{"id":11539,"date":"2024-04-17T11:39:10","date_gmt":"2024-04-17T03:39:10","guid":{"rendered":"https:\/\/shchimay.com\/?p=11539"},"modified":"2024-04-17T15:50:50","modified_gmt":"2024-04-17T07:50:50","slug":"why-is-it-important-to-test-water-quality","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/why-is-it-important-to-test-water-quality\/","title":{"rendered":"t\u1ea1i sao vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1ea1i quan tr\u1ecdng"},"content":{"rendered":"<h1 id=\"the-impact-of-poor-water-quality-on-human-health-and-the-environment-wpaicgheading\">T\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/h1>\n<p>\nN\u01b0\u1edbc r\u1ea5t c\u1ea7n thi\u1ebft cho m\u1ecdi sinh v\u1eadt s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t, bao g\u1ed3m c\u1ea3 con ng\u01b0\u1eddi. N\u00f3 r\u1ea5t quan tr\u1ecdng cho vi\u1ec7c cung c\u1ea5p n\u01b0\u1edbc, v\u1ec7 sinh v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y kh\u00e1c. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 n\u01b0\u1edbc \u0111\u1ec1u an to\u00e0n \u0111\u1ec3 ti\u00eau th\u1ee5 ho\u1eb7c s\u1eed d\u1ee5ng. Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng \u1ea3nh h\u01b0\u1edfng b\u1ea5t l\u1ee3i \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u1eabu nh\u1ea1c c\u1ee5<\/td>\n<td colspan=\"2\">FET-8920<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Ph\u1ea1m vi \u0111o<\/td>\n<td>D\u00f2ng ch\u1ea3y t\u1ee9c th\u1eddi<\/td>\n<td>(0~2000)m3\/h<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng t\u00edch l\u0169y<\/td>\n<td>(0~99999999)m3<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y<\/td>\n<td>(0,5~5)m\/s<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td colspan=\"2\">0,001m3\/h<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td colspan=\"2\">D\u01b0\u1edbi 2,5% RS ho\u1eb7c 0,025m\/s, t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn nh\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td colspan=\"2\"> v\u00e0 gt;20\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">(4~20)\u0111\u1ea7u ra mA<\/td>\n<td>S\u1ed1 l\u01b0\u1ee3ng k\u00eanh<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt<\/td>\n<td>C\u00e1ch ly, \u0111\u1ea3o ng\u01b0\u1ee3c, \u0111i\u1ec1u ch\u1ec9nh, \u0111\u1ed3ng h\u1ed3 \u0111o\/h\u1ed9p s\u1ed1 v\u00e0 ch\u1ebf \u0111\u1ed9 k\u00e9p<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td>400\u03a9\uff08Max\uff09, DC 24V<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c truy\u1ec1n<\/td>\n<td>\u00b10.1mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ea7u ra \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>S\u1ed1 l\u01b0\u1ee3ng k\u00eanh<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n<\/td>\n<td>R\u01a1le quang \u0111i\u1ec7n b\u00e1n d\u1eabn<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/td>\n<td>50mA\uff08Max\uff09, DC 30V<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>B\u00e1o \u0111\u1ed9ng gi\u1edbi h\u1ea1n tr\u00ean\/d\u01b0\u1edbi s\u1ed1 l\u01b0\u1ee3ng t\u1ee9c th\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra k\u1ef9 thu\u1eadt s\u1ed1<\/td>\n<td colspan=\"2\">RS485(giao th\u1ee9c MODBUS), \u0111\u1ea7u ra xung1KHz<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng su\u1ea5t l\u00e0m vi\u1ec7c<\/td>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>DC 9~28V<\/td>\n<\/tr>\n<tr>\n<td>ngu\u1ed3n<\/td>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/td>\n<td>\u22643.0W<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>\u0110\u01b0\u1eddng k\u00ednh<\/td>\n<td>DN40~DN300(c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9:(0~50) v\u00e0 nbsp;\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i: v\u00e0 nbsp;\u226485 ph\u1ea7n tr\u0103m 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 colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9:(-20~60) v\u00e0 nbsp;\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i: v\u00e0 nbsp;\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p b\u1ea3o v\u1ec7<\/td>\n<td colspan=\"2\">IP65<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p c\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"2\">Ch\u00e8n v\u00e0 nbsp;pipeline v\u00e0 nbsp;c\u00e0i \u0111\u1eb7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nM\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh t\u1ea1i sao vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1ea1i quan tr\u1ecdng l\u00e0 \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. N\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 ch\u1ee9a vi khu\u1ea9n, vi r\u00fat v\u00e0 h\u00f3a ch\u1ea5t c\u00f3 h\u1ea1i c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u lo\u1ea1i b\u1ec7nh, t\u1eeb c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u1eb9 v\u1ec1 \u0111\u01b0\u1eddng ti\u00eau h\u00f3a \u0111\u1ebfn c\u00e1c t\u00ecnh tr\u1ea1ng nghi\u00eam tr\u1ecdng h\u01a1n nh\u01b0 d\u1ecbch t\u1ea3 v\u00e0 th\u01b0\u01a1ng h\u00e0n. B\u1eb1ng c\u00e1ch ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ti\u1ec1m \u1ea9n n\u00e0o v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc tr\u01b0\u1edbc khi ti\u00eau th\u1ee5.