{"id":10246,"date":"2024-04-11T11:53:35","date_gmt":"2024-04-11T03:53:35","guid":{"rendered":"https:\/\/shchimay.com\/?p=10246"},"modified":"2024-04-11T22:27:18","modified_gmt":"2024-04-11T14:27:18","slug":"ph-meter-with-calibration-solution","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/ph-meter-with-calibration-solution\/","title":{"rendered":"m\u00e1y \u0111o ph v\u1edbi dung d\u1ecbch hi\u1ec7u chu\u1ea9n"},"content":{"rendered":"<h1 id=\"the-importance-of-proper-ph-meter-calibration-with-calibration-solution-wpaicgheading\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p b\u1eb1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n<\/h1>\n<p>\nVi\u1ec7c duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o \u0111\u00e1ng tin c\u1eady v\u00e0 nh\u1ea5t qu\u00e1n trong c\u00e1c ng\u00e0nh kh\u00e1c nhau nh\u01b0 n\u00f4ng nghi\u1ec7p, th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. M\u1ed9t trong nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH l\u00e0 hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p b\u1eb1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n.<br \/>\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-10246-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/FCT-8350.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/FCT-8350.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/FCT-8350.mp4<\/a><\/video><\/div><br \/>\nHi\u1ec7u chu\u1ea9n l\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH theo ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c. M\u00e1y \u0111o pH \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. Dung d\u1ecbch hi\u1ec7u chu\u1ea9n l\u00e0 dung d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH. C\u00e1c dung d\u1ecbch n\u00e0y th\u01b0\u1eddng c\u00f3 nhi\u1ec1u gi\u00e1 tr\u1ecb pH kh\u00e1c nhau \u0111\u1ec3 bao tr\u00f9m to\u00e0n b\u1ed9 ph\u1ea1m vi thang \u0111o pH.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"ph controller calibration\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/Q6cj5yVPF0A?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><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/FET-8920-2-grey.png\" alt=\"alt-813\" class=\"wp-image-813\" id=\"i813\" \/><br \/>\nVi\u1ec7c s\u1eed d\u1ee5ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH v\u00ec \u0111i\u1ec7n c\u1ef1c pH c\u00f3 th\u1ec3 b\u1ecb tr\u00f4i theo th\u1eddi gian do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ho\u1eb7c hao m\u00f2n n\u00f3i chung. N\u1ebfu kh\u00f4ng hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 cung c\u1ea5p s\u1ed1 li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai s\u00f3t t\u1ed1n k\u00e9m trong c\u00e1c quy tr\u00ecnh d\u1ef1a v\u00e0o ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/DO-1800-Dissolved-oxygen-measurement-and-control-instrument-2.png\" alt=\"alt-815\" class=\"wp-image-815\" id=\"i815\" \/><br \/>\n\u0110\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH b\u1eb1ng dung d\u1ecbch 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 c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n. Sau \u0111\u00f3, nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft v\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cho \u0111\u1ebfn khi \u0111\u1ecdc \u0111\u00fang gi\u00e1 tr\u1ecb pH c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n. L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y v\u1edbi \u00edt nh\u1ea5t hai dung d\u1ecbch hi\u1ec7u chu\u1ea9n kh\u00e1c nhau \u0111\u1ec3 bao ph\u1ee7 ph\u1ea1m vi gi\u00e1 tr\u1ecb pH.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>S\u1ed1 m\u1eabu<\/td>\n<td colspan=\"4\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c tuy\u1ebfn \u0111i\u1ec7n tr\u1edf d\u1eabn \u0111i\u1ec7n CCT-8301A<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>\u0110i\u1ec7n tr\u1edf su\u1ea5t<\/td>\n<td>TDS<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td>0,1\u03bcS\/cm\uff5e40.0mS\/cm<\/td>\n<td>50K\u03a9\u00b7cm\uff5e18.25M\u03a9\u00b7cm<\/td>\n<td>0,25ppm\uff5e20ppt<\/td>\n<td>(0\uff5e100)\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>0,01\u03bcS\/cm<\/td>\n<td>0,01M\u03a9\u00b7cm<\/td>\n<td>0,01ppm<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5 c\u1ea5p<\/td>\n<td>2.0c\u1ea5p<\/td>\n<td>1,5 c\u1ea5p<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.B\u00f9 \u0111\u1eafp<\/td>\n<td colspan=\"4\">Pt1000<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"4\">Nhi\u1ec7t \u0111\u1ed9. v\u00e0 nbsp;(0\uff5e50)\u2103; v\u00e0 nbsp;\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \u226485% RH<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra T\u01b0\u01a1ng T\u1ef1<\/td>\n<td colspan=\"4\">K\u00eanh \u0111\u00f4i (4\uff5e20)mA\uff0cThi\u1ebft b\u1ecb\/B\u1ed9 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 colspan=\"4\">R\u01a1le b\u00e1n d\u1eabn quang \u0111i\u1ec7n t\u1eed ba k\u00eanh, Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i: AC\/DC 30V\uff0c50mA(max)<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"4\">DC 24V\u00b115 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"4\">\u22644W<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td