B\u1ed9t m\u00e0u ho\u1eb7c ch\u1ea5t m\u00e0u v\u00e0 thu\u1ed1c nhu\u1ed9m \u0111\u1ec1u l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 m\u00e0u n\u00ean nhi\u1ec1u ng\u01b0\u1eddi cho ch\u00fang l\u00e0 “c\u00f9ng m\u1ed9t nh\u00e0”. Th\u1ef1c ra b\u1ed9t m\u00e0u v\u00e0 thu\u1ed1c nhu\u1ed9m l\u00e0 hai lo\u1ea1i v\u1eadt ph\u1ea9m kh\u00e1c nhau. Ch\u00fang c\u00f3 th\u00e0nh ph\u1ea7n ho\u00e1 h\u1ecdc, t\u00ednh ch\u1ea5t v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n
B\u1ed9t m\u00e0u g\u1eafn li\u1ec1n v\u1edbi s\u01a1n d\u1ea7u. Ngo\u00e0i vi\u1ec7c d\u00f9ng \u0111\u1ec3 s\u01a1n \u0111\u1ed3 d\u00f9ng trong nh\u00e0 cho \u0111\u1eb9p, b\u1ed9t m\u00e0u c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. \u0110a s\u1ed1 b\u1ed9t m\u00e0u c\u00f3 ngu\u1ed3n g\u1ed1c l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1. V\u00ed d\u1ee5 \u0111\u00e1 v\u00f4i l\u00e0 canxi cacbonat. B\u1ed9t tr\u1eafng ch\u00ednh l\u00e0 ch\u00ec cacbonat c\u00f3 t\u00ednh ki\u1ec1m, \u0111\u1ecf chu sa ch\u00ednh l\u00e0 thu\u1ef7 ng\u00e2n sufua k\u1ebft tinh, \u0111en m\u1ed3 h\u00f3ng\u2026 \u0110\u1ea1i b\u1ed9 ph\u1eadn b\u1ed9t m\u00e0u kh\u00f4ng tan trong n\u01b0\u1edbc nh\u01b0ng c\u00f3 t\u00ednh che ph\u1ee7 l\u1edbn. M\u1ed9t chi\u1ebfc \u00f4 t\u00f4 c\u0169 d\u00f9ng s\u01a1n phun \u0111\u1ec3 s\u01a1n s\u1ebd bi\u1ebfn xe c\u0169 th\u00e0nh xe m\u1edbi. B\u1ed9t m\u00e0u c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng trong h\u1ed9i ho\u1ea1, d\u00f9ng l\u00e0m nguy\u00ean li\u1ec7u ch\u1ebf t\u1ea1o m\u1ef1c in c\u0169ng nh\u01b0 d\u00f9ng \u0111\u1ec3 t\u1ea1o m\u00e0u cho cao su, ch\u1ea5t d\u1ebbo, v\u1eadt li\u1ec7u g\u1ed1m s\u1ee9, gi\u1ea5y\u2026<\/p>\n\n\n\n
Thu\u1ed1c nhu\u1ed9m c\u00f3 nhi\u1ec1u \u0111i\u1ec3m tr\u00e1i ng\u01b0\u1ee3c v\u1edbi b\u1ed9t m\u00e0u. Thu\u1ed1c nhu\u1ed9m th\u01b0\u1eddng g\u1eafn ch\u1eb7t v\u1edbi ch\u1ea5t ho\u00e0n ch\u1ec9nh m\u00e0u. Ng\u01b0\u1eddi ta d\u00f9ng ch\u1ea5t ho\u00e0n ch\u1ec9nh m\u00e0u \u0111\u1ec3 gi\u00fap cho thu\u1ed1c nhu\u1ed9m b\u00e1m ch\u1eb7t v\u00e0o s\u1ee3i v\u1ea3i.<\/p>\n\n\n\n
\u0110\u00f3 l\u00e0 do thu\u1ed1c nhu\u1ed9m \u0111a s\u1ed1 thu\u1ed9c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 t\u00ednh \u01b0a c\u00e1c lo\u1ea1i s\u1ee3i d\u1ec7t t\u1ef1 nhi\u00ean ho\u1eb7c s\u1ee3i t\u1ed5ng h\u1ee3p, v\u00ed d\u1ee5 thu\u1ed1c nhu\u1ed9m in\u0111igo, thu\u1ed1c nhu\u1ed9m \u0111\u1ecf axit, thu\u1ed1c nhu\u1ed9m \u0111en anilin. \u0110\u1ea1i \u0111a s\u1ed1 thu\u1ed1c