ubb3c \uc18d\uc5d0 \ub179\uc544 \uc788\ub294 \uc0b0\uc18c\ub97c \uc18c\ube44\ud558\ub294\ub370, \uc774\ub7f0 \ubb3c\uc9c8\uc774 \ub9ce\uc774 \ub4e4\uc5b4 \uc788\uc73c\uba74 \ubb3c \uc18d\uc758 \uc0b0\uc18c\uac00 \uc5c6\uc5b4\uc838 \ubb3c\uace0\uae30\uc640 \ubbf8\uc0dd\ubb3c\uc774 \uc0b4 \uc218 \uc5c6\uac8c \ub418\uace0 \ubb3c\uc774 \uc369\uc5b4 \uace0\uc57d\ud55c \ub0c4\uc0c8\uac00 \ub098\uace0 \ubb3c \uc0c9\uae54\uc774 \uac80\uac8c \ubcc0\ud558\uc5ec \ubb3c\uc774 \uc8fd\uac8c \ub41c\ub2e4. \uc774\ub7f0 \uc720\uae30 \ubb3c\uc9c8\uc774 \ub4e4\uc5b4 \uc788\ub294 \ubb3c\uc5d0 \uacfc\ub9dd\uac04\uc0b0 \uce7c\ub968\uc774\ub098 \uc911\ud06c\ub86c\uc0b0 \uce7c\ub968 \ub4f1\uc758 \uc218\uc6a9\uc561\uc744 \uc0b0\ud654\uc81c\ub85c \ub123\uc73c\uba74 \uc720\uae30 \ubb3c\uc9c8\uc774 \uc0b0\ud654\ub41c\ub2e4. \uc774\ub54c \uc4f0\uc5ec\uc9c4 \uc0b0\ud654\uc81c\uc758 \uc591\uc5d0 \uc0c1\ub2f9\ud558\ub294 \uc0b0\uc18c\uc758 \uc591\uc744 COD\uac12\uc774\ub77c\uace0 \ud55c\ub2e4. \ubb3c\uc774 \ub9ce\uc774 \uc624\uc5fc\ub420\uc218\ub85d \uc720\uae30\ubb3c\uc774 \ub9ce\uc73c\ubbc0\ub85c \uadf8\ub9cc\ud07c \uc0b0\ud654 \ubd84\ud574\uc5d0 \ud544\uc694\ud55c \uc0b0\uc18c\ub7c9\ub3c4 \uc99d\uac00\ud55c\ub2e4. \ub530\ub77c\uc11c COD\uac00 \ud074\uc218\ub85d \uadf8 \ud558\ucc9c \ub4f1\uc758 \ubb3c\uc740 \uc624\uc5fc\uc774 \uc2ec\ud558\ub2e4. \uc218\uc9c8 \ud658\uacbd \uae30\uc900\uc5d0\uc11c\ub294 \uc0c1\uc218\uc6d0\uc218 1\uae09\uc218\ub294 1ppm \uc774\ud558, \uc0c1\uc218\uc6d0\uc218 2\uae09\uc218\uc5d0\ub294 3ppm \uc774\ud558\ub97c \uc720\uc9c0\ud558\ub3c4\ub85d \uaddc\uc815\ud558\uace0 \uc788\ub2e4. <\/p>\n

<\uc911 \ub7b5><\/p>\n

9. Discussion
\n\uc774\ubc88 \uc8fc\ucc28\uc5d0\ub294 \ud638\uc218\uc758 \ub97c \uce21\uc815\ud558\ub294 \uc2e4\ud5d8\uc744 \uc9c4\ud589\ud588\ub2e4. \uc801\uc815\uacb0\uacfc 0.64ppm\uc774 \ub098\uc654\uace0 \uc774\ub294 1\uae09\uc218\uc5d0 \ud574\ub2f9\ud558\ub294 \ubb3c\uc774\uc5c8\ub2e4. 1\uae09\uc218\ub294 \uc624\uc5fc\uc774 \uc5c6\ub294 \ubb3c\ub85c \uac04\ub2e8\ud55c \uc815\uc218 \uacfc\uc815\uc744 \uac70\uccd0 \uc2dd\uc218\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\ub294 \ubb3c\uc774\ub2e4. (\ubaa8\ub4e0 \uc870\uc758 \ud3c9\uade0 \uacb0\uacfc\ub294 3\uae09\uc218\ub85c, 3\uae09\uc218\ub294 \uc2dd\uc218\ub85c\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc73c\ub098 \uacf5\uc5c5\uc6a9\uc218\ub85c\ub294 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ubb3c\uc774\ub2e4.) \ud638\uc218\ub294 \ub204\uac00 \ubd10\ub3c4 1\uae09\uc218\uc758 \ubb3c\uc740 \uc544\ub2cc\ub370, \uc5ec\ub7ec \uac00\uc9c0 \uc624\ucc28\uc758 \uc6d0\uc778 \ub54c\ubb38\uc73c\ub85c \ucd94\uc815\ub41c\ub2e4.<\/p>\n

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

\ubaa9\ucc28 1. Subject 2. Date 3. Purpose 4. Principle 5. Apparatus & Reagent 6. Procedure 7. Reference 8. Result 9. Discussion 10. Reference \ubcf8\ubb38\ub0b4\uc6a9 1. Subject COD \uce21\uc815 2. Date 3. Purpose \uc744 \uc774\uc6a9\ud574 COD\ub97c \uce21\uc815\ud55c\ub2e4. 4. Principle 1) COD(Chemical oxygen demand)\uc758 \uc815\uc758\uc640 \uacc4\uc0b0\ubc29\ubc95 \uc720\uae30\ubb3c \ub4f1\uc758 \uc624\uc5fc\ubb3c\uc9c8\uc744 \uc0b0\ud654\uc81c\ub85c \uc0b0\ud654 \ubd84\ud574\uc2dc\ucf1c \uc815\ud654\ud558\ub294 \ub370 \uc18c\ube44\ub418\ub294 \uc0b0\uc18c\ub7c9\uc744 ppm(part […]<\/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":[6143,44179,5953],"class_list":["post-35499","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-cod","tag-cod-","tag-5953"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/35499","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=35499"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/35499\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=35499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=35499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=35499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}