D\u00f9ng n\u1ed3i c\u01a1m \u0111i\u1ec7n n\u1ea5u c\u01a1m, ch\u1ec9 c\u1ea7n cho g\u1ea1o \u0111\u00e3 vo r\u1ed3i v\u00e0o trong n\u1ed3i, \u0111\u1ed5 v\u00e0o m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u00edch h\u1ee3p, c\u1eafm d\u00e2y v\u00e0o ngu\u1ed3n \u0111i\u1ec7n, \u1ea5n c\u00f4ng t\u1eafc xu\u1ed1ng, \u0111\u00e8n b\u00e1o s\u00e1ng l\u00ean, n\u1ed3i c\u01a1m \u0111i\u1ec7n b\u1eaft \u0111\u1ea7u l\u00e0m vi\u1ec7c. \u0110\u1ebfn khi g\u1ea1o ch\u00edn th\u00e0nh c\u01a1m, \u0111\u00e8n b\u00e1o t\u1ef1 \u0111\u1ed9ng t\u1eaft, m\u1ed9t \u0111\u00e8n b\u00e1o gi\u1eef nhi\u1ec7t kh\u00e1c s\u00e1ng l\u00ean, ch\u1ec9 r\u00f5 trong n\u1ed3i \u0111ang \u1edf tr\u1ea1ng th\u00e1i gi\u1eef nhi\u1ec7t. B\u1ea5t k\u1ec3 bao nhi\u00eau l\u00e2u, nhi\u1ec7t \u0111\u1ed9 c\u01a1m trong n\u1ed3i tr\u01b0\u1edbc sau v\u1eabn duy tr\u00ec gi\u1eefa 60 \u2013 70\u00b0C, kh\u00f4ng h\u1ec1 ngu\u1ed9i l\u1ea1nh.<\/p>\n\n\n\n
Ch\u00fang ta bi\u1ebft r\u1eb1ng, nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n \u0111\u1ebfn khi n\u1ed3i c\u01a1m \u0111i\u1ec7n n\u1ea5u c\u01a1m l\u00e0 do d\u00e2y mai so ph\u00e1t ra sau khi th\u00f4ng \u0111i\u1ec7n. C\u00e1i \u0111\u00f3 c\u0169ng c\u00f9ng m\u1ed9t nguy\u00ean l\u00ed v\u1edbi n\u1ea5u c\u01a1m b\u1eb1ng b\u1ebfp \u0111i\u1ec7n. Song, n\u1ed3i c\u01a1m \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng n\u1ea5u c\u01a1m, gi\u1eef nhi\u1ec7t v\u00e0 v\u00ec nh\u1edd c\u00f3 th\u00eam hai c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng l\u1eafp trong n\u1ed3i: m\u1ed9t c\u00e1i l\u00e0 c\u00f4ng t\u1eafc h\u1ea1n ch\u1ebf nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng, m\u1ed9t c\u00e1i kh\u00e1c l\u00e0 c\u00f4ng t\u1eafc gi\u1eef nhi\u1ec7t t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n\n
Sau khi th\u00f4ng \u0111i\u1ec7n, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc v\u00e0 g\u1ea1o trong n\u1ed3i c\u01a1m \u0111i\u1ec7n d\u1ea7n d\u1ea7n l\u00ean cao. Tr\u01b0\u1edbc khi h\u1ea1t g\u1ea1o n\u1ea5u th\u00e0nh c\u01a1m ch\u00edn, do trong n\u1ed3i c\u00f3 m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc, cho d\u00f9 n\u01b0\u1edbc s\u00f4i l\u00ean, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 c\u0169ng gi\u1eef \u1edf kho\u1ea3ng 100\u00b0C. C\u00f2n khi h\u1ea1t g\u1ea1o trong n\u1ed3i d\u1ea7n d\u1ea7n m\u1ec1m \u0111i, s\u1ea5y kh\u00f4 th\u00e0nh c\u01a1m ch\u00edn, nhi\u1ec7t \u0111\u1ed9 m\u1edbi c\u00f3 th\u1ec3 l\u00ean cao, v\u01b0\u1ee3t qu\u00e1 100\u00b0C. Khi \u0111\u1ea1t t\u1edbi 103\u00b0C, c\u00f4ng t\u1eafc h\u1ea1n ch\u1ebf nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf<\/a> \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3, s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u1eaft r\u1eddi d\u00e2y mai so v\u1edbi ngu\u1ed3n \u0111i\u1ec7n, nhi\u1ec7t \u0111\u1ed9 trong n\u1ed3i li\u1ec1n h\u1ea1 xu\u1ed1ng d\u1ea7n d\u1ea7n.