nhu\u1ed9m ho\u00e0 tan trong n\u01b0\u1edbc, ho\u1eb7c khi qua c\u00e1c x\u1eed l\u00fd ho\u00e1 h\u1ecdc (axit ho\u00e1, kh\u1eed) c\u00f3 th\u1ec3 ho\u00e0 tan v\u00e0o n\u01b0\u1edbc. Thu\u1ed1c nhu\u1ed9m c\u00f3 kh\u1ea3 n\u0103ng nhu\u1ed9m m\u00e0u r\u1ea5t m\u1ea1nh, ch\u1ec9 c\u1ea7n m\u1ed9t \u00edt thu\u1ed1c nhu\u1ed9m c\u00f3 th\u1ec3 nhu\u1ed9m c\u1ea3 m\u1ed9t t\u1ea5m v\u1ea3i tr\u1edf th\u00e0nh c\u00f3 m\u00e0u s\u1eafc \u0111\u1eb9p \u0111\u1ebd.<\/p>\n\n\n\n
C\u1ea3 b\u1ed9t m\u00e0u v\u00e0 thu\u1ed1c nhu\u1ed9m \u0111\u1ec1u nh\u01b0 c\u00f3 ph\u00e9p m\u00e0u ri\u00eang, kh\u00f4ng v\u1eadt li\u1ec7u n\u00e0o c\u00f3 th\u1ec3 thay \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u n\u00e0o: D\u00f9ng thu\u1ed1c nhu\u1ed9m kh\u00f4ng th\u1ec3 che ph\u1ee7 \u0111\u01b0\u1ee3c c\u00e1c d\u1ea5u v\u1ebft tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t b\u1ecb \u1ed1 b\u1ea9n; tr\u00e1i l\u1ea1i d\u00f9ng b\u1ed9t m\u00e0u l\u1ea1i kh\u00f4ng “nhu\u1ed9m m\u00e0u” \u0111\u01b0\u1ee3c v\u1ea3i, kh\u00f4ng ch\u1ec9 l\u00e3ng ph\u00ed b\u1ed9t m\u00e0u m\u00e0 m\u00e0u s\u1ebd b\u00e1m kh\u00f4ng \u0111\u1ec1u tr\u00ean v\u1ea3i v\u00e0 b\u00e1m kh\u00f4ng b\u1ec1n v\u1eefng \u0111\u01b0\u1ee3c. R\u00f5 r\u00e0ng b\u1ed9t m\u00e0u v\u00e0 thu\u1ed1c nhu\u1ed9m, m\u1ed7i v\u1eadt li\u1ec7u c\u00f3 s\u1edf tr\u01b0\u1eddng v\u00e0 s\u1edf \u0111o\u1ea3n ri\u00eang, kh\u00f4ng v\u1eadt li\u1ec7u n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf cho v\u1eadt li\u1ec7u n\u00e0o.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: B\u1ed9t m\u00e0u; Thu\u1ed1c nhu\u1ed9m.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
B\u1ed9t m\u00e0u ho\u1eb7c ch\u1ea5t m\u00e0u v\u00e0 thu\u1ed1c nhu\u1ed9m \u0111\u1ec1u l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 m\u00e0u n\u00ean nhi\u1ec1u ng\u01b0\u1eddi cho ch\u00fang l\u00e0 “c\u00f9ng m\u1ed9t nh\u00e0”. Th\u1ef1c ra b\u1ed9t m\u00e0u v\u00e0 thu\u1ed1c nhu\u1ed9m l\u00e0 hai lo\u1ea1i v\u1eadt ph\u1ea9m kh\u00e1c nhau. Ch\u00fang c\u00f3 th\u00e0nh ph\u1ea7n ho\u00e1 h\u1ecdc, t\u00ednh ch\u1ea5t v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng kh\u00e1c nhau. B\u1ed9t m\u00e0u g\u1eafn li\u1ec1n […]<\/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-7926","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\/7926","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=7926"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7926\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}