{"id":4662,"date":"2020-04-20T15:55:00","date_gmt":"2020-04-20T08:55:00","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&p=4662"},"modified":"2020-05-04T14:43:06","modified_gmt":"2020-05-04T07:43:06","slug":"tinh-chat-va-cong-thuc-tinh-do-tan","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/tinh-chat-va-cong-thuc-tinh-do-tan\/","title":{"rendered":"T\u00ednh ch\u1ea5t v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan"},"content":{"rendered":"

T\u00ednh ch\u1ea5t v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan<\/h2>\n

Trong ki\u1ebfn th\u1ee9c ph\u1ed5 th\u00f4ng th\u00ec \u0111\u1ed9 tan l\u00e0 m\u1ed9t ph\u1ea7n ki\u1ebfn th\u1ee9c v\u00f4 c\u00f9ng quan tr\u1ecdng v\u00e0 kh\u00f4ng th\u1ec3 b\u1ecf qua trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc. V\u1eady \u0111\u1ed9 tan l\u00e0 g\u00ec?<\/strong> <\/a>c\u00e1c ti\u00eau ch\u00ed v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan ra sao? M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng v\u1edbi bacdau.vn<\/strong><\/a> \u0111i gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u1eafc m\u1eafc n\u00e0y nh\u00e9!\"\"<\/p>\n

Kh\u00e1i ni\u1ec7m c\u1ee7a \u0111\u1ed9 tan<\/h3>\n

\u0110\u1ed9 tan \u0111\u01b0\u1ee3c hi\u1ec3u theo ngh\u0129a c\u01a1 b\u1ea3n l\u00e0 s\u1ed1 gam ch\u1ea5t \u0111\u00f3 tan trong m\u1ed9t dung d\u1ecbch n\u01b0\u1edbc v\u00e0 t\u1ea1o ra m\u1ed9t dung d\u1ecbch \u0111\u01b0\u1ee3c b\u00e3o ho\u00e0 \u1edf trong m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n

\u0110\u1ed9 tan c\u1ee7a m\u1ed9t ch\u1ea5t trong n\u01b0\u1edbc c\u0169ng ch\u00ednh l\u00e0 \u0111\u1ed9 tan c\u1ee7a ch\u1ea5t \u0111\u00f3, tan trong 100mg dung d\u1ecbch n\u01b0\u1edbc, \u1edf m\u1ed9t \u0111i\u1ec1u ki\u1ec7 nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh v\u00e0 s\u1ebd t\u1ea1o ra dung d\u1ecbch b\u00e3o ho\u00e0. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i lo\u1ea1i ch\u1ea5t n\u00e0o c\u0169ng c\u00f3 th\u1ec3 ho\u00e0 tan trong n\u01b0\u1edbc. Ch\u00ednh v\u00ec v\u1eady, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra 3 y\u1ebfu t\u1ed1 c\u1ee5 th\u1ec3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 tan trong n\u01b0\u1edbc nh\u01b0 sau:<\/p>\n

+ \u1ede 100g n\u01b0\u1edbc h\u00f2a tan \u0111\u01b0\u1ee3c >10g ch\u1ea5t th\u00ec \u0111\u00f3 l\u00e0 ch\u1ea5t tan hay c\u00f2n g\u1ecdi l\u00e0 ch\u1ea5t d\u1ec5 tan.
\n+ \u1ede 100g n\u01b0\u1edbc h\u00f2a tan \u0111\u01b0\u1ee3c <1g ch\u1ea5t th\u00ec \u0111\u00f3 l\u00e0 ch\u1ea5t tan \u00edt.
\n+ \u1ede 100g n\u01b0\u1edbc h\u00f2a tan \u0111\u01b0\u1ee3c < 0,01g ch\u1ea5t tan th\u00ec \u0111\u00f3 l\u00e0 ch\u1ea5t kh\u00f4ng tan.<\/p>\n

C\u00f3 nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn \u0111\u1ed9 tan v\u1edbi t\u00edch s\u1ed1 tan. Nh\u01b0ng c\u1ea3 2 th\u1ee9 \u0111\u00f3 \u0111\u1ec1u kh\u00e1c nhau. T\u00edch s\u1ed1 tan l\u00e0 t\u00edch gi\u1eefa s\u1ed1 c\u00e1c n\u1ed3ng \u0111\u1ed9 c\u1ee7a nh\u1eefng ion t\u1ef1 do trong dung d\u1ecbch b\u00e3o h\u00f2a \u1edf m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a ion trong ph\u00e2n t\u1eed.<\/p>\n

