{"id":23757,"date":"2024-08-27T14:15:38","date_gmt":"2024-08-27T06:15:38","guid":{"rendered":"https:\/\/chimaytech.net\/?p=23757"},"modified":"2024-08-28T12:29:05","modified_gmt":"2024-08-28T04:29:05","slug":"ph-meter-calibration-sop","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/ph-meter-calibration-sop\/","title":{"rendered":"sip hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o ph"},"content":{"rendered":"<h1 id=\"importance-of-ph-meter-calibration-in-laboratory-settings-wpaicgheading\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/h1>\n<p>\nTrong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng khi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u. M\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m l\u00e0 m\u00e1y \u0111o pH. M\u00e1y \u0111o pH l\u00e0 thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. \u0110i\u1ec1u quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p \u0111\u1ec3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH l\u00e0 m\u1ed9t quy tr\u00ecnh v\u1eadn h\u00e0nh ti\u00eau chu\u1ea9n (SOP) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u01b0\u1eddng xuy\u00ean trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH. Hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ec3 \u0111\u1ecdc ch\u00ednh x\u00e1c \u1edf c\u00e1c gi\u00e1 tr\u1ecb pH c\u1ee5 th\u1ec3. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft v\u00ec m\u00e1y \u0111o pH c\u00f3 th\u1ec3 b\u1ecb tr\u00f4i theo th\u1eddi gian, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ph\u00e9p \u0111o c\u1ee7a h\u1ecd l\u00e0 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH, bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9, t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n c\u1ef1c v\u00e0 dung d\u1ecbch \u0111\u1ec7m. Hi\u1ec7u chu\u1ea9n gi\u00fap t\u00ednh to\u00e1n c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. N\u1ebfu kh\u00f4ng hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 nguy c\u01a1 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft lu\u1eadn sai l\u1ea7m v\u00e0 l\u00e3ng ph\u00ed ngu\u1ed3n l\u1ef1c.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Conductivity TDS Resistivity Temp  Configuration transmitting controller CCT 8301A Series\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/PVARt0M4T1c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Quy tr\u00ecnh hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng hai ho\u1eb7c nhi\u1ec1u dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH. \u0110\u1ea7u ti\u00ean, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c ng\u00e2m trong dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft v\u00e0 m\u00e1y \u0111o \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho \u0111\u1ebfn khi \u0111\u1ecdc \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i v\u1edbi dung d\u1ecbch \u0111\u1ec7m kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH b\u1eb1ng nhi\u1ec1u dung d\u1ecbch \u0111\u1ec7m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 x\u00e1c minh \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o tr\u00ean nhi\u1ec1u gi\u00e1 tr\u1ecb pH.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y \u0111o oxy h\u00f2a tan DO-810\/1800<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-20,00 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\\\u00b10,5 ph\u1ea7n tr\u0103m FS<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>0-60\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>0\\\uff5e60\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C\u1ea3m bi\u1ebfn oxy h\u00f2a tan<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>Ho\u1ea1t \u0111\u1ed9ng m\u00e3 ph\u00e2n \u0111o\u1ea1n\/M\u00e0n h\u00ecnh LCD 128*64(DO-1800)<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>RS485 t\u00f9y ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\\\u00a0 \u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\\\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\\\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\\\uff5e50\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\\\u226485 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96\\\u00d796\\\u00d7100mm(H\\\u00d7W\\\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\\\u00d792mm(H\\\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\n\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u1ea3i tu\u00e2n theo quy tr\u00ecnh chu\u1ea9n h\u00f3a khi hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady. Quy tr\u00ecnh v\u1eadn h\u00e0nh ti\u00eau chu\u1ea9n (SOP) \u0111\u1ec3 hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH n\u00eau ra quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, bao g\u1ed3m c\u00e1c v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft, quy tr\u00ecnh hi\u1ec7u chu\u1ea9n v\u00e0 t\u1ea7n su\u1ea5t hi\u1ec7u chu\u1ea9n. Vi\u1ec7c tu\u00e2n theo SOP gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111ang hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH theo c\u00f9ng m\u1ed9t c\u00e1ch, gi\u1ea3m nguy c\u01a1 sai s\u00f3t v\u00e0 s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n trong c\u00e1c ph\u00e9p \u0111o pH.<\/p>\n<p>Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o pH trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u c\u1ee7a h\u1ecd l\u00e0 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o, mang l\u1ea1i k\u1ebft qu\u1ea3 khoa h\u1ecdc \u0111\u00e1ng tin c\u1eady h\u01a1n. Ngo\u00e0i ra, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH ph\u00f9 h\u1ee3p gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 gi\u1ea3m nhu c\u1ea7u s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf t\u1ed1n k\u00e9m.<\/p>\n<p>T\u00f3m l\u1ea1i, hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o pH trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m . B\u1eb1ng c\u00e1ch tu\u00e2n theo quy tr\u00ecnh chu\u1ea9n h\u00f3a \u0111\u1ec3 hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n, d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u khoa h\u1ecdc \u0111\u00e1ng tin c\u1eady h\u01a1n. Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u n\u00ean \u01b0u ti\u00ean hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh v\u1eadn h\u00e0nh ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00f4ng vi\u1ec7c khoa h\u1ecdc c\u1ee7a h\u1ecd.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2024\/08\/Spec-ROC-7000.png\" alt=\"alt-8112\" class=\"wp-image-8112\" id=\"i8112\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH trong ph\u00f2ng th\u00ed nghi\u1ec7m Trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng khi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u. M\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m l\u00e0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":20117,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[202],"tags":[87081,87373,87669],"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\/23757"}],"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=23757"}],"version-history":[{"count":16,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/23757\/revisions"}],"predecessor-version":[{"id":23910,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/23757\/revisions\/23910"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/20117"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=23757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=23757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=23757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}