Khi d\u1ea1o ph\u1ed1, \u1edf \u0111\u00e2u ta c\u0169ng nh\u00ecn th\u1ea5y n\u01b0\u1edbc gi\u1ea3i kh\u00e1t v\u00e0 n\u01b0\u1edbc kho\u00e1ng. Ng\u00e0y nay, khi ngu\u1ed3n n\u01b0\u1edbc ng\u00e0y m\u1ed9t b\u1ecb \u00f4 nhi\u1ec5m th\u00ec nh\u1eefng m\u1eb7t h\u00e0ng n\u01b0\u1edbc gi\u00e1 c\u1ea3 kh\u00f4ng \u0111\u1eaft n\u00e0y qu\u1ea3 th\u1ef1c r\u1ea5t h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi ti\u00eau d\u00f9ng. Ch\u1eafc ch\u1eafn l\u00e0 u\u1ed1ng n\u01b0\u1edbc kho\u00e1ng nguy\u00ean ch\u1ea5t so v\u1edbi n\u01b0\u1edbc m\u00e1y b\u1ecb \u00f4 nhi\u1ec5m ho\u1eb7c n\u01b0\u1edbc gi\u1ebfng \u1edf n\u00f4ng th\u00f4n s\u1ebd y\u00ean t\u00e2m h\u01a1n nhi\u1ec1u. Nh\u01b0ng cho d\u00f9 l\u00e0 n\u01b0\u1edbc kho\u00e1ng, n\u01b0\u1edbc nguy\u00ean ch\u1ea5t ho\u1eb7c n\u01b0\u1edbc gi\u1ea3i kh\u00e1t, t\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 \u0111\u1ec1u kh\u00f4ng th\u1ec3 thay th\u1ebf \u0111\u01b0\u1ee3c n\u01b0\u1edbc thi\u00ean nhi\u00ean ho\u1eb7c n\u01b0\u1edbc kh\u00f4ng b\u1ecb \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n
N\u01b0\u1edbc gi\u1ea3i kh\u00e1t tuy h\u1ee3p kh\u1ea9u v\u1ecb v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, c\u00f3 ch\u1ea5t dinh d\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng n\u00f3i chung \u0111\u1ec1u ch\u1ee9a \u0111\u01b0\u1eddng v\u00e0 kh\u00e1 nhi\u1ec1u ch\u1ea5t m\u00e0u. L\u01b0\u1ee3ng \u0111\u01b0\u1eddng v\u00e0 ch\u1ea5t m\u00e0u nhi\u1ec1u s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh m\u1ee1, khi\u1ebfn cho c\u01a1 th\u1ec3 b\u00e9o l\u00ean ho\u1eb7c d\u1ec5 m\u1eafc b\u1ec7nh \u0111\u00e1i \u0111\u01b0\u1eddng. C\u00e1c ch\u1ea5t m\u00e0u \u0111\u01b0\u1ee3c t\u00e1ch t\u1eeb trong d\u1ea7u m\u1ecf ho\u1eb7c d\u1ea7u than \u0111\u00e1 \u0111\u1ec1u ti\u1ec1m t\u00e0ng nh\u1eefng ch\u1ea5t g\u00e2y ung th\u01b0. V\u00ed d\u1ee5, n\u1ebfu u\u1ed1ng n\u01b0\u1edbc gi\u1ea3i kh\u00e1t thay n\u01b0\u1edbc tr\u1eafng, th\u1eddi gian d\u00e0i s\u1ebd \u1ea3nh h\u01b0\u1edfng kh\u00f4ng t\u1ed1t \u0111\u1ebfn s\u1ee9c kh\u1ecfe.<\/p>\n\n\n\n
U\u1ed1ng n\u01b0\u1edbc kho\u00e1ng l\u00e2u d\u00e0i, c\u01a1 th\u1ec3 h\u1ea5p thu m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng n\u00e0o \u0111\u00f3 qu\u00e1 m\u1ee9c. C\u0103n c\u1ee9 c\u00e1c t\u00e0i li\u1ec7u th\u1ed1ng k\u00ea th\u00ec m\u1ed9t ng\u01b0\u1eddi n\u1eb7ng 68 kg, trong c\u01a1 th\u1ec3 ch\u1ee9a 5,68 g s\u1eaft, 2 g k\u1ebdm, 0,11 g \u0111\u1ed3ng v\u00e0 m\u1ed9t s\u1ed1 vi l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh c\u00e1c ch\u1ea5t kh\u00e1c v\u1edbi h\u00e0m l\u01b0\u1ee3ng \u1edf m\u1ee9c ppm (t\u1ee9c l\u00e0 1\/1 tri\u1ec7u) ho\u1eb7c ppb (t\u1ee9c l\u00e0 1\/1 t\u1ec9) th\u1eadm ch\u00ed c\u00f2n \u00edt h\u01a1n. T\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng trong c\u01a1 th\u1ec3 r\u1ea5t k\u00ec di\u1ec7u. N\u1ebfu kh\u00f4ng \u0111\u1ee7 th\u00ec s\u1ebd m\u1eafc b\u1ec7nh, nhi\u1ec1u h\u01a1n s\u1ebd c\u00f3 h\u1ea1i, nh\u1ea5t thi\u1ebft kh\u00f4ng th\u1ec3 thi\u1ebfu, nh\u01b0ng kh\u00f4ng ph\u1ea3i c\u1ee9 nhi\u1ec1u l\u00e0 t\u1ed1t. H\u00e0m l\u01b0\u1ee3ng m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng n\u00e0o \u0111\u00f3 trong n\u01b0\u1edbc kho\u00e1ng so v\u1edbi trong n\u01b0\u1edbc t\u1ef1 nhi\u00ean nhi\u1ec1u h\u01a1n