{"id":18762,"date":"2024-08-01T14:01:23","date_gmt":"2024-08-01T06:01:23","guid":{"rendered":"https:\/\/shchimay.com\/?p=18762"},"modified":"2024-08-01T22:25:53","modified_gmt":"2024-08-01T14:25:53","slug":"what-does-ph-meter-stand-for","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/what-does-ph-meter-stand-for\/","title":{"rendered":"m\u00e1y \u0111o ph c\u00f3 ngh\u0129a l\u00e0 g\u00ec"},"content":{"rendered":"<h1 id=\"understanding-the-meaning-of-ph-in-ph-meter-wpaicgheading\">T\u00ecm Hi\u1ec3u \u00dd Ngh\u0129a pH trong M\u00e1y \u0110o pH<\/h1>\n<p>\nM\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. Thu\u1eadt ng\u1eef &#8220;pH&#8221; l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a &#8220;ti\u1ec1m n\u0103ng c\u1ee7a hydro&#8221;, d\u00f9ng \u0111\u1ec3 ch\u1ec9 n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro trong dung d\u1ecbch. Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 14, trong \u0111\u00f3 0 l\u00e0 axit m\u1ea1nh nh\u1ea5t, 7 l\u00e0 trung t\u00ednh v\u00e0 14 l\u00e0 ki\u1ec1m nh\u1ea5t. M\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m n\u00f4ng nghi\u1ec7p, th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 d\u01b0\u1ee3c ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<p>M\u00e1y \u0111o pH ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p gi\u1eefa hai \u0111i\u1ec7n c\u1ef1c ng\u00e2m trong dung d\u1ecbch \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. th\u1eed nghi\u1ec7m. M\u1ed9t \u0111i\u1ec7n c\u1ef1c nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ion hydro, trong khi \u0111i\u1ec7n c\u1ef1c c\u00f2n l\u1ea1i l\u00e0 \u0111i\u1ec7n c\u1ef1c tham chi\u1ebfu. S\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p gi\u1eefa hai \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh gi\u00e1 tr\u1ecb pH, hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh m\u00e1y \u0111o. M\u00e1y \u0111o pH \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n b\u1eb1ng dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e9p \u0111o ch\u00ednh x\u00e1c.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/Spec-DOF-6310-Digital-Optical-Dissolved-oxygen.png\" alt=\"alt-683\" class=\"wp-image-683\" id=\"i683\" \/><\/p>\n<p>\nM\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. Kh\u00f4ng gi\u1ed1ng nh\u01b0 que th\u1eed pH ho\u1eb7c ch\u1ec9 b\u00e1o thay \u0111\u1ed5i m\u00e0u s\u1eafc, c\u00f3 th\u1ec3 mang t\u00ednh ch\u1ee7 quan v\u00e0 d\u1ec5 x\u1ea3y ra l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi, m\u00e1y \u0111o pH cung c\u1ea5p c\u00e1c ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt s\u1ed1 d\u1ec5 hi\u1ec3u. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, ch\u1eb3ng h\u1ea1n nh\u01b0 trong nghi\u00ean c\u1ee9u khoa h\u1ecdc ho\u1eb7c quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<p>Ngo\u00e0i vi\u1ec7c \u0111o \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch, m\u00e1y \u0111o pH c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 pH theo th\u1eddi gian. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c qu\u00e1 tr\u00ecnh c\u1ea7n ki\u1ec3m so\u00e1t \u0111\u1ed9 pH, ch\u1eb3ng h\u1ea1n nh\u01b0 trong c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ho\u1eb7c qu\u00e1 tr\u00ecnh l\u00ean men. B\u1eb1ng c\u00e1ch li\u00ean t\u1ee5c theo d\u00f5i m\u1ee9c \u0111\u1ed9 pH, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh theo th\u1eddi gian th\u1ef1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u cho quy tr\u00ecnh c\u1ee7a h\u1ecd.<\/p>\n<p>M\u00e1y \u0111o pH c\u00f3 nhi\u1ec1u lo\u1ea1i v\u00e0 ki\u1ec3u d\u00e1ng kh\u00e1c nhau, t\u1eeb thi\u1ebft b\u1ecb c\u1ea7m tay di \u0111\u1ed9ng \u0111\u1ebfn d\u1ee5ng c\u1ee5 ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ec3 b\u00e0n. M\u1ed9t s\u1ed1 m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00f9 nhi\u1ec7t \u0111\u1ed9, ghi d\u1eef li\u1ec7u v\u00e0 hi\u1ec7u chu\u1ea9n t\u1ef1 \u0111\u1ed9ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y \u0111o pH ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft.<\/p>\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-18762-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4<\/a><\/video><\/div>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td colspan=\"4\">Ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 N,N-Diethyl-1,4-phenylenediamine (DPD)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>CLA-7112<\/td>\n<td>CLA-7212<\/td>\n<td>CLA-7113<\/td>\n<td>CLA-7213<\/td>\n<\/tr>\n<tr>\n<td>K\u00eanh \u0111\u1ea7u v\u00e0o<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<td>K\u00eanh \u0111\u00f4i<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<td>K\u00eanh \u0111\u00f4i<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi \u0111o<\/td>\n<td colspan=\"2\">Clorin