{"id":14551,"date":"2024-05-14T16:26:50","date_gmt":"2024-05-14T08:26:50","guid":{"rendered":"https:\/\/shchimay.com\/?p=14551"},"modified":"2024-05-16T16:36:21","modified_gmt":"2024-05-16T08:36:21","slug":"water-quality-testing-ap-environmental-science","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/water-quality-testing-ap-environmental-science\/","title":{"rendered":"\u1ee9ng d\u1ee5ng ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng"},"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\/water-quality-testing-ap-environmental-science\/#Tam_quan_trong_cua_viec_kiem_tra_chat_luong_nuoc_thuong_xuyen_trong_khoa_hoc_moi_truong\" title=\"T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng<\/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\/water-quality-testing-ap-environmental-science\/#Phuong_phap_va_cong_nghe_tien_hanh_kiem_tra_chat_luong_nuoc_trong_khoa_hoc_moi_truong_AP\" title=\"Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng AP\">Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng AP<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"the-importance-of-regular-water-quality-testing-in-environmental-science-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Tam_quan_trong_cua_viec_kiem_tra_chat_luong_nuoc_thuong_xuyen_trong_khoa_hoc_moi_truong\"><\/span>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nKi\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng gi\u00fap theo d\u00f5i v\u00e0 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a ch\u00fang ta. V\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda \u00f4 nhi\u1ec5m v\u00e0 \u00f4 nhi\u1ec5m ng\u00e0y c\u00e0ng t\u0103ng, \u0111i\u1ec1u quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft l\u00e0 ph\u1ea3i th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u1ea3 con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>M\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh t\u1ea1i sao ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 c\u1ea7n thi\u1ebft l\u00e0 \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng. N\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng r\u1ee7i ro nghi\u00eam tr\u1ecdng cho s\u1ee9c kh\u1ecfe c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ti\u00eau th\u1ee5 n\u00f3, d\u1eabn \u0111\u1ebfn m\u1ed9t lo\u1ea1t b\u1ec7nh t\u1eadt. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc, 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 b\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang tr\u01b0\u1edbc khi ch\u00fang tr\u1edf th\u00e0nh m\u1ed1i nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe.<\/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 tr\u1ef1c tuy\u1ebfn pH\/ORP-8500A<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>pH:0,00~14,00 ; ORP:(-1999~+1999)mV; Nhi\u1ec7t \u0111\u1ed9.:(0,0~100,0)\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>B\u00f9 nhi\u1ec7t \u0111\u1ed9 NTC10K<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td>(0~80)\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>K\u00eanh \u0111\u00f4i b\u1ecb c\u00f4 l\u1eadp; c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4~20)mA, ch\u1ebf \u0111\u1ed9 d\u1ee5ng c\u1ee5\/m\u00e1y ph\u00e1t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td>C\u00f4ng t\u1eafc quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, d\u00f2ng t\u1ea3i: AC\/DC 30V, 50mA(max)<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed5ng giao ti\u1ebfp<\/td>\n<td>RS485,giao th\u1ee9c Modbus RTU<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(0~80)\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<\/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>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>96mmx96mmx94mm(CxRxS)<\/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>\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-14551-1\" 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>Ngo\u00e0i vi\u1ec7c b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng, vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. \u00d4 nhi\u1ec5m t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00f2ng ch\u1ea3y c\u00f4ng nghi\u1ec7p v\u00e0 ch\u1ea5t th\u1ea3i n\u00f4ng nghi\u1ec7p, c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng t\u00e0n ph\u00e1 \u0111\u1ebfn h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c c\u00f3 nguy c\u01a1 b\u1ecb \u00f4 nhi\u1ec5m v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ng\u0103n ng\u1eeba thi\u1ec7t h\u1ea1i th\u00eam cho m\u00f4i tr\u01b0\u1eddng.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Reverse Osmosis Controller introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/Az3n9fYEmZA?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>H\u01a1n n\u1eefa, vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a t\u00e0i nguy\u00ean n\u01b0\u1edbc c\u1ee7a ch\u00fang ta. V\u1edbi nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 n\u01b0\u1edbc s\u1ea1ch, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a ch\u00fang ta \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang v\u1eabn t\u1ed3n t\u1ea1i cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a n\u01b0\u1edbc v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang tr\u01b0\u1edbc khi qu\u00e1 mu\u1ed9n.