colspan=\"4\">IP65\uff08v\u1edbi n\u1eafp l\u01b0ng\uff09<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"4\">\u0110\u00e3 g\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"4\">96mm\u00d796mm\u00d794mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"4\">91mm\u00d791mm(H\u00d7W)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n m\u1edbi v\u00e0 b\u1ea3o qu\u1ea3n ch\u00fang \u0111\u00fang c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang. C\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 th\u1ec3 xu\u1ed1ng c\u1ea5p theo th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t n\u1ebfu ch\u00fang ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, \u00e1nh s\u00e1ng ho\u1eb7c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. N\u00ean thay th\u1ebf dung d\u1ecbch hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean, th\u01b0\u1eddng l\u00e0 3-6 th\u00e1ng m\u1ed9t l\u1ea7n, t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o qu\u1ea3n.<\/p>\n<p>Ngo\u00e0i vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean b\u1eb1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i b\u1ea3o qu\u1ea3n v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111o ch\u00ednh x\u00e1c. Gi\u1eef \u0111i\u1ec7n c\u1ef1c s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng c\u00f3 m\u1ea3nh v\u1ee5n, b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH trong h\u1ed9p b\u1ea3o v\u1ec7 khi kh\u00f4ng s\u1eed d\u1ee5ng v\u00e0 tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 b\u1ea3o tr\u00ec v\u00e0 b\u1ea3o qu\u1ea3n.<\/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 pH\/ORP-3500 pH\/ORP<\/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>9.18; 6.86; 4.01; 10.00; 7.00; 4.00<\/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 m\u1ed9t K\u00eanh(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 ti\u1ebfp \u0111i\u1ec3m \u0111\u01a1n)<\/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 v\u00e0 lt;95% RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/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> v\u00e0 lt;3W<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>48mmx96mmx80mm(HxWxD)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>44mmx92mm(CxR)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td>G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nVi\u1ec7c hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p b\u1eb1ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n kh\u00f4ng ch\u1ec9 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH m\u00e0 c\u00f2n \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh trong m\u1ed9t s\u1ed1 ng\u00e0nh nh\u1ea5t \u0111\u1ecbnh. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 nh\u1eefng h\u01b0\u1edbng d\u1eabn nghi\u00eam ng\u1eb7t v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH v\u00e0 vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean b\u1eb1ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 theo d\u00f5i th\u01b0\u1eddng l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ec3 tu\u00e2n th\u1ee7.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Water Purifier Connector plastic\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/BSewaEiSDwo?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>\nT\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p b\u1eb1ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n 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 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c, s\u1eed d\u1ee5ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n m\u1edbi v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng sai s\u00f3t t\u1ed1n k\u00e9m. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n nh\u01b0ng quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a ph\u00e9p \u0111o pH.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p b\u1eb1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n Vi\u1ec7c duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o \u0111\u00e1ng tin c\u1eady v\u00e0 nh\u1ea5t qu\u00e1n trong c\u00e1c ng\u00e0nh kh\u00e1c nhau nh\u01b0 n\u00f4ng nghi\u1ec7p, th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3141,"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":[200],"tags":[],"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":false,"content":false,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":false,"content":false,"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":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"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\/10246"}],"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=10246"}],"version-history":[{"count":13,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/10246\/revisions"}],"predecessor-version":[{"id":10467,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/10246\/revisions\/10467"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/3141"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=10246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=10246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=10246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}