{"id":7831,"date":"2021-11-20T15:28:56","date_gmt":"2021-11-20T08:28:56","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=7831"},"modified":"2021-11-20T17:13:06","modified_gmt":"2021-11-20T10:13:06","slug":"thuy-tinh-huu-co-va-thuy-tinh-thuong-co-gi-khac-nhau","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/thuy-tinh-huu-co-va-thuy-tinh-thuong-co-gi-khac-nhau\/","title":{"rendered":"Thu\u1ef7 tinh h\u1eefu c\u01a1 v\u00e0 thu\u1ef7 tinh th\u01b0\u1eddng c\u00f3 g\u00ec kh\u00e1c nhau?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Kh\u00f4ng \u00edt ng\u01b0\u1eddi cho r\u1eb1ng th\u1ee7y tinh h\u1eefu c\u01a1 v\u00e0 th\u1ee7y tinh th\u01b0\u1eddng l\u00e0 &#8220;c\u00f9ng m\u1ed9t h\u1ecd&#8221;, th\u1ef1c ra ch\u00fang ho\u00e0n to\u00e0n kh\u00e1c nhau. Nguy\u00ean li\u1ec7u \u0111\u1ec3 ch\u1ebf t\u1ea1o thu\u1ef7 tinh th\u01b0\u1eddng l\u00e0 silic \u0111ioxit, c\u00f2n nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t thu\u1ef7 tinh h\u1eefu c\u01a1 l\u00e0 xeton propylic, aixt axetic v\u00e0 axit sunfuric. Thu\u1ef7 tinh h\u1eefu c\u01a1 c\u00f3 t\u00ean ho\u00e1 h\u1ecdc l\u00e0 polyacrilat. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t cao ph\u00e2n t\u1eed t\u1ed5ng h\u1ee3p, b\u1ec1 ngo\u00e0i c\u0169ng trong su\u1ed1t gi\u1ed1ng nh\u01b0 thu\u1ef7 tinh, n\u00ean ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 th\u1ee7y tinh h\u1eefu c\u01a1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a thu\u1ef7 tinh h\u1eefu c\u01a1 ch\u1ec9 b\u1eb1ng m\u1ed9t n\u1eeda thu\u1ef7 tinh th\u01b0\u1eddng, l\u1ea1i kh\u00f4ng d\u1ec5 v\u1ee1 nh\u01b0 thu\u1ef7 tinh th\u01b0\u1eddng. Thu\u1ef7 tinh h\u1eefu c\u01a1 c\u00f3 \u0111\u1ed9 trong su\u1ed1t r\u1ea5t t\u1ed1t, l\u1ea1i l\u00e0 ch\u1ea5t d\u1ebbo nhi\u1ec7t, ch\u1ec9 c\u1ea7n gia nhi\u1ec7t l\u00e0 c\u00f3 th\u1ec3 &#8220;u\u1ed1n n\u1eafn&#8221; th\u00e0nh b\u1ea5t k\u1ef3 h\u00ecnh th\u1ec3 n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea1m vi s\u1eed d\u1ee5ng c\u1ee7a th\u1ee7y tinh h\u1eefu c\u01a1 r\u1ea5t r\u1ed9ng r\u00e3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 khi m\u00e1y bay ph\u1ea3n l\u1ef1c bay v\u00e0o c\u00e1c \u0111\u00e1m m\u00e2y th\u01b0\u1eddng g\u00e2y ra c\u00e1c ch\u1ea5n \u0111\u1ed9ng m\u1ea1nh, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t c\u1ee7a c\u00e1c d\u00f2ng kh\u00ed thay \u0111\u1ed5i g\u00e2y n\u00ean nh\u1eefng t\u00ecnh hu\u1ed1ng kh\u00f3 l\u01b0\u1eddng. Ng\u01b0\u1eddi ta ph\u1ea3i d\u00f9ng th\u1ee7y tinh h\u1eefu c\u01a1 \u0111\u1ec3 l\u00e0m c\u1eeda s\u1ed5. \u1ede c\u00e1c m\u00e1y bay chi\u1ebfn \u0111\u1ea5u, c\u00e1c c\u1eeda s\u1ed5 b\u1eb1ng th\u1ee7y tinh h\u1eefu c\u01a1 khi b\u1ecb tr\u00fang \u0111\u1ea1n ch\u1ec9 xuy\u00ean th\u00e0nh m\u1ed9t l\u1ed7, kh\u00f4ng t\u1ea1o ra c\u00e1c m\u1ea3nh th\u1ee7y tinh nh\u1ecf c\u00f3 th\u1ec3 g\u00e2y s\u00e1t th\u01b0\u01a1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi th\u1ee7y tinh th\u01b0\u1eddng, v\u1edbi \u0111\u1ed9 