<\/p>\n<p>C\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \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 th\u1eed nghi\u1ec7m v\u1eadt l\u00fd li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u0111\u1ee5c v\u00e0 \u0111\u1ed9 pH, trong khi th\u1eed nghi\u1ec7m h\u00f3a h\u1ecdc t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u1ee5 th\u1ec3 nh\u01b0 kim lo\u1ea1i n\u1eb7ng v\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u. M\u1eb7t kh\u00e1c, c\u00e1c x\u00e9t nghi\u1ec7m sinh h\u1ecdc li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u00e1nh gi\u00e1 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a vi khu\u1ea9n v\u00e0 c\u00e1c vi sinh v\u1eadt kh\u00e1c trong n\u01b0\u1edbc.<\/p>\n<p>M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, s\u1eb5n c\u00f3 v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng . Nh\u1eefng b\u1ed9 d\u1ee5ng c\u1ee5 n\u00e0y th\u01b0\u1eddng bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m kh\u00e1c nhau, gi\u00fap m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc t\u1ea1i nh\u00e0 ho\u1eb7c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-6900-PH-orp-controller-1.jpg\" alt=\"alt-6111\" class=\"wp-image-6111\" id=\"i6111\" \/><br \/>\nNgo\u00e0i vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc theo th\u1eddi gian. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc v\u00e0 so s\u00e1nh k\u1ebft qu\u1ea3 v\u1edbi c\u00e1c l\u1ea7n ki\u1ec3m tra tr\u01b0\u1edbc \u0111\u00f3, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 xu h\u01b0\u1edbng ho\u1eb7c m\u00f4 h\u00ecnh n\u00e0o c\u00f3 th\u1ec3 cho th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111ang suy gi\u1ea3m. Th\u00f4ng tin n\u00e0y c\u00f3 th\u1ec3 gi\u00fap ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ch\u00fang leo thang.<\/p>\n<p>T\u00f3m l\u1ea1i, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng gi\u00fap b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a ch\u00fang ta t\u00e0i nguy\u00ean. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc v\u00e0 theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i theo th\u1eddi gian, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ti\u1ec1m \u1ea9n, gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ch\u00fang tr\u1edf th\u00e0nh m\u1ed1i nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 b\u1ea3o v\u1ec7 ngu\u1ed3n n\u01b0\u1edbc cho th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>\n<h1 id=\"methods-and-technologies-for-conducting-water-quality-testing-in-ap-environmental-science-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Phuong_phap_va_cong_nghe_tien_hanh_kiem_tra_chat_luong_nuoc_trong_khoa_hoc_moi_truong_AP\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00f4ng ngh\u1ec7 ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng AP<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nKi\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y Khoa h\u1ecdc M\u00f4i tr\u01b0\u1eddng AP, v\u00ec n\u00f3 cho ph\u00e9p h\u1ecdc sinh hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi \u0111\u1ed1i v\u1edbi t\u00e0i nguy\u00ean n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, h\u1ecdc sinh c\u00f3 th\u1ec3 ph\u00e2n t\u00edch c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c nhau nh\u01b0 \u0111\u1ed9 pH, oxy h\u00f2a tan, \u0111\u1ed9 \u0111\u1ee5c v\u00e0 m\u1ee9c dinh d\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a v\u00f9ng n\u01b0\u1edbc.<\/p>\n<p>M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 thu th\u1eadp m\u1eabu n\u01b0\u1edbc t\u1eeb c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau v\u00e0 ph\u00e2n t\u00edch ch\u00fang trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p sinh vi\u00ean thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3. \u0110\u1ec3 l\u1ea5y m\u1eabu n\u01b0\u1edbc, h\u1ecdc sinh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u d\u1ee5ng c\u1ee5 kh\u00e1c nhau nh\u01b0 d\u1ee5ng c\u1ee5 l\u1ea5y m\u1eabu n\u01b0\u1edbc, chai, \u0111\u1ed3ng h\u1ed3 \u0111o. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb l\u1ea5y m\u1eabu \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 kh\u1eed tr\u00f9ng \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh l\u00e0m nhi\u1ec5m b\u1ea9n m\u1eabu.