{"id":24194,"date":"2024-09-08T14:33:09","date_gmt":"2024-09-08T06:33:09","guid":{"rendered":"https:\/\/shchimay.com\/?p=24194"},"modified":"2024-09-09T16:45:13","modified_gmt":"2024-09-09T08:45:13","slug":"well-water-testing-for-home-sale","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/well-water-testing-for-home-sale\/","title":{"rendered":"ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng \u0111\u1ec3 b\u00e1n nh\u00e0"},"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\/well-water-testing-for-home-sale\/#Tam_quan_trong_cua_viec_kiem_tra_nuoc_gieng_truoc_khi_ban_nha\" title=\"T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng tr\u01b0\u1edbc khi b\u00e1n nh\u00e0\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng tr\u01b0\u1edbc khi b\u00e1n nh\u00e0<\/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\/well-water-testing-for-home-sale\/#Cac_chat_gay_o_nhiem_thuong_gap_trong_nuoc_gieng_va_cach_xu_ly_chung\" title=\"C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m th\u01b0\u1eddng g\u1eb7p trong n\u01b0\u1edbc gi\u1ebfng v\u00e0 c\u00e1ch x\u1eed l\u00fd ch\u00fang\">C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m th\u01b0\u1eddng g\u1eb7p trong n\u01b0\u1edbc gi\u1ebfng v\u00e0 c\u00e1ch x\u1eed l\u00fd ch\u00fang<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"importance-of-well-water-testing-before-selling-your-home-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Tam_quan_trong_cua_viec_kiem_tra_nuoc_gieng_truoc_khi_ban_nha\"><\/span>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng tr\u01b0\u1edbc khi b\u00e1n nh\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nKhi b\u00e1n nh\u00e0, c\u00f3 r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao d\u1ecbch di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 th\u00e0nh c\u00f4ng. M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng th\u01b0\u1eddng b\u1ecb b\u1ecf qua l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc gi\u1ebfng tr\u00ean khu \u0111\u1ea5t. Ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng kh\u00f4ng n\u00ean b\u1ecf qua tr\u01b0\u1edbc khi \u0111\u01b0a nh\u00e0 c\u1ee7a b\u1ea1n ra th\u1ecb tr\u01b0\u1eddng.<\/p>\n<p>Ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng tr\u01b0\u1edbc khi b\u00e1n nh\u00e0 l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng v\u00ec nhi\u1ec1u l\u00fd do. Tr\u01b0\u1edbc h\u1ebft, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 an to\u00e0n cho nh\u1eefng ng\u01b0\u1eddi c\u01b0 ng\u1ee5 trong t\u01b0\u01a1ng lai c\u1ee7a khu nh\u00e0. N\u01b0\u1edbc gi\u1ebfng 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, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec5m tr\u00f9ng do vi khu\u1ea9n, c\u00e1c b\u1ec7nh v\u1ec1 \u0111\u01b0\u1eddng ti\u00eau h\u00f3a v\u00e0 th\u1eadm ch\u00ed \u1ea3nh h\u01b0\u1edfng s\u1ee9c kh\u1ecfe l\u00e2u d\u00e0i. B\u1eb1ng c\u00e1ch ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng, b\u1ea1n 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 b\u00e1n nh\u00e0.<\/p>\n<p>Ngo\u00e0i nh\u1eefng lo ng\u1ea1i v\u1ec1 s\u1ee9c kh\u1ecfe, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc gi\u1ebfng c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 tr\u1ecb ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n. Nh\u1eefng ng\u01b0\u1eddi mua ti\u1ec1m n\u0103ng ng\u00e0y c\u00e0ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u01b0\u1edbc u\u1ed1ng s\u1ea1ch v\u00e0 an to\u00e0n, v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi s\u1eb5n s\u00e0ng tr\u1ea3 gi\u00e1 cao h\u01a1n cho m\u1ed9t b\u1ea5t \u0111\u1ed9ng s\u1ea3n c\u00f3 n\u01b0\u1edbc gi\u1ebfng ch\u1ea5t l\u01b0\u1ee3ng cao. B\u1eb1ng c\u00e1ch ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng v\u00e0 cung c\u1ea5p k\u1ebft qu\u1ea3 cho ng\u01b0\u1eddi mua ti\u1ec1m n\u0103ng, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee9ng minh r\u1eb1ng t\u00e0i s\u1ea3n c\u1ee7a m\u00ecnh l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 an to\u00e0n v\u00e0 \u0111\u00e1ng mong \u0111\u1ee3i.