d\u00e0y 15cm s\u1ebd c\u00f3 m\u00e0u xanh, ng\u01b0\u1eddi ta kh\u00f4ng th\u1ec3 nh\u00ecn r\u00f5 c\u00e1c \u0111\u1ed3 v\u1eadt qua l\u1edbp th\u1ee7y tinh d\u00e0y nh\u01b0 v\u1eady. Nh\u01b0ng v\u1edbi th\u1ee7y tinh h\u1eefu c\u01a1, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 nh\u00ecn r\u00f5 c\u00e1c v\u1eadt qua l\u1edbp thu\u1ef7 tinh h\u1eefu c\u01a1 d\u00e0y \u0111\u1ebfn 1m. Do thu\u1ef7 tinh h\u1eefu c\u01a1 \u0111\u1ed9 trong su\u1ed1t r\u1ea5t cao, ngay c\u1ea3 v\u1edbi tia t\u1eed ngo\u1ea1i, n\u00ean ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng thu\u1ef7 tinh h\u1eefu c\u01a1 ch\u1ebf t\u1ea1o c\u00e1c d\u1ee5ng c\u1ee5 quang h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thu\u1ef7 tinh h\u1eefu c\u01a1 l\u1ea1i c\u00f3 m\u1ed9t t\u00ednh n\u0103ng h\u1ebft s\u1ee9c k\u1ef3 l\u1ea1: M\u1ed9t thanh th\u1ee7y tinh h\u1eefu c\u01a1 c\u00f3 \u0111\u1ed9 cong kh\u00f4ng qu\u00e1 48\u00b0C, c\u00e1c tia s\u00e1ng c\u00f3 th\u1ec3 men theo thanh th\u1ee7y tinh gi\u1ed1ng nh\u01b0 n\u01b0\u1edbc ch\u1ea3y trong \u0111\u01b0\u1eddng \u1ed1ng. Tia s\u00e1ng c\u00f3 th\u1ec3 ch\u1ea1y theo \u201c\u0111\u01b0\u1eddng cong&#8221; qu\u1ea3 l\u00e0 \u0111i\u1ec1u th\u00fa v\u1ecb! L\u1ee3i d\u1ee5ng t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t \u0111\u00f3 c\u1ee7a thu\u1ef7 tinh h\u1eefu c\u01a1, ng\u01b0\u1eddi ta d\u00f9ng thu\u1ef7 tinh h\u1eefu c\u01a1 l\u00e0m c\u00e1c d\u00e2y d\u1eabn \u00e1nh s\u00e1ng, th\u1ee7 thu\u1eadt n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng to l\u1edbn trong y h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thu\u1ef7 tinh h\u1eefu c\u01a1 r\u1ea5t \u0111\u1eb9p, l\u1ea1i r\u1ea5t b\u1ec1n c\u01a1 h\u1ecdc, b\u1ec1n ho\u00e1 h\u1ecdc cao. N\u1ebfu th\u00eam v\u00e0o th\u1ee7y tinh h\u1eefu c\u01a1 thu\u1ed1c nhu\u1ed9m m\u00e0u, th\u00ec tu\u1ef3 theo y\u00eau c\u1ea7u c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c th\u1ee7y tinh h\u1eefu c\u01a1 c\u00f3 nhi\u1ec1u m\u00e0u kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: Thu\u1ef7 tinh h\u1eefu c\u01a1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Kh\u00f4ng \u00edt ng\u01b0\u1eddi cho r\u1eb1ng th\u1ee7y tinh h\u1eefu c\u01a1 v\u00e0 th\u1ee7y tinh th\u01b0\u1eddng l\u00e0 &#8220;c\u00f9ng m\u1ed9t h\u1ecd&#8221;, th\u1ef1c ra ch\u00fang ho\u00e0n to\u00e0n kh\u00e1c nhau. Nguy\u00ean li\u1ec7u \u0111\u1ec3 ch\u1ebf t\u1ea1o thu\u1ef7 tinh th\u01b0\u1eddng l\u00e0 silic \u0111ioxit, c\u00f2n nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t thu\u1ef7 tinh h\u1eefu c\u01a1 l\u00e0 xeton propylic, aixt axetic v\u00e0 axit sunfuric. Thu\u1ef7 tinh [&hellip;]<\/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":[8,15],"tags":[],"class_list":["post-7831","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7831","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=7831"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7831\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}