<\/p>\n<p>Sau khi l\u1ea5y m\u1eabu n\u01b0\u1edbc, h\u1ecdc sinh c\u00f3 th\u1ec3 ph\u00e2n t\u00edch ch\u00fang b\u1eb1ng nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c nhau nh\u01b0 chu\u1ea9n \u0111\u1ed9, \u0111o quang ph\u1ed5 v\u00e0 s\u1eafc k\u00fd. Nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p sinh vi\u00ean \u0111o n\u1ed3ng \u0111\u1ed9 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c nhau trong c\u00e1c m\u1eabu n\u01b0\u1edbc v\u00e0 x\u00e1c \u0111\u1ecbnh t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch d\u1eef li\u1ec7u thu \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, h\u1ecdc sinh c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n \u00f4 nhi\u1ec5m ti\u1ec1m \u1ea9n v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n tr\u1ef1c tuy\u1ebfn EC-1800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-2000\/4000uS\/cm 0-20\/200mS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-1000\/2000PPM<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5% , 2% , 3% (FS)<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean 25\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e120\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C=0,1\/1,0\/10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n h\u00ecnh LCD 128*64<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/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>96\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Ngo\u00e0i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m, h\u1ecdc sinh c\u0169ng c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng b\u1eb1ng b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra di \u0111\u1ed9ng. Nh\u1eefng b\u1ed9 d\u1ee5ng c\u1ee5 n\u00e0y th\u01b0\u1eddng bao g\u1ed3m que th\u1eed, m\u00e1y \u0111o m\u00e0u v\u00e0 c\u1ea3m bi\u1ebfn cho ph\u00e9p sinh vi\u00ean \u0111o c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh nh\u01b0 \u0111\u1ed9 pH, oxy h\u00f2a tan v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u1ea1i ch\u1ed7. Ki\u1ec3m tra t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 h\u1ecdc sinh c\u00f3 \u0111\u01b0\u1ee3c kinh nghi\u1ec7m th\u1ef1c h\u00e0nh trong vi\u1ec7c gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c.<\/p>\n<p>M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c c\u1ee7a ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong Khoa h\u1ecdc M\u00f4i tr\u01b0\u1eddng AP l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u. H\u1ecdc sinh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ef1c tuy\u1ebfn v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m \u0111\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u l\u1ecbch s\u1eed v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, t\u1ea1o bi\u1ec3u \u0111\u1ed3 v\u00e0 bi\u1ec3u \u0111\u1ed3 c\u0169ng nh\u01b0 so s\u00e1nh k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c v\u1ecb tr\u00ed l\u1ea5y m\u1eabu kh\u00e1c nhau. C\u00f4ng ngh\u1ec7 c\u0169ng cho ph\u00e9p sinh vi\u00ean c\u1ed9ng t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed3ng nghi\u1ec7p v\u00e0 chuy\u00ean gia trong l\u0129nh v\u1ef1c n\u00e0y \u0111\u1ec3 chia s\u1ebb d\u1eef li\u1ec7u v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/p>\n<p>H\u01a1n n\u1eefa, nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn \u0111\u00e3 gi\u00fap sinh vi\u00ean gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc theo th\u1eddi gian th\u1ef1c d\u1ec5 d\u00e0ng h\u01a1n. H\u1ecdc sinh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn \u0111\u1ec3 li\u00ean t\u1ee5c \u0111o c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 pH v\u00e0 \u0111\u1ed9 \u0111\u1ee5c trong n\u01b0\u1edbc v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y \u0111\u1ebfn m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c cung c\u1ea5p cho h\u1ecdc sinh ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c v\u1ec1 t\u00ecnh tr\u1ea1ng c\u1ee7a v\u00f9ng n\u01b0\u1edbc v\u00e0 cho ph\u00e9p c\u00e1c em ph\u1ea3n \u1ee9ng nhanh v\u1edbi m\u1ecdi thay \u0111\u1ed5i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/p>\n<p>T\u00f3m l\u1ea1i, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh gi\u1ea3ng d\u1ea1y Khoa h\u1ecdc M\u00f4i tr\u01b0\u1eddng AP cho ph\u00e9p h\u1ecdc sinh \u0111\u00e1nh gi\u00e1 s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i th\u1ee7y sinh v\u00e0 hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a ho\u1ea1t \u0111\u1ed9ng con ng\u01b0\u1eddi \u0111\u1ebfn t\u00e0i nguy\u00ean n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p trong ph\u00f2ng th\u00ed nghi\u1ec7m, th\u1eed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 c\u00f4ng ngh\u1ec7, sinh vi\u00ean c\u00f3 th\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, ph\u00e2n t\u00edch c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00f4ng ch\u1ec9 n\u00e2ng cao hi\u1ec3u bi\u1ebft c\u1ee7a h\u1ecdc sinh v\u1ec1 khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n gi\u00fap c\u00e1c em tr\u1edf th\u00e0nh nh\u1eefng ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u00f3 hi\u1ec3u bi\u1ebft v\u00e0 c\u00f3 tr\u00e1ch nhi\u1ec7m \u0111\u1ed1i v\u1edbi t\u00e0i nguy\u00ean n\u01b0\u1edbc c\u1ee7a ch\u00fang ta.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/05\/ROC-2315-1.jpg\" alt=\"alt-6126\" class=\"wp-image-6126\" id=\"i6126\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean trong khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng gi\u00fap theo d\u00f5i v\u00e0 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a ch\u00fang ta. 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