<\/p>\n\n\n\n Khi nhi\u1ec7t \u0111\u1ed9 trong n\u1ed3ixu\u1ed1ng t\u1edbi 60\u00b0C, c\u00f4ng t\u1eafc gi\u1eef nhi\u1ec7t b\u1eadt l\u00ean, d\u00e2y mai so l\u1ea1i \u0111\u01b0\u1ee3c n\u1ed1i th\u00f4ng v\u1edbi ngu\u1ed3n \u0111i\u1ec7n, nhi\u1ec7t \u0111\u1ed9 trong n\u1ed3i l\u1ea1i t\u1eeb t\u1eeb t\u0103ng l\u00ean; nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 70\u00b0C, c\u00f4ng t\u1eafc gi\u1eef nhi\u1ec7t l\u1ea1i t\u1ef1 \u0111\u1ed9ng c\u1eaft r\u1eddi d\u00e2y mai so v\u1edbi ngu\u1ed3n \u0111i\u1ec7n, nhi\u1ec7t \u0111\u1ed9 trong n\u1ed3i l\u1ea1i t\u1eeb t\u1eeb h\u1ea1 xu\u1ed1ng, \u0111\u1ebfn 60\u00b0C, c\u00f4ng t\u1eafc gi\u1eef nhi\u1ec7t l\u1ea1i ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i, l\u1ea1i n\u1ed1i th\u00f4ng ngu\u1ed3n \u0111i\u1ec7n\u2026 C\u00f4ng t\u1eafc gi\u1eef nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng tu\u1ea7n ho\u00e0n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i nh\u01b0 v\u1eady l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 trong n\u1ed3i lu\u00f4n gi\u1eef \u1edf m\u1ee9c 60 \u2013 70\u00b0C, v\u1eeba \u0111\u00fang tho\u1ea3 m\u00e3n nhu c\u1ea7u gi\u1eef nhi\u1ec7t.<\/p>\n\n\n\n C\u00f4ng t\u1eafc h\u1ea1n ch\u1ebf nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00f4ng t\u1eafc gi\u1eef nhi\u1ec7t \u0111\u1ea3m nh\u1eadn vai tr\u00f2 quan tr\u1ecdng trong n\u1ed3i c\u01a1m \u0111i\u1ec7n \u0111\u1ec1u do t\u1ea5m l\u01b0\u1ee1ng kim t\u1ed5 th\u00e0nh. M\u1ed9t m\u1eb7t c\u1ee7a t\u1ea5m l\u01b0\u1ee1ng kim l\u00e0 h\u1ee3p kim s\u1eaft – niken, m\u1eb7t kia l\u00e0 h\u1ee3p kim \u0111\u1ed3ng – niken, d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc c\u1ed1 \u0111\u1ecbnh ch\u00fang v\u00e0o v\u1edbi nhau, \u1edf t\u00ecnh tr\u1ea1ng c\u00f9ng m\u1ed9t nhi\u1ec7t \u0111\u1ed9, ph\u00eda h\u1ee3p kim \u0111\u1ed3ng – niken d\u1ec5 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t h\u01a1n ph\u00eda h\u1ee3p kim s\u1eaft – niken. Nh\u01b0 v\u1eady khi nhi\u1ec7t \u0111\u1ed9 l\u00ean cao, t\u1ea5m l\u01b0\u1ee1ng kim li\u1ec1n cong v\u1ec1 ph\u00eda kh\u00f3 gi\u00e3n n\u1edf, xu\u1ea5t hi\u1ec7n s\u1ef1 u\u1ed1n cong. M\u1ed9t khi nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng th\u1ea5p, t\u1ea5m l\u01b0\u1ee1ng kim l\u1ea1i ph\u1ee5c h\u1ed3i d\u1ea1ng c\u0169. L\u1ee3i d\u1ee5ng \u0111\u1eb7c tr\u01b0ng n\u00e0y c\u1ee7a t\u1ea5m l\u01b0\u1ee1ng kim \u0111\u1ec3 n\u00f3 sinh ra u\u1ed1n cong t\u1ea1i m\u1ed9t nhi\u1ec7t \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t \u0111\u1ecbnh s\u1eb5n th\u00ec c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m c\u00f4ng t\u1eafc t\u1ef1 \u0111\u1ed9ng n\u1ed1i th\u00f4ng ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n\n\n\n T\u1eeb kho\u00e1: N\u1ed3i c\u01a1m \u0111i\u1ec7n; C\u00f4ng t\u1eafc; T\u1ea5m l\u01b0\u1ee1ng kim.<\/p>\n\n\n\n <\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":" D\u00f9ng n\u1ed3i c\u01a1m \u0111i\u1ec7n n\u1ea5u c\u01a1m, ch\u1ec9 c\u1ea7n cho g\u1ea1o \u0111\u00e3 vo r\u1ed3i v\u00e0o trong n\u1ed3i, \u0111\u1ed5 v\u00e0o m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u00edch h\u1ee3p, c\u1eafm d\u00e2y v\u00e0o ngu\u1ed3n \u0111i\u1ec7n, \u1ea5n c\u00f4ng t\u1eafc xu\u1ed1ng, \u0111\u00e8n b\u00e1o s\u00e1ng l\u00ean, n\u1ed3i c\u01a1m \u0111i\u1ec7n b\u1eaft \u0111\u1ea7u l\u00e0m vi\u1ec7c. \u0110\u1ebfn khi g\u1ea1o ch\u00edn th\u00e0nh c\u01a1m, \u0111\u00e8n b\u00e1o t\u1ef1 \u0111\u1ed9ng t\u1eaft, m\u1ed9t […]<\/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":[15,7],"tags":[],"class_list":["post-5868","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5868","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=5868"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5868\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}