{"id":22544,"date":"2024-08-27T14:29:53","date_gmt":"2024-08-27T06:29:53","guid":{"rendered":"https:\/\/shchimay.com\/?p=22544"},"modified":"2024-08-28T16:46:06","modified_gmt":"2024-08-28T08:46:06","slug":"how-to-read-a-ph-meter","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-to-read-a-ph-meter\/","title":{"rendered":"c\u00e1ch \u0111\u1ecdc m\u00e1y \u0111o ph"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shchimay.com\/vi\/how-to-read-a-ph-meter\/#Ky_thuat_hieu_chinh_may_do_pH_dung_cach\" title=\"K\u1ef9 thu\u1eadt hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch\">K\u1ef9 thu\u1eadt hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shchimay.com\/vi\/how-to-read-a-ph-meter\/#Hieu_va_giai_thich_cac_thong_so_tren_may_do_pH\" title=\"Hi\u1ec3u v\u00e0 gi\u1ea3i th\u00edch c\u00e1c th\u00f4ng s\u1ed1 tr\u00ean m\u00e1y \u0111o pH\">Hi\u1ec3u v\u00e0 gi\u1ea3i th\u00edch c\u00e1c th\u00f4ng s\u1ed1 tr\u00ean m\u00e1y \u0111o pH<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"proper-technique-for-calibrating-a-ph-meter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Ky_thuat_hieu_chinh_may_do_pH_dung_cach\"><\/span>K\u1ef9 thu\u1eadt hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m v\u00ec n\u00f3 cho ph\u00e9p \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Tuy nhi\u00ean, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch tr\u01b0\u1edbc m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 k\u1ef9 thu\u1eadt hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>Tr\u01b0\u1edbc khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i thu th\u1eadp t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft. B\u1ea1n s\u1ebd c\u1ea7n c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft, th\u01b0\u1eddng l\u00e0 pH 4,01, pH 7,00 v\u00e0 pH 10,01. Nh\u1eefng dung d\u1ecbch n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c mua \u1edf ch\u1ee3 ho\u1eb7c t\u1ef1 pha ch\u1ebf b\u1eb1ng dung d\u1ecbch \u0111\u1ec7m pH. Ngo\u00e0i ra, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t c\u1ed1c ho\u1eb7c b\u00ecnh ch\u1ee9a s\u1ea1ch \u0111\u1ec3 \u0111\u1ef1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u0169ng nh\u01b0 \u0111i\u1ec7n c\u1ef1c s\u1ea1ch v\u00e0 kh\u00f4 cho m\u00e1y \u0111o pH.<\/p>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n b\u00e1m tr\u00ean s\u1eed d\u1ee5ng tr\u01b0\u1edbc \u0111\u00f3. Ti\u1ebfp theo, nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7,00 v\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh trong v\u00e0i ph\u00fat. M\u00e1y \u0111o pH s\u1ebd hi\u1ec3n th\u1ecb s\u1ed1 \u0111\u1ecdc g\u1ea7n b\u1eb1ng 7,00. N\u1ebfu s\u1ed1 \u0111\u1ecdc sai l\u1ec7ch \u0111\u00e1ng k\u1ec3, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u chu\u1ea9n b\u1eb1ng n\u00fam \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m tr\u00ean m\u00e1y \u0111o pH cho \u0111\u1ebfn khi s\u1ed1 \u0111\u1ecdc kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb mong \u0111\u1ee3i.<\/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-22544-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CCT-5300E-Series.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CCT-5300E-Series.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CCT-5300E-Series.mp4<\/a><\/video><\/div>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y \u0111o pH\/ORP tr\u1ef1c tuy\u1ebfn pH\/ORP-5500<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>pH:0,00~14,00 ; ORP: (-2000~+2000)mV; Nhi\u1ec7t \u0111\u1ed9.:(0,0~99,9)\u00b0C (Nhi\u1ec7t \u0111\u1ed9 b\u00f9: NTC10K)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>pH:0,01 ; ORP: 1mV; Nhi\u1ec7t \u0111\u1ed9.:0,1\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>pH:+\/-0,1 ; ORP: +\/- 5mV (\u0111\u01a1n v\u1ecb \u0111i\u1ec7n t\u1eed); Nhi\u1ec7t \u0111\u1ed9.: +\/- 0,5\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>Ph\u1ea1m vi: (0~120)\u00b0C; ph\u1ea7n t\u1eed: Pt1000<\/td>\n<\/tr>\n<tr>\n<td>Dung d\u1ecbch \u0111\u1ec7m<\/td>\n<td>gi\u00e1 tr\u1ecb pH 9,18; 6,86; 4,01; 10 gi\u1edd; 7 gi\u1edd; 4 gi\u1edd 00<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td>(0~50)\u00b0C (v\u1edbi 25\u00b0C l\u00e0 ti\u00eau chu\u1ea9n) nhi\u1ec7t \u0111\u1ed9 th\u1ee7 c\u00f4ng\/t\u1ef1 \u0111\u1ed9ng. b\u1ed3i th\u01b0\u1eddng cho vi\u1ec7c l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>C\u00e1ch ly (4~20)mA, Thi\u1ebft b\u1ecb\/M\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td>\u0110\u1ea7u ra r\u01a1le k\u00e9p (B\u1eacT\/T\u1eaeT); AC 240V\/3A<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(0~50)\u2103; \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i <95%RH (non-condensing)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(-20~60)\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>DC 24V; \u0111i\u1ec7n xoay chi\u1ec1u 110V; AC220V<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/td>\n<td><3W<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp l\u01b0ng)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96mmx96mmx105mm(HxWxD)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>91mmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nSau khi hi\u1ec7u chu\u1ea9n \u0111\u1ebfn pH 7,00, r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion v\u00e0 l\u1eb7p l\u1ea1i quy tr\u00ecnh v\u1edbi dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 4,01 v\u00e0 pH 10,01. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u1edf nhi\u1ec1u \u0111i\u1ec3m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi pH. Sau khi ho\u00e0n th\u00e0nh t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m hi\u1ec7u chu\u1ea9n, r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion l\u1ea7n cu\u1ed1i \u0111\u1ec3 lo\u1ea1i b\u1ecf dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f2n s\u00f3t l\u1ea1i.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/9500-\u7535\u5bfc\u7387\u4eea4.jpg\" alt=\"alt-567\" class=\"wp-image-567\" id=\"i567\" \/><\/p>\n<p>\n\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 m\u00e1y \u0111o pH ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean, t\u1ed1t nh\u1ea5t l\u00e0 tr\u01b0\u1edbc m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n c\u1ef1c v\u00e0 tu\u1ed5i c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c k\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH \u1edf t\u00ecnh tr\u1ea1ng t\u1ed1t, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebft qu\u1ea3 c\u1ee7a m\u00ecnh l\u00e0 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n<p>Ngo\u00e0i vi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i x\u1eed l\u00fd m\u00e1y \u0111o pH c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng \u0111i\u1ec7n c\u1ef1c . Tr\u00e1nh l\u00e0m r\u01a1i ho\u1eb7c va \u0111\u1eadp \u0111i\u1ec7n c\u1ef1c v\u00e0o b\u1ec1 m\u1eb7t c\u1ee9ng v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra v\u1ebft n\u1ee9t ho\u1eb7c g\u00e3y. B\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH trong m\u00f4i tr\u01b0\u1eddng s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4 r\u00e1o khi kh\u00f4ng s\u1eed d\u1ee5ng v\u00e0 lu\u00f4n tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 b\u1ea3o tr\u00ec v\u00e0 b\u1ea3o qu\u1ea3n.<\/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 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o pH ch\u00ednh x\u00e1c trong ph\u00f2ng th\u00ed nghi\u1ec7m. B\u1eb1ng c\u00e1ch tu\u00e2n theo k\u1ef9 thu\u1eadt th\u00edch h\u1ee3p v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH \u1edf t\u00ecnh tr\u1ea1ng t\u1ed1t, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebft qu\u1ea3 c\u1ee7a m\u00ecnh l\u00e0 \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. H\u00e3y nh\u1edb hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH tr\u01b0\u1edbc m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng, s\u1eed d\u1ee5ng c\u1ea9n th\u1eadn v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<h1 id=\"understanding-and-interpreting-ph-meter-readings-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Hieu_va_giai_thich_cac_thong_so_tren_may_do_pH\"><\/span>Hi\u1ec3u v\u00e0 gi\u1ea3i th\u00edch c\u00e1c th\u00f4ng s\u1ed1 tr\u00ean m\u00e1y \u0111o pH<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m n\u00f4ng nghi\u1ec7p, s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng c\u0169ng nh\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc. N\u00f3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch theo thang \u0111i\u1ec3m t\u1eeb 0 \u0111\u1ebfn 14, v\u1edbi 7 l\u00e0 trung t\u00ednh. Hi\u1ec3u c\u00e1ch \u0111\u1ecdc v\u00e0 di\u1ec5n gi\u1ea3i ch\u00ednh x\u00e1c c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n<p>Khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y tr\u01b0\u1edbc m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o cho ph\u00f9 h\u1ee3p. Sau khi hi\u1ec7u chu\u1ea9n, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o b\u1eb1ng c\u00e1ch nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch b\u1ea1n mu\u1ed1n ki\u1ec3m tra.<\/p>\n<p>Khi \u0111i\u1ec7n c\u1ef1c ti\u1ebfp x\u00fac v\u1edbi dung d\u1ecbch, m\u00e1y \u0111o s\u1ebd hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb s\u1ed1 t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ee9c \u0111\u1ed9 pH. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1edd cho k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc khi ghi l\u1ea1i v\u00ec m\u1ee9c \u0111\u1ed9 pH ban \u0111\u1ea7u c\u00f3 th\u1ec3 dao \u0111\u1ed9ng khi ng\u00e2m. Sau khi s\u1ed1 \u0111\u1ecdc \u0111\u00e3 \u1ed5n \u0111\u1ecbnh, h\u00e3y l\u01b0u \u00fd \u0111\u1ebfn gi\u00e1 tr\u1ecb hi\u1ec3n th\u1ecb tr\u00ean \u0111\u1ed3ng h\u1ed3.<\/p>\n<p>Gi\u1ea3i th\u00edch c\u00e1c s\u1ed1 \u0111\u1ecdc tr\u00ean m\u00e1y \u0111o pH li\u00ean quan \u0111\u1ebfn vi\u1ec7c hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c m\u1ee9c \u0111\u1ed9 pH kh\u00e1c nhau. \u0110\u1ed9 pH d\u01b0\u1edbi 7 bi\u1ec3u th\u1ecb t\u00ednh axit, gi\u00e1 tr\u1ecb th\u1ea5p h\u01a1n bi\u1ec3u th\u1ecb t\u00ednh axit m\u1ea1nh h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed9 pH tr\u00ean 7 bi\u1ec3u th\u1ecb \u0111\u1ed9 ki\u1ec1m, gi\u00e1 tr\u1ecb cao h\u01a1n bi\u1ec3u th\u1ecb \u0111\u1ed9 ki\u1ec1m m\u1ea1nh h\u01a1n. Hi\u1ec3u \u0111\u01b0\u1ee3c kho\u1ea3ng pH c\u1ee7a m\u1ed9t dung d\u1ecbch c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 c\u00f4ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a dung d\u1ecbch \u0111\u00f3.<\/p>\n<p>Ngo\u00e0i c\u00e1c s\u1ed1 \u0111\u1ecdc, m\u00e1y \u0111o pH th\u01b0\u1eddng c\u00f3 thang \u0111o ho\u1eb7c ch\u1ec9 b\u00e1o m\u00e3 m\u00e0u \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng nhanh ch\u00f3ng \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. C\u00e1ch tr\u00ecnh b\u00e0y tr\u1ef1c quan n\u00e0y c\u00f3 th\u1ec3 h\u1eefu \u00edch \u0111\u1ec3 tham kh\u1ea3o v\u00e0 so s\u00e1nh nhanh c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c nhau.<\/p>\n<p>Khi di\u1ec5n gi\u1ea3i c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t b\u1ed1i c\u1ea3nh th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o. V\u00ed d\u1ee5, trong n\u00f4ng nghi\u1ec7p, \u0111\u1ed9 pH c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ph\u00ec nhi\u00eau c\u1ee7a \u0111\u1ea5t v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. Theo d\u00f5i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng v\u00e0 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t ch\u1ea5t dinh d\u01b0\u1ee1ng. Trong s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, \u0111\u1ed9 pH c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, m\u00f9i v\u1ecb v\u00e0 th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a s\u1ea3n ph\u1ea9m. Hi\u1ec3u v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 pH l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<p>Trong x\u1eed l\u00fd n\u01b0\u1edbc, \u0111\u1ed9 pH \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a n\u01b0\u1edbc u\u1ed1ng. Theo d\u00f5i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u0111\u1ed9 pH c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 \u0103n m\u00f2n trong \u0111\u01b0\u1eddng \u1ed1ng, c\u1ea3i thi\u1ec7n m\u00f9i v\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh.<\/p>\n<p>T\u00f3m l\u1ea1i, \u0111\u1ecdc v\u00e0 gi\u1ea3i th\u00edch c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o pH l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p y\u00eau c\u1ea7u theo d\u00f5i \u0111\u1ed9 pH. B\u1eb1ng c\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c m\u1ee9c \u0111\u1ed9 pH kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh trong c\u00e1c ng\u00e0nh kh\u00e1c nhau. Cho d\u00f9 b\u1ea1n l\u00e0 n\u00f4ng d\u00e2n, nh\u00e0 s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m hay chuy\u00ean gia x\u1eed l\u00fd n\u01b0\u1edbc, vi\u1ec7c bi\u1ebft c\u00e1ch \u0111\u1ecdc m\u00e1y \u0111o pH c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 n\u0103ng su\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u1ef9 thu\u1eadt hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch M\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m v\u00ec n\u00f3 cho ph\u00e9p \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Tuy nhi\u00ean, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1178,"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":[134452,11579,134481],"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\/22544"}],"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=22544"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/22544\/revisions"}],"predecessor-version":[{"id":22887,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/22544\/revisions\/22887"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1178"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=22544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=22544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=22544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}