{"id":26367,"date":"2020-10-17T19:47:10","date_gmt":"2020-10-17T12:47:10","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=26367"},"modified":"2021-11-04T09:49:36","modified_gmt":"2021-11-04T02:49:36","slug":"canh-bao-crom-doc-hai-co-the-hinh-thanh-trong-duong-ong-nuoc","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/canh-bao-crom-doc-hai-co-the-hinh-thanh-trong-duong-ong-nuoc\/","title":{"rendered":"C\u1ea3nh b\u00e1o crom \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc"},"content":{"rendered":"\n<h2 class=\"has-normal-font-size wp-block-heading\"><strong>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c crom h\u00f3a tr\u1ecb s\u00e1u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cr (VI), c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong n\u01b0\u1edbc u\u1ed1ng khi \u1ed1ng gang b\u1ecb \u0103n m\u00f2n t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ea5t kh\u1eed tr\u00f9ng c\u00f2n s\u00f3t l\u1ea1i.&nbsp;<\/strong><\/h2>\n\n\n\n<p>Cu\u1ed9c kh\u1ee7ng ho\u1ea3ng n\u01b0\u1edbc sinh ho\u1ea1t \u1edf Flint, Michigan (M\u1ef9) \u0111\u00e3 g\u00e2y ra s\u1ef1 ch\u00fa \u00fd c\u1ea7n thi\u1ebft \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 c\u00e1c kim lo\u1ea1i \u0111\u1ed9c h\u1ea1i ti\u1ec1m \u1ea9n tho\u00e1t ra t\u1eeb c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ph\u00e2n ph\u1ed1i n\u01b0\u1edbc u\u1ed1ng khi th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc trong n\u01b0\u1edbc thay \u0111\u1ed5i. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c crom h\u00f3a tr\u1ecb s\u00e1u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cr (VI), c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong n\u01b0\u1edbc u\u1ed1ng khi \u1ed1ng gang b\u1ecb \u0103n m\u00f2n t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ea5t kh\u1eed tr\u00f9ng c\u00f2n s\u00f3t l\u1ea1i.&nbsp;<\/p>\n\n\n\n<p>Crom kim lo\u1ea1i, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cr (0), \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong h\u1ee3p kim gang, l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i n\u01b0\u1edbc. Khi \u0111\u01b0\u1eddng \u1ed1ng b\u1ecb \u0103n m\u00f2n, s\u1ef1 t\u00edch t\u1ee5 c\u1ee7a c\u1eb7n b\u1ea9n h\u00ecnh th\u00e0nh tr\u00ean th\u00e0nh trong c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng. C\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc trong n\u01b0\u1edbc c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u1eb7n, t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t m\u1edbi c\u00f3 th\u1ec3 th\u1ea3i v\u00e0o n\u01b0\u1edbc. M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t n\u00e0y ch\u1ee9a Cr (VI), \u1edf li\u1ec1u l\u01b0\u1ee3ng cao, c\u00f3 th\u1ec3 g\u00e2y ung th\u01b0 ph\u1ed5i, t\u1ed5n th\u01b0\u01a1ng gan, c\u00e1c v\u1ea5n \u0111\u1ec1 sinh s\u1ea3n v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00e1t tri\u1ec3n. T\u00ecm hi\u1ec3u ch\u00ednh x\u00e1c c\u00e1ch th\u1ee9c Cr (VI) x\u00e2m nh\u1eadp v\u00e0o n\u01b0\u1edbc u\u1ed1ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ti\u1ebft l\u1ed9 nh\u1eefng c\u00e1ch m\u1edbi \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a n\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft, \u0111\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u m\u1ee9c Cr (VI), vi\u1ec7c b\u1ed5 sung c\u00e1c ch\u1ea5t kh\u1eed tr\u00f9ng \u00edt ph\u1ea3n \u1ee9ng h\u01a1n \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc u\u1ed1ng, v\u00e0 c\u00e1c \u1ed1ng gang b\u1eb1ng h\u1ee3p kim cr\u00f4m n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u1eadn tr\u1ecdng.<\/p>\n\n\n\n<p><em>  Ngu\u1ed3n: An Khu\u00ea- https:\/\/khoahocdoisong.vn\/canh-bao-crom-doc-hai-co-the-hinh-thanh-trong-duong-ong-nuoc-153431.html <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c crom h\u00f3a tr\u1ecb s\u00e1u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cr (VI), c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong n\u01b0\u1edbc u\u1ed1ng khi \u1ed1ng gang b\u1ecb \u0103n m\u00f2n t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ea5t kh\u1eed tr\u00f9ng c\u00f2n s\u00f3t l\u1ea1i.&nbsp; Cu\u1ed9c kh\u1ee7ng ho\u1ea3ng n\u01b0\u1edbc sinh ho\u1ea1t \u1edf Flint, Michigan (M\u1ef9) \u0111\u00e3 g\u00e2y ra s\u1ef1 ch\u00fa [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":26368,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26367","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26367"}],"version-history":[{"count":4,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26367\/revisions"}],"predecessor-version":[{"id":29412,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26367\/revisions\/29412"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26368"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}