\"\"<\/p>\n

C\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan<\/h3>\n

C\u00f4ng th\u1ee9c: S = (Mct\/Mdm)x100<\/strong><\/p>\n

Trong \u0111\u00f3:<\/p>\n

Mct l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan
\nMdm l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng dung m\u00f4i
\nS l\u00e0 \u0111\u1ed9 tan<\/p>\n

Khi m\u00e0 \u0111\u1ed9 tan c\u00e0ng l\u1edbn th\u00ec ch\u1ea5t \u0111\u00f3 c\u00e0ng d\u1ec5 b\u1ecb tan, c\u00f2n n\u1ebfu nh\u01b0 \u0111\u1ed9 tan c\u00e0ng nh\u1ecf th\u00ec ch\u1ea5t \u0111\u00f3 r\u1ea5t kh\u00f3 \u0111\u1ec3 ho\u00e0 tan trong 100mg dung d\u1ecbch n\u01b0\u1edbc. D\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 \u0111\u01b0a ra \u0111\u01b0\u1ee3c m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa \u0111\u1ed9 tan c\u1ee7a m\u1ed9t ch\u1ea5t v\u1edbi n\u1ed3ng \u0111\u1ed9 % c\u1ee7a m\u1ed9t dung d\u1ecbch b\u00e3o ho\u00e0.<\/p>\n

C\u00f4ng th\u1ee9c: C=(100S\/(100+S))<\/strong><\/span><\/p>\n

M\u1ed9t v\u00e0i y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tan<\/h3>\n

– S\u1ef1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tan c\u1ee7a ch\u1ea5t r\u1eafn:<\/strong> H\u1ea7u nh\u01b0 \u1edf trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p, ho\u00e0n c\u1ea3nh th\u00ec nhi\u1ec7t \u0111\u1ed9 s\u1ebd t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 tan c\u1ee7a ch\u1ea5t r\u1eafn, \u0111i\u1ec1u \u0111\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u r\u1eb1ng: khi m\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng th\u00ec kh\u1ea3 n\u0103ng tan c\u1ee7a ch\u1ea5t r\u1eafn c\u0169ng t\u0103ng theo, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i!
\n– S\u1ef1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ea5t kh\u00ed v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t trong \u0111\u1ed9 tan:<\/strong> Kh\u00e1c v\u1edbi ch\u1ea5t r\u1eafn th\u00ec \u1edf ch\u1ea5t kh\u00ed, khi m\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao th\u00ec kh\u1ea3 n\u0103ng tan c\u1ee7a ch\u1ea5t kh\u00ed v\u00f4 c\u00f9ng th\u1ea5p v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n

\"y\u1ebfu<\/p>\n

Hi v\u1ecdng v\u1edbi nh\u1eefng chia s\u1ebb tr\u00ean v\u1ec1 kh\u00e1i ni\u1ec7m c\u1ee7a \u0111\u1ed9 tan c\u0169ng nh\u01b0 l\u00e0 c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan<\/strong> c\u1ee7a m\u1ed9t ch\u1ea5t s\u1ebd gi\u00fap c\u00e1c b\u1ea1n c\u00f3 th\u00eam 1 ph\u1ea7n ki\u1ebfn th\u1ee9c v\u1ec1 m\u00f4n ho\u00e1 h\u1ecdc n\u00e0y. Ch\u00fac c\u00e1c b\u1ea1n s\u1ebd c\u00f3 nh\u1eefng gi\u00e2y ph\u00fat vui v\u1ebb b\u00ean Bacdau.vn<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong ki\u1ebfn th\u1ee9c ph\u1ed5 th\u00f4ng th\u00ec \u0111\u1ed9 tan l\u00e0 m\u1ed9t ph\u1ea7n ki\u1ebfn th\u1ee9c v\u00f4 c\u00f9ng quan tr\u1ecdng v\u00e0 kh\u00f4ng th\u1ec3 b\u1ecf qua trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc. V\u1eady \u0111\u1ed9 tan l\u00e0 g\u00ec? c\u00e1c ti\u00eau ch\u00ed v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ed9 tan ra sao? M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng v\u1edbi bacdau.vn \u0111i gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u1eafc m\u1eafc n\u00e0y nh\u00e9!<\/p>\n","protected":false},"author":1,"featured_media":4663,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[764],"kbtag":[],"_links":{"self":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4662"}],"collection":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/comments?post=4662"}],"version-history":[{"count":0,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4662\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media\/4663"}],"wp:attachment":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media?parent=4662"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtopic?post=4662"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtag?post=4662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}