t\u1ef1 do\uff1a(0,0-2,0)mg\/L, t\u00ednh b\u1eb1ng Cl2;<\/td>\n<td colspan=\"2\">Clo t\u1ef1 do:(0,5-10,0)mg\/L, t\u00ednh b\u1eb1ng Cl2;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">pH\uff1a\uff080-14\uff09\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\uff080-100\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td colspan=\"2\">Clor d\u01b0:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c \u00b10,05mg\/L(l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn),T\u00ednh theo Cl2;<\/td>\n<td colspan=\"2\">Clor d\u01b0:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c\u00b10,25mg\/L(l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn),T\u00ednh theo Cl2;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">pH:\u00b10.1pH\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi gian \u0111o<\/td>\n<td colspan=\"4\">\u22642.5 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu<\/td>\n<td colspan=\"4\">C\u00f3 th\u1ec3 \u0111\u1eb7t kho\u1ea3ng th\u1eddi gian (1\uff5e999) ph\u00fat t\u00f9y \u00fd<\/td>\n<\/tr>\n<tr>\n<td>Chu k\u1ef3 b\u1ea3o tr\u00ec<\/td>\n<td colspan=\"4\">Khuy\u1ebfn ngh\u1ecb m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n (xem ch\u01b0\u01a1ng b\u1ea3o tr\u00ec)<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td colspan=\"4\">Ph\u00f2ng th\u00f4ng tho\u00e1ng, kh\u00f4 r\u00e1o, kh\u00f4ng rung l\u1eafc m\u1ea1nh;Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng khuy\u1ebfn ngh\u1ecb\uff1a\uff0815\uff5e28\uff09\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485% \uff08Kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng m\u1eabu n\u01b0\u1edbc<\/td>\n<td colspan=\"4\">\uff08200-400\uff09 mL\/ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/td>\n<td colspan=\"4\">\uff080.1-0.3\uff09 thanh<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o<\/td>\n<td colspan=\"4\">\uff080-40\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"4\">AC (100-240)V\uff1b 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td colspan=\"4\">120W<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i ngu\u1ed3n<\/td>\n<td colspan=\"4\">D\u00e2y ngu\u1ed3n 3 l\u00f5i c\u00f3 ph\u00edch c\u1eafm \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u1ed5 \u0111i\u1ec7n b\u1eb1ng d\u00e2y n\u1ed1i \u0111\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra d\u1eef li\u1ec7u<\/td>\n<td colspan=\"4\">RS232\/RS485\/\uff084\uff5e20\uff09mA<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"4\">H*W*D\uff1a\uff08800*400*200\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nKhi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n theo c\u00e1c quy tr\u00ecnh th\u00edch h\u1ee3p \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o th\u01b0\u1eddng xuy\u00ean, b\u1ea3o qu\u1ea3n c\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111\u00fang c\u00e1ch v\u00e0 v\u1ec7 sinh ch\u00fang sau m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng. \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i \u0111i\u1ec7n c\u1ef1c cho dung d\u1ecbch \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m, v\u00ec c\u00e1c \u0111i\u1ec7n c\u1ef1c kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c lo\u1ea1i m\u1eabu kh\u00e1c nhau.<\/p>\n<p>T\u00f3m l\u1ea1i, m\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 \u0111o v\u00e0 theo d\u00f5i \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a m\u1ed9t ch\u1ea5t gi\u1ea3i ph\u00e1p. Hi\u1ec3u \u00fd ngh\u0129a c\u1ee7a \u0111\u1ed9 pH v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 quy tr\u00ecnh c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm Hi\u1ec3u \u00dd Ngh\u0129a pH trong M\u00e1y \u0110o 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. Thu\u1eadt ng\u1eef &#8220;pH&#8221; l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a &#8220;ti\u1ec1m n\u0103ng c\u1ee7a hydro&#8221;, d\u00f9ng \u0111\u1ec3 ch\u1ec9 n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro trong dung d\u1ecbch. Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1997,"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":[200],"tags":[11579],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"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:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/18762"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=18762"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/18762\/revisions"}],"predecessor-version":[{"id":19115,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/18762\/revisions\/19115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1997"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=18762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=18762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=18762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}