S\u01a1n l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u v\u1eeba \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u1eeba trang tr\u00ed. C\u00e1c v\u1eadt li\u1ec7u truy\u1ec1n th\u1ed1ng n\u00f3i chung \u0111\u1ec1u l\u00e0 nh\u1eefng ch\u1ea5t \u1edf th\u1ec3 l\u1ecfng \u0111\u1eb7c qu\u00e1nh, sau khi s\u01a1n, \u0111\u1ec3 kh\u00f4, s\u1ebd t\u1ea1o th\u00e0nh l\u1edbp m\u00e0ng ph\u1ee7 tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt c\u1ea7n s\u01a1n.<\/p>\n\n\n\n
D\u1ea7u tr\u1ea9u, d\u1ea7u gai l\u00e0 nh\u1eefng lo\u1ea1i d\u1ea7u c\u00f3 th\u1ec3 l\u00e0m kh\u00f4 v\u00e0 d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o d\u1ea7u s\u01a1n. Nh\u1eefng lo\u1ea1i s\u01a1n t\u1ef1 nhi\u00ean n\u00e0y d\u1ec5 b\u1ecb l\u00e3o ho\u00e1, b\u1ecb tr\u00f3c, tu\u1ed5i th\u1ecd t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn. B\u00ean c\u1ea1nh \u0111\u00f3 vi\u1ec7c \u0111\u01b0a m\u1ed9t s\u1ed1 dung d\u1ecbch h\u1eefu c\u01a1 nh\u01b0 toluen, axeton l\u00e0m dung m\u00f4i pha s\u01a1n, khi bay h\u01a1i t\u1ea1o th\u00e0nh m\u00e0ng s\u01a1n s\u1ebd g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kho\u1ebb c\u1ee7a c\u00f4ng nh\u00e2n qu\u00e9t s\u01a1n v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y, l\u00e0 nh\u00e2n t\u1ed1 l\u00e0m m\u1ea5t an to\u00e0n.<\/p>\n\n\n\n
S\u01a1n n\u01b0\u1edbc l\u00e0 lo\u1ea1i s\u01a1n d\u00f9ng n\u01b0\u1edbc t\u1ea3i v\u1eadt li\u1ec7u s\u01a1n ph\u1ee7. C\u00f3 hai lo\u1ea1i s\u01a1n n\u01b0\u1edbc: S\u01a1n ho\u00e0 tan trong n\u01b0\u1edbc v\u00e0 s\u01a1n nh\u0169 keo. Lo\u1ea1i v\u1eadt li\u1ec7u s\u01a1n ho\u00e0 tan trong n\u01b0\u1edbc l\u00e0 nh\u1eefng h\u1ee3p ch\u1ea5t cao ph\u00e2n t\u1eed d\u1ec5 tan trong n\u01b0\u1edbc ph\u1ed1i ch\u1ebf v\u1edbi m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t tan trong n\u01b0\u1edbc t\u1ea1o ra. C\u00f2n v\u1eadt li\u1ec7u s\u01a1n nh\u0169 l\u00e0 nh\u1eefng h\u1ea1t nh\u1ecf c\u00e1c h\u1ee3p ch\u1ea5t cao ph\u00e2n t\u1eed ph\u00e2n t\u00e1n trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh nh\u0169 t\u01b0\u01a1ng cao ph\u00e2n t\u1eed ph\u1ed1i ch\u1ebf v\u1edbi nhi\u1ec1u h\u1ee3p ch\u1ea5t kh\u00e1c m\u00e0 th\u00e0nh. Khi qu\u00e9t c\u00e1c lo\u1ea1i s\u01a1n n\u01b0\u1edbc l\u00ean b\u1ec1 m\u1eb7t c\u00e1c \u0111\u1ed3 v\u1eadt, c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc bay h\u01a1i d\u1ea7n d\u1ea7n, c\u00e1c h\u1ea1t nh\u1ecf c\u00e1c ch\u1ea5t cao ph\u00e2n t\u1eed s\u1ebd li\u00ean k\u1ebft v\u1edbi nhau th\u00e0nh m\u00e0ng s\u01a1n. V\u1edbi lo\u1ea1i s\u01a1n n\u01b0\u1edbc, kh\u00f4ng cho bay h\u01a1i c\u00e1c ch\u1ea5t \u0111\u1ed9c, kh\u00f4ng c\u00f3 nguy c\u01a1 g\u00e2y ho\u1ea3 ho\u1ea1n.