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9900-Conductivity-Resistivity-Measurement-and-Control-Instrument.png\" alt=\"alt-932\" class=\"wp-image-932\" id=\"i932\" \/><\/p>\n<p>Ngo\u00e0i vi\u1ec7c b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. N\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn c\u00e1i ch\u1ebft c\u1ee7a c\u00e1 v\u00e0 c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc kh\u00e1c. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y \u00f4 nhi\u1ec5m \u0111\u1ea5t v\u00e0 n\u01b0\u1edbc ng\u1ea7m, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt v\u00e0 s\u1ee9c kh\u1ecfe h\u1ec7 sinh th\u00e1i t\u1ed5ng th\u1ec3. B\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, ch\u00fang ta c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m v\u00e0 b\u1ea3o v\u1ec7 t\u00e0i nguy\u00ean thi\u00ean nhi\u00ean cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<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-11539-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/POP-8300.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/POP-8300.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/POP-8300.mp4<\/a><\/video><\/div><br \/>\nH\u01a1n n\u1eefa, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c \u0111\u1ed9ng kinh t\u1ebf. N\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u0103ng chi ph\u00ed ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe do vi\u1ec7c \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh l\u00e2y truy\u1ec1n qua \u0111\u01b0\u1eddng n\u01b0\u1edbc. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c ng\u00e0nh ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o n\u01b0\u1edbc s\u1ea1ch, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u00f4ng nghi\u1ec7p v\u00e0 du l\u1ecbch. B\u1eb1ng c\u00e1ch ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean, ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngu\u1ed3n n\u01b0\u1edbc lu\u00f4n an to\u00e0n v\u00e0 b\u1ec1n v\u1eefng cho c\u1ea3 ho\u1ea1t \u0111\u1ed9ng kinh t\u1ebf v\u00e0 s\u1eed d\u1ee5ng c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u1eabu nh\u1ea1c c\u1ee5<\/td>\n<td colspan=\"2\">FET-8920<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Ph\u1ea1m vi \u0111o<\/td>\n<td>D\u00f2ng ch\u1ea3y t\u1ee9c th\u1eddi<\/td>\n<td>(0~2000)m3\/h<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng t\u00edch l\u0169y<\/td>\n<td>(0~99999999)m3<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y<\/td>\n<td>(0,5~5)m\/s<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td colspan=\"2\">0,001m3\/h<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td colspan=\"2\">D\u01b0\u1edbi 2,5% RS ho\u1eb7c 0,025m\/s, t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn nh\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td colspan=\"2\"> v\u00e0 gt;20\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">(4~20)\u0111\u1ea7u ra mA<\/td>\n<td>S\u1ed1 l\u01b0\u1ee3ng k\u00eanh<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt<\/td>\n<td>C\u00e1ch ly, \u0111\u1ea3o ng\u01b0\u1ee3c, \u0111i\u1ec1u ch\u1ec9nh, \u0111\u1ed3ng h\u1ed3 \u0111o\/h\u1ed9p s\u1ed1 v\u00e0 ch\u1ebf \u0111\u1ed9 k\u00e9p<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td>400\u03a9\uff08Max\uff09, DC 24V<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c truy\u1ec1n<\/td>\n<td>\u00b10.1mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ea7u ra \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>S\u1ed1 l\u01b0\u1ee3ng k\u00eanh<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n<\/td>\n<td>R\u01a1le quang \u0111i\u1ec7n b\u00e1n d\u1eabn<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/td>\n<td>50mA\uff08Max\uff09, DC 30V<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>B\u00e1o \u0111\u1ed9ng gi\u1edbi h\u1ea1n tr\u00ean\/d\u01b0\u1edbi s\u1ed1 l\u01b0\u1ee3ng t\u1ee9c th\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra k\u1ef9 thu\u1eadt s\u1ed1<\/td>\n<td colspan=\"2\">RS485(giao th\u1ee9c MODBUS), \u0111\u1ea7u ra xung1KHz<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng su\u1ea5t l\u00e0m vi\u1ec7c<\/td>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>DC 9~28V<\/td>\n<\/tr>\n<tr>\n<td>ngu\u1ed3n<\/td>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/td>\n<td>\u22643.0W<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>\u0110\u01b0\u1eddng