nhi\u1ec1u. U\u1ed1ng l\u00e2u d\u00e0i n\u01b0\u1edbc kho\u00e1ng s\u1ebd khi\u1ebfn cho h\u00e0m l\u01b0\u1ee3ng m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 n\u00e0o \u0111\u00f3 v\u01b0\u1ee3t qu\u00e1 nhu c\u1ea7u c\u1ee7a c\u01a1 th\u1ec3, c\u00f2n n\u01b0\u1edbc thu\u1ea7n khi\u1ebft th\u00ec ng\u01b0\u1ee3c l\u1ea1i v\u1edbi n\u01b0\u1edbc kho\u00e1ng, c\u00e1c kho\u00e1ng ch\u1ea5t v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng trong \u0111\u00f3 thi\u00ean v\u1ec1 \u00edt \u0111i.<\/p>\n\n\n\n
M\u1ed9t mi\u1ec1n \u0111\u1ea5t, m\u1ed9t con ng\u01b0\u1eddi. Nghi\u00ean c\u1ee9u khoa h\u1ecdc cho ta bi\u1ebft, trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a l\u00e2u d\u00e0i c\u1ee7a nh\u00e2n lo\u1ea1i, con ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 m\u1ed1i quan h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi n\u01b0\u1edbc t\u1ef1 nhi\u00ean. Trong n\u01b0\u1edbc t\u1ef1 nhi\u00ean c\u00f3 \u0111\u1ee7 c\u00e1c kho\u00e1ng ch\u1ea5t v\u00e0 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng h\u00f2a tan trong \u0111\u00f3, h\u00e0m l\u01b0\u1ee3ng c\u1ee7a n\u00f3 \u0111\u00e3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u01a1 th\u1ec3. Nh\u1eefng nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng m\u00e0 c\u01a1 th\u1ec3 \u0111\u00f2i h\u1ecfi, ngo\u00e0i th\u1ee9c \u0103n ra ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c b\u1ed5 sung b\u1eb1ng n\u01b0\u1edbc u\u1ed1ng. V\u00ec v\u1eady n\u01b0\u1edbc thi\u00ean nhi\u00ean c\u00f3 m\u1ed9t v\u1ecb tr\u00ed kh\u00f4ng g\u00ec c\u00f3 th\u1ec3 thay th\u1ebf \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. \u0110i\u1ec1u m\u00e0 ch\u00fang ta c\u1ea7n l\u00e0m l\u00e0 h\u00e3y c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc thi\u00ean nhi\u00ean, \u1edf n\u00f4ng th\u00f4n ph\u1ea3i b\u1ea3o \u0111\u1ea3m ngu\u1ed3n n\u01b0\u1edbc thi\u00ean nhi\u00ean t\u1ed1t, khi\u1ebfn cho n\u00f3 kh\u00f4ng b\u1ecb \u00f4 nhi\u1ec5m. N\u01b0\u1edbc m\u00e1y \u1edf th\u00e0nh ph\u1ed1 n\u00ean \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u1ec7 sinh qu\u1ed1c gia cho ph\u00e9p. Ngo\u00e0i ra, n\u01b0\u1edbc c\u1ea7n ph\u1ea3i \u0111un s\u00f4i m\u1edbi u\u1ed1ng. U\u1ed1ng nhi\u1ec1u n\u01b0\u1edbc \u0111un s\u00f4i m\u1edbi \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe cho b\u1ea3n th\u00e2n.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng; N\u01b0\u1edbc thi\u00ean nhi\u00ean.<\/p>\n","protected":false},"excerpt":{"rendered":"
Khi d\u1ea1o ph\u1ed1, \u1edf \u0111\u00e2u ta c\u0169ng nh\u00ecn th\u1ea5y n\u01b0\u1edbc gi\u1ea3i kh\u00e1t v\u00e0 n\u01b0\u1edbc kho\u00e1ng. Ng\u00e0y nay, khi ngu\u1ed3n n\u01b0\u1edbc ng\u00e0y m\u1ed9t b\u1ecb \u00f4 nhi\u1ec5m th\u00ec nh\u1eefng m\u1eb7t h\u00e0ng n\u01b0\u1edbc gi\u00e1 c\u1ea3 kh\u00f4ng \u0111\u1eaft n\u00e0y qu\u1ea3 th\u1ef1c r\u1ea5t h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi ti\u00eau d\u00f9ng. Ch\u1eafc ch\u1eafn l\u00e0 u\u1ed1ng n\u01b0\u1edbc kho\u00e1ng nguy\u00ean ch\u1ea5t so v\u1edbi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,17],"tags":[],"class_list":["post-9555","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9555"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9555\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}