<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i s\u01a1n n\u01b0\u1edbc c\u00f3 c\u00e1c \u01b0u \u0111i\u1ec3m: Kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, an to\u00e0n. Nh\u01b0ng ch\u00fang c\u0169ng c\u00f3 c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m: Kh\u00f4ng \u0111\u1ee7 \u1ed5n \u0111\u1ecbnh, m\u00e0ng s\u01a1n kh\u00f4ng \u0111\u1ee7 b\u1ec1n, c\u1ea7n ph\u1ea3i th\u00eam c\u00e1c ch\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e1c ch\u1ea5t ng\u0103n ng\u1eeba vi\u1ec7c t\u1ea1o ra c\u00e1c ch\u1ea5t \u0111\u1ed9c do qu\u00e1 tr\u00ecnh l\u00ean men. \u0110\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o c\u00e1c lo\u1ea1i b\u1ed9t s\u01a1n c\u00f3 \u0111\u1ed9 che ph\u1ee7 cao c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh t\u1ed1t. \u0110\u00f3 l\u00e0 lo\u1ea1i “b\u1ed9t s\u01a1n xanh” an to\u00e0n kh\u00f4ng \u0111\u1ed9c. Ng\u01b0\u1eddi ta d\u00f9ng nh\u1ef1a c\u00e2y, ch\u1ea5t m\u00e0u v\u00e0 m\u1ed9t s\u1ed1 ph\u1ee5 gia kh\u00e1c ph\u1ed1i ch\u1ebf th\u00e0nh s\u01a1n n\u01b0\u1edbc.<\/p>\n\n\n\n
Khi s\u1eed d\u1ee5ng ng\u01b0\u1eddi ta d\u00f9ng bi\u1ec7n ph\u00e1p phun th\u00e0nh b\u1ee5i m\u1ecbn ph\u1ee7 \u0111\u1ec1u l\u00ean b\u1ec1 m\u1eb7t v\u1eadt c\u1ea7n s\u01a1n, c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh l\u1edbp m\u00e0ng s\u01a1n \u0111\u1ec1u v\u00e0 b\u1ec1n.<\/p>\n\n\n\n
Ngo\u00e0i c\u00e1c \u0111i\u1ec1u \u0111\u00e3 tr\u00ecnh b\u00e0y tr\u00ean, d\u1ef1a v\u00e0o t\u00ednh n\u0103ng c\u1ee7a m\u00e0ng s\u01a1n ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 chia th\u00e0nh: S\u01a1n nhi\u1ec7t \u0111i\u1ec7n, s\u01a1n cho h\u00e0ng kh\u00f4ng, s\u01a1n ph\u00f2ng ho\u1ea3, s\u01a1n ch\u1ed1ng g\u1ec9, ngo\u00e0i ra c\u00f2n c\u00f3 lo\u1ea1i m\u00e0ng s\u01a1n c\u00f3 \u0111\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0o c\u00e1c m\u1ee5c \u0111\u00edch ri\u00eang.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: V\u1eadt li\u1ec7u s\u01a1n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
S\u01a1n l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u v\u1eeba \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u1eeba trang tr\u00ed. C\u00e1c v\u1eadt li\u1ec7u truy\u1ec1n th\u1ed1ng n\u00f3i chung \u0111\u1ec1u l\u00e0 nh\u1eefng ch\u1ea5t \u1edf th\u1ec3 l\u1ecfng \u0111\u1eb7c qu\u00e1nh, sau khi s\u01a1n, \u0111\u1ec3 kh\u00f4, s\u1ebd t\u1ea1o th\u00e0nh l\u1edbp m\u00e0ng ph\u1ee7 tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt c\u1ea7n s\u01a1n. D\u1ea7u tr\u1ea9u, d\u1ea7u gai l\u00e0 nh\u1eefng lo\u1ea1i d\u1ea7u c\u00f3 th\u1ec3 […]<\/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-7870","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\/7870","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=7870"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7870\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}