Trong c\u00e1c ch\u1ea5t t\u1ea9y gi\u1eb7t th\u00ec x\u00e0 ph\u00f2ng thu\u1ed9c lo\u1ea1i ch\u1ea5t t\u1ea9y r\u1eeda \u0111\u01b0\u1ee3c d\u00f9ng s\u1edbm nh\u1ea5t, ph\u1ea1m vi s\u1eed d\u1ee5ng r\u1ed9ng, l\u00e0 v\u1eadt li\u1ec7u t\u1ea9y r\u1eeda c\u00f3 nhi\u1ec1u ch\u1ee7ng lo\u1ea1i nh\u1ea5t. Lo\u1ea1i x\u00e0 ph\u00f2ng m\u00e0 ch\u00fang ta d\u00f9ng th\u01b0\u1eddng ng\u00e0y ch\u1ee7 y\u1ebfu thu\u1ed9c lo\u1ea1i mu\u1ed1i natri ho\u1eb7c kali c\u1ee7a c\u00e1c axit b\u00e9o b\u1eadc cao, trong \u0111\u00f3 lo\u1ea1i mu\u1ed1i natri c\u00f3 \u0111\u1ed9 c\u1ee9ng t\u01b0\u01a1ng \u0111\u1ed1i cao n\u00ean d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o x\u00e0 ph\u00f2ng th\u01a1m, x\u00e0 ph\u00f2ng gi\u1eb7t, x\u00e0 ph\u00f2ng y t\u1ebf v\u00e0 x\u00e0 ph\u00f2ng c\u00f4ng nghi\u1ec7p. X\u00e0 ph\u00f2ng mu\u1ed1i kali c\u00f3 \u0111\u1ed9 c\u1ee9ng th\u1ea5p, d\u1ec5 tan trong n\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o x\u00e0 ph\u00f2ng m\u1ec1m, x\u00e0 ph\u00f2ng n\u01b0\u1edbc.<\/p>\n\n\n\n
Ch\u00fang ta \u0111\u1ec1u bi\u1ebft khi qu\u1ea7n \u00e1o ho\u1eb7c tay ch\u00e2n b\u1ecb d\u00e2y b\u1ea9n, ch\u1ec9 c\u1ea7n ng\u00e2m n\u01b0\u1edbc, d\u00f9ng x\u00e0 ph\u00f2ng x\u00e1t \u0111i ch\u00e0 l\u1ea1i, d\u00f9ng n\u01b0\u1edbc r\u1eeda l\u00e0 s\u1ea1ch. V\u00ec sao d\u00f9ng n\u01b0\u1edbc v\u00e0 x\u00e0 ph\u00f2ng l\u1ea1i t\u1ea9y s\u1ea1ch \u0111\u01b0\u1ee3c c\u00e1c v\u1ebft b\u1ea9n?<\/p>\n\n\n\n
L\u00fd do ch\u00ednh l\u00e0 x\u00e0 ph\u00f2ng l\u00e0 mu\u1ed1i c\u1ee7a axit b\u00e9o, c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn, g\u1ed3m m\u1ed9t g\u1ed1c k\u1ef5 n\u01b0\u1edbc d\u1ea1ng chu\u1ed7i d\u00e0i (\u01b0a d\u1ea7u) v\u00e0 c\u00e1c g\u1ed1c nh\u1ecf \u01b0a n\u01b0\u1edbc t\u1ea1o n\u00ean:<\/p>\n\n\n\n
Khi ho\u00e0 x\u00e0 ph\u00f2ng v\u00e0o n\u01b0\u1edbc, n\u1ebfu g\u1eb7p c\u00e1c ch\u1ea5t b\u1ea9n l\u00e0 c\u00e1c ph\u00e2n t\u1eed d\u1ea7u th\u00ec nh\u00f3m \u01b0a n\u01b0\u1edbc k\u1ebft h\u1ee3p v\u1edbi ph\u00e2n t\u1eed n\u01b0\u1edbc, c\u00f2n nh\u00f3m \u01b0a d\u1ea7u k\u1ebft h\u1ee3p v\u1edbi ph\u00e2n t\u1eed d\u1ea7u. S\u1ef1 s\u1eafp x\u1ebfp n\u00e0y l\u00e0m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a n\u01b0\u1edbc gi\u1ea3m, \u0111\u00f3 ch\u00ednh l\u00e0 bi\u1ec3u hi\u1ec7n ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a x\u00e0 ph\u00f2ng. \u0110\u1ed3ng th\u1eddi c\u00e1c ph\u00e2n t\u1eed mu\u1ed1i c\u1ee7a axit b\u00e9o b\u1eadc cao t\u1ee5 t\u1eadp th\u00e0nh c\u00e1c nh\u00e1nh keo b\u00f3 ch\u1eb7t. Ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a x\u00e0 ph\u00f2ng c\u0169ng nh\u01b0 s\u1ef1 t\u1ea1o c\u00e1c b\u00f3 keo khi\u1ebfn x\u00e0 ph\u00f2ng bi\u1ec3u hi\u1ec7n r\u00f5 t\u00e1c d\u1ee5ng t\u1ea9y s\u1ea1ch c\u00e1c v\u1ebft b\u1ea9n. Tr\u01b0\u1edbc ti\u00ean x\u00e0 ph\u00f2ng l\u00e0m v\u1eadt li\u1ec7u s\u1ee3i d\u1ec7t d\u1ec5 th\u1ea5m \u01b0\u1edbt, l\u00e0m c\u00e1c ph\u00e2n t\u1eed x\u00e0 ph\u00f2ng d\u1ec5 x\u00e2m nh\u1eadp v\u00e0o c\u00e1c l\u1ed7 nh\u1ecf trong v\u1eadt li\u1ec7u s\u1ee3i, sau \u0111\u00f3 g\u1ed1c \u01b0a d\u1ea7u c\u1ee7a ph\u00e2n t\u1eed x\u00e0 ph\u00f2ng ho\u00e0 tan v\u1ebft d\u1ea7u b\u1ea9n, g\u1ed1c \u01b0a n\u01b0\u1edbc c\u1ee7a x\u00e0 ph\u00f2ng v\u1eabn \u1edf trong n\u01b0\u1edbc k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c v\u1edbi n\u01b0\u1edbc, sau \u0111\u00f3 qua t\u00e1c d\u1ee5ng v\u00f2, x\u00e1t s\u1ebd l\u00e0m c\u00e1c v\u1ebft d\u1ea7u b\u1ea9n n\u1ed5i l\u00ean. Ngo\u00e0i ra ph\u00e2n t\u1eed x\u00e0 ph\u00f2ng c\u00f3 th\u1ec3 k\u00e9o c\u00e1c ch\u1ea5t b\u1ea9n \u1edf d\u1ea1ng h\u1ea1t r\u1eafn b\u00e1m trong c\u00e1c khe h\u1edf c\u1ee7a v\u1eadt li\u1ec7u s\u1ee3i, gi\u1ea3m b\u1edbt s\u1ee9c t\u1ee5 h\u1ee3p c\u1ee7a c\u00e1c h\u1ea1t r\u1eafn v\u1edbi nhau v\u00e0 ph\u00e2n t\u00e1n th\u00e0nh c\u00e1c h\u1ea1t nh\u1ecf h\u01a1n v\u00e0 r\u01a1i v\u00e0o n\u01b0\u1edbc. M\u1eb7t kh\u00e1c s\u1ef1 t\u1ea1o b\u1ecdt x\u00e0 ph\u00f2ng l\u00e0m cho di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a dung d\u1ecbch x\u00e0 ph\u00f2ng t\u0103ng l\u00ean nhi\u1ec1u l\u1ea7n v\u00e0 c\u0169ng nh\u1edd \u0111\u00f3 t\u0103ng l\u1ef1c co k\u00e9o, gi\u00fap vi\u1ec7c l\u00f4i ch\u1ea5t b\u1ea9n kh\u1ecfi v\u1ea3i th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng h\u01a1n. Ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a x\u00e0 ph\u00f2ng c\u0169ng l\u00e0m c\u00e1c v\u1ebft d\u1ea7u \u0111\u00e3 b\u1ecb b\u00f3 ch\u1eb7t v\u00e0o g\u1ed1c \u01b0a d\u1ea7u c\u00e0ng b\u1ecb b\u00f3 ch\u1eb7t h\u01a1n v\u00e0 d\u1ea7u c\u00e0ng d\u1ec5 b\u1ecb l\u00f4i ra kh\u1ecfi v\u1eadt li\u1ec7u s\u1ee3i h\u01a1n.<\/p>\n\n\n\n
T\u00f3m l\u1ea1i, v\u1eadt li\u1ec7u s\u1ee3i d\u1ec7t do t\u00e1c d\u1ee5ng c\u1ee7a x\u00e0 ph\u00f2ng b\u1ecb th\u1ea5m \u01b0\u1edbt, th\u1ea5m xuy\u00ean qua s\u1ee3i, c\u00e1c ch\u1ea5t b\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t v\u1ea3i b\u1ecb l\u1ef1c h\u1ea5p ph\u1ee5 \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a ph\u00e2n t\u1eed x\u00e0 ph\u00f2ng l\u00f4i v\u1ec1 ph\u00e2n t\u1eed x\u00e0 ph\u00f2ng. Qua t\u00e1c d\u1ee5ng v\u00f2 x\u00e1t, ch\u1ea5t b\u1ea9n tho\u00e1t kh\u1ecfi b\u1ec1 m\u1eb7t s\u1ee3i v\u00e0 tr\u00f4i v\u00e0o n\u01b0\u1edbc, b\u1ecb n\u1ed5i l\u00ean, ph\u00e2n t\u00e1n t\u1ea1o th\u00e0nh huy\u1ec1n ph\u00f9, b\u1ecb n\u01b0\u1edbc s\u1ea1ch cu\u1ed1n tr\u00f4i ra ngo\u00e0i, l\u00e0m cho qu\u1ea7n \u00e1o s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: X\u00e0 ph\u00f2ng; Lo\u1ea1i b\u1ecf ch\u1ea5t b\u1ea9n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Trong c\u00e1c ch\u1ea5t t\u1ea9y gi\u1eb7t th\u00ec x\u00e0 ph\u00f2ng thu\u1ed9c lo\u1ea1i ch\u1ea5t t\u1ea9y r\u1eeda \u0111\u01b0\u1ee3c d\u00f9ng s\u1edbm nh\u1ea5t, ph\u1ea1m vi s\u1eed d\u1ee5ng r\u1ed9ng, l\u00e0 v\u1eadt li\u1ec7u t\u1ea9y r\u1eeda c\u00f3 nhi\u1ec1u ch\u1ee7ng lo\u1ea1i nh\u1ea5t. Lo\u1ea1i x\u00e0 ph\u00f2ng m\u00e0 ch\u00fang ta d\u00f9ng th\u01b0\u1eddng ng\u00e0y ch\u1ee7 y\u1ebfu thu\u1ed9c lo\u1ea1i mu\u1ed1i natri ho\u1eb7c kali c\u1ee7a c\u00e1c axit b\u00e9o b\u1eadc cao, […]<\/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-8122","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\/8122","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=8122"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8122\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}