{"id":23296,"date":"2024-08-31T14:49:42","date_gmt":"2024-08-31T06:49:42","guid":{"rendered":"https:\/\/shchimay.com\/?p=23296"},"modified":"2024-09-02T13:21:43","modified_gmt":"2024-09-02T05:21:43","slug":"using-an-indicator-to-determine-ph-is-preferred","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/using-an-indicator-to-determine-ph-is-preferred\/","title":{"rendered":"s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n s\u1eed d\u1ee5ng m\u00e1y \u0111o ph khi"},"content":{"rendered":"<h1 id=\"benefits-of-using-an-indicator-to-determine-ph-over-a-ph-meter-wpaicgheading\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ec9 th\u1ecb \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH tr\u00ean m\u00e1y \u0111o pH<\/h1>\n<p>\nX\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong nhi\u1ec1u th\u00ed nghi\u1ec7m khoa h\u1ecdc v\u00e0 quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. \u0110\u1ed9 pH, vi\u1ebft t\u1eaft c\u1ee7a &#8220;ti\u1ec1m n\u0103ng hydro&#8221;, l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i bi\u1ebft \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra trong dung d\u1ecbch \u0111\u00f3. C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch: s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ec9 th\u1ecb ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH.<\/p>\n<p>S\u1eed d\u1ee5ng ch\u1ea5t ch\u1ec9 th\u1ecb \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n l\u00e0 s\u1eed d\u1ee5ng m\u00e1y \u0111o pH trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh. Ch\u1ea5t ch\u1ec9 th\u1ecb l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i m\u00e0u s\u1eafc khi pH thay \u0111\u1ed5i. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e9p chu\u1ea9n \u0111\u1ed9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m cu\u1ed1i c\u1ee7a ph\u1ea3n \u1ee9ng. C\u00e1c ch\u1ec9 s\u1ed1 r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t n\u00e0o. Ch\u00fang c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb so v\u1edbi m\u00e1y \u0111o pH.<\/p>\n<p>M\u1ed9t trong nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH l\u00e0 vi\u1ec7c n\u00e0y nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng. Ch\u1ec9 c\u1ea7n th\u00eam m\u1ed9t v\u00e0i gi\u1ecdt ch\u1ea5t ch\u1ec9 th\u1ecb v\u00e0o dung d\u1ecbch v\u00e0 quan s\u00e1t s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u00f3 th\u1ec3 cho b\u1ea1n \u00fd t\u01b0\u1edfng s\u01a1 b\u1ed9 v\u1ec1 \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 h\u1eefu \u00edch trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u1ea7n \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH.<\/p>\n<p>http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-2210-RO\u7a0b\u5e8f\u63a7\u5236\u53cc\u8def\u7535\u5bfc\u7387.mp4[\/embed ]M\u1ed9t l\u1ee3i \u00edch kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o l\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng t\u00ecnh hu\u1ed1ng m\u00e0 m\u00e1y \u0111o pH kh\u00f4ng th\u1ef1c t\u1ebf. V\u00ed d\u1ee5: n\u1ebfu b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c \u1edf m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m xa, n\u01a1i kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn m\u00e1y \u0111o pH b\u1ecb h\u1ea1n ch\u1ebf, s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf t\u1ed1t. Ch\u1ec9 b\u00e1o c\u0169ng h\u1eefu \u00edch trong tr\u01b0\u1eddng h\u1ee3p m\u00e1y \u0111o pH kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng ho\u1eb7c kh\u00f4ng hi\u1ec7u chu\u1ea9n.<\/p>\n<p>S\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh pH c\u0169ng c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n so v\u1edbi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH. C\u00e1c ch\u1ec9 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb ti\u1ec1n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c mua v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn \u0111\u1ec3 s\u1eed d\u1ee5ng trong nhi\u1ec1u th\u1eed nghi\u1ec7m. M\u1eb7t kh\u00e1c, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m \u0111\u1ec3 mua v\u00e0 b\u1ea3o tr\u00ec. Ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>M\u1eb7c d\u00f9 vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ea7n xem x\u00e9t. C\u00e1c ch\u1ec9 s\u1ed1 kh\u00f4ng ch\u00ednh x\u00e1c nh\u01b0 m\u00e1y \u0111o pH v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0a ra \u01b0\u1edbc t\u00ednh s\u01a1 b\u1ed9 v\u1ec1 \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. Ch\u00fang c\u0169ng b\u1ecb gi\u1edbi h\u1ea1n trong ph\u1ea1m vi ph\u00e1t hi\u1ec7n \u0111\u1ed9 pH, v\u1edbi h\u1ea7u h\u1ebft c\u00e1c ch\u1ec9 b\u00e1o ch\u1ec9 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c gi\u00e1 tr\u1ecb pH trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thu th\u1eadp d\u1eef li\u1ec7u \u0111\u1ed9 \u0111\u1ee5c b\u1eb1ng laser TUR-6101<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-10\/100\/4000NTU ho\u1eb7c theo y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>LCD<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u01a1n v\u1ecb<\/td>\n<td>NTU<\/td>\n<\/tr>\n<tr>\n<td>DPI<\/td>\n<td>0.01<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b15 ph\u1ea7n tr\u0103m FS<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i<\/td>\n<td>\u00b11 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>\u22643W<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>AC 85V-265V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c<\/td>\n<\/tr>\n<tr>\n<td>DC 9~36V\/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>160*80*135mm(Treo) ho\u1eb7c 96*96mm(Nh\u00fang)<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>4~20mA v\u00e0 giao ti\u1ebfp RS-485 (Modbus RTU)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i<\/td>\n<td>R\u01a1le 3 chi\u1ec1u, c\u00f4ng su\u1ea5t 250VAC\/5A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nT\u00f3m l\u1ea1i, s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ec9 th\u1ecb \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh. C\u00e1c ch\u1ec9 s\u1ed1 s\u1eed d\u1ee5ng nhanh ch\u00f3ng, d\u1ec5 d\u00e0ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u00e1y \u0111o pH kh\u00f4ng th\u1ef1c t\u1ebf ho\u1eb7c kh\u00f4ng c\u00f3 s\u1eb5n. M\u1eb7c d\u00f9 c\u00e1c ch\u1ec9 b\u00e1o c\u00f3 th\u1ec3 kh\u00f4ng ch\u00ednh x\u00e1c nh\u01b0 m\u00e1y \u0111o pH nh\u01b0ng ch\u00fang v\u1eabn c\u00f3 th\u1ec3 l\u00e0 c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. Cu\u1ed1i c\u00f9ng, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ec9 th\u1ecb hay m\u00e1y \u0111o pH s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a th\u00ed nghi\u1ec7m ho\u1eb7c quy tr\u00ecnh \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/pH-ORP8500A-meter-pH-controller-with-RS485-5.png\" alt=\"alt-6912\" class=\"wp-image-6912\" id=\"i6912\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ec9 th\u1ecb \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH tr\u00ean m\u00e1y \u0111o pH X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong nhi\u1ec1u th\u00ed nghi\u1ec7m khoa h\u1ecdc v\u00e0 quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. \u0110\u1ed9 pH, vi\u1ebft t\u1eaft c\u1ee7a &#8220;ti\u1ec1m n\u0103ng hydro&#8221;, l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 axit ho\u1eb7c&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1665,"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":[11027,11579,134476,11065],"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\/23296"}],"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=23296"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/23296\/revisions"}],"predecessor-version":[{"id":23647,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/23296\/revisions\/23647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1665"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=23296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=23296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=23296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}