<\/p>\n<p>H\u01a1n n\u1eefa, vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tr\u00e1nh b\u1ea5t k\u1ef3 b\u1ea5t ng\u1edd n\u00e0o v\u00e0o ph\u00fat cu\u1ed1i trong qu\u00e1 tr\u00ecnh ho\u00e0n t\u1ea5t giao d\u1ecbch. N\u1ebfu ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong n\u01b0\u1edbc gi\u1ebfng sau khi h\u1ee3p \u0111\u1ed3ng mua b\u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00fd k\u1ebft, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ch\u1eadm tr\u1ec5, chi ph\u00ed b\u1ed5 sung v\u00e0 th\u1eadm ch\u00ed l\u00e0 vi\u1ec7c h\u1ee7y b\u1ecf vi\u1ec7c mua b\u00e1n. B\u1eb1ng c\u00e1ch ti\u1ebfn h\u00e0nh ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng s\u1edbm trong qu\u00e1 tr\u00ecnh b\u00e1n h\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 v\u00e0 \u0111\u1ea3m b\u1ea3o giao d\u1ecbch su\u00f4n s\u1ebb v\u00e0 li\u1ec1n m\u1ea1ch.<\/p>\n<p>C\u00f3 m\u1ed9t s\u1ed1 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra trong n\u01b0\u1edbc gi\u1ebfng, bao g\u1ed3m vi khu\u1ea9n, nitrat, ch\u00ec, asen v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i. Nh\u1eefng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o n\u01b0\u1edbc gi\u1ebfng t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u01b0\u1edbc th\u1ea3i n\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng t\u1ef1 ho\u1ea1i v\u00e0 \u00f4 nhi\u1ec5m c\u00f4ng nghi\u1ec7p. Vi\u1ec7c ki\u1ec3m tra c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u01b0\u1edbc gi\u1ebfng t\u1ea1i khu v\u1ef1c nh\u00e0 b\u1ea1n.<\/p>\n<p>Khi ti\u1ebfn h\u00e0nh ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i thu\u00ea m\u1ed9t chuy\u00ean gia c\u00f3 tr\u00ecnh \u0111\u1ed9 v\u00e0 kinh nghi\u1ec7m \u0111\u1ec3 thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch m\u1eabu. Ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn s\u1ebd c\u00f3 th\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng \u00e1n h\u00e0nh \u0111\u1ed9ng t\u1ed1t nh\u1ea5t nh\u1eb1m gi\u1ea3i quy\u1ebft m\u1ecdi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u01b0 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng l\u1ecdc n\u01b0\u1edbc ho\u1eb7c kh\u1eed tr\u00f9ng gi\u1ebfng c\u00f3 th\u1ec3 l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc gi\u1ebfng.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"304 Stainless Steel 4 20mA Pressure Transmitters For Liquid Gas And Steam\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/yhe_bvTxDyA?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, ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng kh\u00f4ng n\u00ean b\u1ecf qua khi b\u00e1n nh\u00e0. B\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 an to\u00e0n c\u1ee7a nh\u1eefng ng\u01b0\u1eddi c\u01b0 ng\u1ee5 trong t\u01b0\u01a1ng lai, th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb t\u00e0i s\u1ea3n c\u1ee7a b\u1ea1n v\u00e0 tr\u00e1nh m\u1ecdi b\u1ea5t ng\u1edd v\u00e0o ph\u00fat cu\u1ed1i, vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n b\u00e1n h\u00e0ng th\u00e0nh c\u00f4ng v\u00e0 kh\u00f4ng c\u0103ng th\u1eb3ng. N\u1ebfu b\u1ea1n \u0111ang c\u00e2n nh\u1eafc vi\u1ec7c b\u00e1n nh\u00e0, h\u00e3y \u0111\u1ea3m b\u1ea3o \u01b0u ti\u00ean vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh b\u00e1n nh\u00e0.<\/p>\n<h1 id=\"common-contaminants-found-in-well-water-and-how-to-address-them-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cac_chat_gay_o_nhiem_thuong_gap_trong_nuoc_gieng_va_cach_xu_ly_chung\"><\/span>C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m th\u01b0\u1eddng g\u1eb7p trong n\u01b0\u1edbc gi\u1ebfng v\u00e0 c\u00e1ch x\u1eed l\u00fd ch\u00fang<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nKhi b\u00e1n nh\u00e0 c\u00f3 gi\u1ebfng ri\u00eang, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n khi s\u1eed d\u1ee5ng. N\u01b0\u1edbc gi\u1ebfng c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c nhau c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe c\u1ee7a ng\u01b0\u1eddi \u1edf trong nh\u00e0. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong n\u01b0\u1edbc gi\u1ebfng bao g\u1ed3m vi khu\u1ea9n, nitrat, asen, ch\u00ec v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i (VOC). \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i gi\u1ea3i quy\u1ebft c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc an to\u00e0n \u0111\u1ec3 u\u1ed1ng v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c trong gia \u0111\u00ecnh.