{"id":4969,"date":"2024-02-24T09:26:08","date_gmt":"2024-02-24T01:26:08","guid":{"rendered":"https:\/\/chimaytech.net\/?p=4969"},"modified":"2024-02-24T12:06:48","modified_gmt":"2024-02-24T04:06:48","slug":"how-to-test-di-water-quality","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/how-to-test-di-water-quality\/","title":{"rendered":"c\u00e1ch ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc"},"content":{"rendered":"

“Th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft: Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc Di \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.”<\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI<\/h1>\n

\nN\u01b0\u1edbc kh\u1eed ion (DI) l\u00e0 m\u1ed9t lo\u1ea1i n\u01b0\u1edbc tinh khi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c ion th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 kh\u1eed ion. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m d\u01b0\u1ee3c ph\u1ea9m, \u0111i\u1ec7n t\u1eed v\u00e0 nghi\u00ean c\u1ee9u trong ph\u00f2ng th\u00ed nghi\u1ec7m. Tuy nhi\u00ean, vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c quy tr\u00ecnh v\u00e0 th\u00ed nghi\u1ec7m d\u1ef1a v\u00e0o n\u00f3. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI l\u00e0 b\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n b\u1eaft bu\u1ed9c v\u00e0 kh\u00f4ng ch\u1ee9a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u00f3.<\/p>\n

M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI l\u00e0 \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n. \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n l\u00e0 th\u01b0\u1edbc \u0111o kh\u1ea3 n\u0103ng d\u1eabn d\u00f2ng \u0111i\u1ec7n c\u1ee7a dung d\u1ecbch, li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 c\u00e1c ion c\u00f3 trong n\u01b0\u1edbc. V\u00ec l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 n\u01b0\u1edbc DI ph\u1ea3i c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n r\u1ea5t th\u1ea5p do kh\u00f4ng c\u00f3 ion, n\u00ean b\u1ea5t k\u1ef3 sai l\u1ec7ch n\u00e0o so v\u1edbi ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a t\u1ea1p ch\u1ea5t. M\u00e1y \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p r\u1ed9ng r\u00e3i v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI.<\/p>\n

M\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng kh\u00e1c c\u1ea7n xem x\u00e9t khi ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI l\u00e0 h\u00e0m l\u01b0\u1ee3ng t\u1ed5ng l\u01b0\u1ee3ng carbon h\u1eefu c\u01a1 (TOC). C\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o n\u01b0\u1edbc DI th\u00f4ng qua nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ec3 ch\u1ee9a, \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c theo d\u00f5i m\u1ee9c TOC c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh m\u1ecdi ngu\u1ed3n \u00f4 nhi\u1ec5m ti\u1ec1m \u1ea9n v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc v\u1eabn tinh khi\u1ebft. M\u00e1y ph\u00e2n t\u00edch TOC \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng carbon c\u00f3 trong m\u1eabu, cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a n\u01b0\u1edbc DI.<\/p>\n

Ngo\u00e0i ph\u00e9p \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 TOC, vi\u1ec7c ki\u1ec3m tra \u00f4 nhi\u1ec5m vi khu\u1ea9n c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft khi \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI. M\u1eb7c d\u00f9 n\u01b0\u1edbc DI th\u01b0\u1eddng kh\u00f4ng c\u00f3 vi khu\u1ea9n v\u00e0 c\u00e1c vi sinh v\u1eadt kh\u00e1c do qu\u00e1 tr\u00ecnh kh\u1eed ion, nh\u01b0ng n\u00f3 v\u1eabn d\u1ec5 b\u1ecb nhi\u1ec5m b\u1ea9n trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n v\u00e0 x\u1eed l\u00fd. Th\u1eed nghi\u1ec7m vi sinh v\u1eadt bao g\u1ed3m nu\u00f4i c\u1ea5y m\u1eabu n\u01b0\u1edbc tr\u00ean \u0111\u0129a th\u1ea1ch v\u00e0 \u1ee7 ch\u00fang \u0111\u1ec3 cho ph\u00e9p b\u1ea5t k\u1ef3 vi khu\u1ea9n hi\u1ec7n c\u00f3 n\u00e0o ph\u00e1t tri\u1ec3n. B\u1eb1ng c\u00e1ch theo d\u00f5i m\u1ee9c \u0111\u1ed9 vi sinh v\u1eadt th\u01b0\u1eddng xuy\u00ean, c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n n\u00e0o v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u01b0\u1edbc DI.<\/p>\n

\n\"alt-197\"
\nH\u01a1n n\u1eefa, \u0111o \u0111\u1ed9 pH l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI. \u0110\u1ed9 pH c\u1ee7a n\u01b0\u1edbc bi\u1ec3u th\u1ecb \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a n\u00f3, c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 th\u00ed nghi\u1ec7m kh\u00e1c nhau. L\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 n\u01b0\u1edbc DI ph\u1ea3i c\u00f3 \u0111\u1ed9 pH trung t\u00ednh kho\u1ea3ng 7, v\u00ec \u0111\u1ed9 l\u1ec7ch so v\u1edbi gi\u00e1 tr\u1ecb n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a n\u00f3 v\u1edbi m\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t ho\u1eb7c v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh. M\u00e1y \u0111o pH th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a n\u01b0\u1edbc DI, cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a n\u01b0\u1edbc.<\/p>\n

Nh\u00ecn chung, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI l\u00e0 m\u1ed9t b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a c\u00e1c quy tr\u00ecnh d\u1ef1a v\u00e0o ngu\u1ed3n t\u00e0i nguy\u00ean thi\u1ebft y\u1ebfu n\u00e0y . B\u1eb1ng c\u00e1ch theo d\u00f5i c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, TOC, \u00f4 nhi\u1ec5m vi khu\u1ea9n v\u00e0 \u0111\u1ed9 pH, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ecdi v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u00e0 duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u01b0\u1edbc DI. C\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m tra v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng th\u01b0\u1eddng xuy\u00ean l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc DI \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. \u0110\u1ea7u t\u01b0 v\u00e0o thi\u1ebft b\u1ecb v\u00e0 quy tr\u00ecnh th\u1eed nghi\u1ec7m ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c quy tr\u00ecnh v\u00e0 th\u00ed nghi\u1ec7m ph\u1ee5 thu\u1ed9c v\u00e0o n\u01b0\u1edbc DI ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

“Th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft: Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc Di \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.” T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc DI N\u01b0\u1edbc kh\u1eed ion (DI) l\u00e0 m\u1ed9t lo\u1ea1i n\u01b0\u1edbc tinh khi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c ion th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 kh\u1eed ion….<\/p>\n","protected":false},"author":1,"featured_media":934,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4969"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=4969"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4969\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/934"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=4969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=4969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=4969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}