k\u00ednh<\/td>\n<td>DN40~DN300(c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9:(0~50) v\u00e0 nbsp;\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i: v\u00e0 nbsp;\u226485 ph\u1ea7n tr\u0103m 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 colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9:(-20~60) v\u00e0 nbsp;\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i: v\u00e0 nbsp;\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p b\u1ea3o v\u1ec7<\/td>\n<td colspan=\"2\">IP65<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p c\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"2\">Ch\u00e8n v\u00e0 nbsp;pipeline v\u00e0 nbsp;c\u00e0i \u0111\u1eb7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nC\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, bao g\u1ed3m c\u00e1c x\u00e9t nghi\u1ec7m v\u1eadt l\u00fd, h\u00f3a h\u1ecdc v\u00e0 sinh h\u1ecdc. C\u00e1c x\u00e9t nghi\u1ec7m v\u1eadt l\u00fd \u0111o c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u0111\u1ee5c v\u00e0 \u0111\u1ed9 pH. C\u00e1c x\u00e9t nghi\u1ec7m h\u00f3a h\u1ecdc ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m nh\u01b0 kim lo\u1ea1i n\u1eb7ng, thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 nitrat. C\u00e1c x\u00e9t nghi\u1ec7m sinh h\u1ecdc \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 vi khu\u1ea9n v\u00e0 c\u00e1c vi sinh v\u1eadt kh\u00e1c trong n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c th\u1eed nghi\u1ec7m kh\u00e1c nhau n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ee9c tranh to\u00e0n c\u1ea3nh v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 x\u00e1c \u0111\u1ecbnh m\u1ecdi v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/pH-ORP-3500-series-pH-ORP-Online-Meter-Spec.jpg\" alt=\"alt-939\" class=\"wp-image-939\" id=\"i939\" \/><br \/>\n\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo ngu\u1ed3n v\u00e0 v\u1ecb tr\u00ed. Trong khi m\u1ed9t s\u1ed1 ngu\u1ed3n n\u01b0\u1edbc c\u00f3 th\u1ec3 s\u1ea1ch t\u1ef1 nhi\u00ean v\u00e0 an to\u00e0n \u0111\u1ec3 u\u1ed1ng th\u00ec nh\u1eefng ngu\u1ed3n n\u01b0\u1edbc kh\u00e1c c\u00f3 th\u1ec3 b\u1ecb \u00f4 nhi\u1ec5m do c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi nh\u01b0 \u00f4 nhi\u1ec5m c\u00f4ng nghi\u1ec7p, n\u01b0\u1edbc th\u1ea3i n\u00f4ng nghi\u1ec7p v\u00e0 x\u1eed l\u00fd ch\u1ea5t th\u1ea3i kh\u00f4ng \u0111\u00fang c\u00e1ch. B\u1eb1ng c\u00e1ch ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n n\u01b0\u1edbc \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u ti\u00eau d\u00f9ng c\u1ee7a con ng\u01b0\u1eddi c\u0169ng nh\u01b0 s\u1ee9c kh\u1ecfe m\u00f4i tr\u01b0\u1eddng.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"High Accuracy 4-20mA Absolute Pressure Transmitter For Liquid Gas And Steam\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/EL0pJGBee4I?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>T\u00f3m l\u1ea1i, vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng v\u1ec1 kinh t\u1ebf. B\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1, ch\u00fang ta c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba c\u00e1c b\u1ec7nh l\u00e2y truy\u1ec1n qua \u0111\u01b0\u1eddng n\u01b0\u1edbc, b\u1ea3o v\u1ec7 h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd n\u01b0\u1edbc b\u1ec1n v\u1eefng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u00e1c c\u00e1 nh\u00e2n, c\u1ed9ng \u0111\u1ed3ng v\u00e0 ch\u00ednh ph\u1ee7 ph\u1ea3i h\u1ee3p t\u00e1c c\u00f9ng nhau \u0111\u1ec3 \u01b0u ti\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 n\u01b0\u1edbc s\u1ea1ch v\u00e0 an to\u00e0n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng N\u01b0\u1edbc r\u1ea5t c\u1ea7n thi\u1ebft cho m\u1ecdi sinh v\u1eadt s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t, bao g\u1ed3m c\u1ea3 con ng\u01b0\u1eddi. N\u00f3 r\u1ea5t quan tr\u1ecdng cho vi\u1ec7c cung c\u1ea5p n\u01b0\u1edbc, v\u1ec7 sinh v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y kh\u00e1c. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1182,"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":true,"content":true,"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":true,"content":true,"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\/11539"}],"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=11539"}],"version-history":[{"count":15,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11539\/revisions"}],"predecessor-version":[{"id":11617,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11539\/revisions\/11617"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1182"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=11539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=11539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=11539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}