Gi\u1edbi thi\u1ec7u
\nV\u1edbi s\u1ef1 thay \u0111\u1ed5i \u0111\u1ecba l\u00fd v\u00e0 \u0111\u1ecba ch\u1ea5t, c\u0169ng nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 \u00f4 nhi\u1ec5m, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u00e3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u.
\nM\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u lo\u1ea1i c\u00f4ng ngh\u1ec7 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kho\u00e1ng ch\u1ea5t trong n\u01b0\u1edbc.
\nTh\u00ed nghi\u1ec7m n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c \u0111\u1ecbnh b\u1ea3y y\u1ebfu t\u1ed1 kh\u00f4ng \u0111\u1ed9c h\u1ea1i trong n\u01b0\u1edbc u\u1ed1ng b\u1edfi m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed Persee A3flame.<\/p>\n
Th\u1eed nghi\u1ec7m
\nChu\u1ea9n b\u1ecb m\u1eabu v\u00e0 ti\u00eau chu\u1ea9n
\nC\u00e1c m\u1eabu n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c gi\u1ebfng \u0111\u00f4 th\u1ecb v\u00e0 \u0111\u1ecba ph\u01b0\u01a1ng.
\nM\u1eabu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch th\u00eam 1% axit nitric (v \/ v) v\u00e0 0,1% lanthanum clorua l\u00e0m ch\u1ea5t gi\u1ea3i ph\u00f3ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh canxi v\u00e0 magi\u00ea, v\u00e0 l\u00e0 ch\u1ea5t \u1ee9c ch\u1ebf ion h\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh natri v\u00e0 kali.
\nTrong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a B\u1ea3ng 1 v\u00e0 B\u1ea3ng 2, c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch b\u1eb1ng m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda A3.
\nNgo\u00e0i ra, vi\u1ec7c x\u00e1c \u0111\u1ecbnh kali v\u00e0 natri b\u1eb1ng ch\u1ebf \u0111\u1ed9 ph\u00e1t x\u1ea1, A3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m, m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u00e2n t\u00edch, v\u00ec v\u1eady ngay c\u1ea3 khi n\u1ed9i dung c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh cao.
\nM\u1eabu \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch t\u1ef1 h\u1ea5p th\u1ee5 th\u00f4ng qua b\u1ed9 nguy\u00ean t\u1eed \u0111\u1ed9 nh\u1ea1y cao ti\u00eau chu\u1ea9n.<\/p>\n
<\/p>\n
Th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, m\u1ed9t s\u1ed1 m\u1eabu n\u01b0\u1edbc u\u1ed1ng trong m\u1ed7i khu v\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.
\n\u0110\u1ed3ng v\u00e0 k\u1ebdm \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong b\u1ed1n m\u1eabu l\u1ea5y t\u1eeb v\u00f2i, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ecdc t\u1eeb c\u00e1c \u1ed1ng \u0111\u1ed3ng, ph\u1ee5 ki\u1ec7n v\u00e0 h\u00e0n.
\n\u0110i\u1ec1u tra s\u00e2u h\u01a1n cho th\u1ea5y c\u01b0 d\u00e2n \u0111\u00e3 l\u1eafp \u0111\u1eb7t ch\u1ea5t l\u00e0m m\u1ec1m n\u01b0\u1edbc v\u1edbi K l\u00e0m ph\u1ea3n \u0111\u1ed1i \u0111\u1ec3 lo\u1ea1i b\u1ecf h\u00e0m l\u01b0\u1ee3ng canxi v\u00e0 magi\u00ea cao trong n\u01b0\u1edbc gi\u1ebfng.<\/p>\n
\u0110\u00fang nh\u01b0 d\u1ef1 \u0111o\u00e1n, \u0111\u1ed3ng v\u00e0 k\u1ebdm kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0o m\u00f9a xu\u00e2n, ch\u1ec9 ph\u00e1t hi\u1ec7n kho\u00e1ng ch\u1ea5t.
\nCu\u1ed1i c\u00f9ng, dung d\u1ecbch tr\u1ed1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh m\u01b0\u1eddi l\u1ea7n v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n c\u1ee7a \u0111\u1ed3ng, s\u1eaft v\u00e0 k\u1ebdm \u0111\u00e3 thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch t\u00ednh \u0111\u1ed9 l\u1ec7ch chu\u1ea9n ba l\u1ea7n.<\/p>\n
Ph\u1ea7n k\u1ebft lu\u1eadn<\/p>\n
C\u00f4ng tr\u00ecnh n\u00e0y cho th\u1ea5y A3 c\u00f3 kh\u1ea3 n\u0103ng x\u00e1c \u0111\u1ecbnh th\u00e0nh c\u00f4ng c\u00e1c y\u1ebfu t\u1ed1 kho\u00e1ng ch\u1ea5t trong c\u00e1c m\u1eabu n\u01b0\u1edbc u\u1ed1ng, bao g\u1ed3m n\u01b0\u1edbc \u0111\u00f4 th\u1ecb, n\u01b0\u1edbc gi\u1ebfng v\u00e0 n\u01b0\u1edbc su\u1ed1i.
\nT\u1ea5t nhi\u00ean, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ch\u1ea1y ph\u1ea7n m\u1ec1m AAWIN b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh.<\/p>","protected":false},"excerpt":{"rendered":"
Introduction With the change of geography and geology, as well as the factors of pollution, the quality of water has changed greatly. Therefore, whether it is consumer water or industrial water, it is extremely important to understand the metal content of water. Although there are many kinds of technologies to determine minerals in water. The […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[73],"tags":[],"class_list":["post-2791","post","type-post","status-publish","format-standard","hentry","category-food-and-drugs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/2791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/comments?post=2791"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/2791\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=2791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=2791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=2791"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}