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/09\/DO-1800-Dissolved-oxygen-measurement-and-control-instrument-2.png\" alt=\"alt-8312\" class=\"wp-image-8312\" id=\"i8312\" \/><\/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 Oline d\u1eabn \u0111i\u1ec7n\/n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng CIT-8800<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>1.NaOH:(0~15) ph\u1ea7n tr\u0103m ho\u1eb7c (25~50) ph\u1ea7n tr\u0103m ; 2.HNO<sub>3<\/sub>:(0~25) ph\u1ea7n tr\u0103m ho\u1eb7c (36~82) ph\u1ea7n tr\u0103m ; 3. \u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(500~2.000.000)uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(250~1.000.000)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>(0~120)\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 0,01uS\/cm; N\u1ed3ng \u0111\u1ed9: 0,01% ; TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: (500~1000)uS\/cm +\/-10uS\/cm; (1~2000)mS\/cm+\/-1,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>TDS: c\u1ea5p 1,5, Nhi\u1ec7t \u0111\u1ed9: +\/- 0,5\u2103<\/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>C\u1ed5ng giao ti\u1ebfp<\/td>\n<td>Giao th\u1ee9c RS485.Modbus RTU<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>Hai k\u00eanh c\u00e1ch ly\/c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (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>C\u00f4ng t\u1eafc quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, C\u00f4ng t\u1eafc l\u1eadp tr\u00ecnh, xung v\u00e0 t\u1ea7n s\u1ed1<\/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+15% <\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp sau)<\/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>9lmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nVi khu\u1ea9n l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong n\u01b0\u1edbc gi\u1ebfng. Vi khu\u1ea9n Coliform, bao g\u1ed3m c\u1ea3 E. coli, c\u00f3 th\u1ec3 ch\u1ec9 ra s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a \u00f4 nhi\u1ec5m ph\u00e2n trong n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng r\u1ee7i ro nghi\u00eam tr\u1ecdng cho s\u1ee9c kh\u1ecfe, bao g\u1ed3m c\u1ea3 c\u00e1c b\u1ec7nh v\u1ec1 \u0111\u01b0\u1eddng ti\u00eau h\u00f3a. \u0110\u1ec3 gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m vi khu\u1ea9n, ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng kh\u1eed tr\u00f9ng b\u1eb1ng tia c\u1ef1c t\u00edm ho\u1eb7c h\u1ec7 th\u1ed1ng kh\u1eed tr\u00f9ng b\u1eb1ng clo \u0111\u1ec3 ti\u00eau di\u1ec7t vi khu\u1ea9n trong n\u01b0\u1edbc. Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd lo\u1ea1i b\u1ecf vi khu\u1ea9n kh\u1ecfi n\u01b0\u1edbc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>Nitrat l\u00e0 m\u1ed9t ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ph\u1ed5 bi\u1ebfn kh\u00e1c \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong n\u01b0\u1edbc gi\u1ebfng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c khu v\u1ef1c n\u00f4ng nghi\u1ec7p n\u01a1i s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n. H\u00e0m l\u01b0\u1ee3ng nitrat cao trong n\u01b0\u1edbc u\u1ed1ng c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi tr\u1ebb s\u01a1 sinh v\u00e0 ph\u1ee5 n\u1eef mang thai. \u0110\u1ec3 gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m nitrat, ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c ho\u1eb7c b\u1ed9 l\u1ecdc d\u00e0nh ri\u00eang cho nitrat \u0111\u1ec3 lo\u1ea1i b\u1ecf nitrat kh\u1ecfi n\u01b0\u1edbc. Vi\u1ec7c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 nitrat v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng x\u1eed l\u00fd ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n<p>Arsenic l\u00e0 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong m\u1ed9t s\u1ed1 ngu\u1ed3n n\u01b0\u1edbc gi\u1ebfng. Ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi asen trong n\u01b0\u1edbc u\u1ed1ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 ung th\u01b0 v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe kh\u00e1c. \u0110\u1ec3 gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m asen, ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c t\u1ea1i \u0111i\u1ec3m s\u1eed d\u1ee5ng ho\u1eb7c h\u1ec7 th\u1ed1ng lo\u1ea1i b\u1ecf asen cho to\u00e0n b\u1ed9 ng\u00f4i nh\u00e0. Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 asen v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111ang lo\u1ea1i b\u1ecf asen kh\u1ecfi n\u01b0\u1edbc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>Ch\u00ec l\u00e0 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nh\u1eefng ng\u00f4i nh\u00e0 c\u0169 c\u00f3 \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c thi\u1ebft b\u1ecb \u1ed1ng n\u01b0\u1edbc b\u1eb1ng ch\u00ec. Vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi ch\u00ec trong n\u01b0\u1edbc u\u1ed1ng c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng r\u1ee7i ro nghi\u00eam tr\u1ecdng cho s\u1ee9c kh\u1ecfe, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi tr\u1ebb em v\u00e0 ph\u1ee5 n\u1eef mang thai. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m ch\u00ec, ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t b\u1ed9 l\u1ecdc ch\u00ec t\u1ea1i ch\u1ed7 ho\u1eb7c thay th\u1ebf c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh b\u1eb1ng ch\u00ec b\u1eb1ng c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00f4ng ch\u1ee9a ch\u00ec. Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 ch\u00ec v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111ang lo\u1ea1i b\u1ecf ch\u00ec kh\u1ecfi n\u01b0\u1edbc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>C\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i (VOC) l\u00e0 c\u00e1c h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong m\u1ed9t s\u1ed1 ngu\u1ed3n n\u01b0\u1edbc gi\u1ebfng, th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p ho\u1eb7c n\u00f4ng nghi\u1ec7p. Ti\u1ebfp x\u00fac v\u1edbi VOC trong n\u01b0\u1edbc u\u1ed1ng c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe, bao g\u1ed3m ung th\u01b0 v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe kh\u00e1c. \u0110\u1ec3 gi\u1ea3i quy\u1ebft t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m VOC, ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t b\u1ed9 l\u1ecdc than ho\u1ea1t t\u00ednh t\u1ea1i ch\u1ed7 ho\u1eb7c h\u1ec7 th\u1ed1ng lo\u1ea1i b\u1ecf VOC cho to\u00e0n b\u1ed9 ng\u00f4i nh\u00e0. Ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 VOC v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111ang lo\u1ea1i b\u1ecf VOC kh\u1ecfi n\u01b0\u1edbc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>T\u00f3m l\u1ea1i, ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft khi b\u00e1n nh\u00e0 c\u00f3 gi\u1ebfng ri\u00eang \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc an to\u00e0n \u0111\u1ec3 ti\u00eau d\u00f9ng . C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong n\u01b0\u1edbc gi\u1ebfng bao g\u1ed3m vi khu\u1ea9n, nitrat, asen, ch\u00ec v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i. Ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y b\u1eb1ng c\u00e1ch l\u1eafp \u0111\u1eb7t c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd th\u00edch h\u1ee3p v\u00e0 ti\u1ebfn h\u00e0nh ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc an to\u00e0n \u0111\u1ec3 u\u1ed1ng v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c trong gia \u0111\u00ecnh. B\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft nh\u1eefng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0y, ch\u1ee7 nh\u00e0 c\u00f3 th\u1ec3 mang l\u1ea1i s\u1ef1 y\u00ean t\u00e2m cho ng\u01b0\u1eddi mua ti\u1ec1m n\u0103ng v\u00e0 \u0111\u1ea3m b\u1ea3o vi\u1ec7c b\u00e1n nh\u00e0 su\u00f4n s\u1ebb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra n\u01b0\u1edbc gi\u1ebfng tr\u01b0\u1edbc khi b\u00e1n nh\u00e0 Khi b\u00e1n nh\u00e0, c\u00f3 r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao d\u1ecbch di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 th\u00e0nh c\u00f4ng. M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng th\u01b0\u1eddng b\u1ecb b\u1ecf qua l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc gi\u1ebfng tr\u00ean khu \u0111\u1ea5t. 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