T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/strong><\/em>\u00a0: D\u1ea1ng l\u1ecfng, dung d\u1ecbch m\u00e0u tr\u1eafng s\u1eefa<\/p>\n T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:\u00a0<\/em><\/strong>\u1ede nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, canxi hydroxit (d\u1ea1ng b\u1ed9t) c\u00f3 th\u1ec3 h\u00f2a tan trong n\u01b0\u1edbc tinh khi\u1ebft \u0111\u1ec3 t\u1ea1o ra\u00a0dung d\u1ecbch ki\u1ec1m v\u1edbi \u0111\u1ed9 pH kho\u1ea3ng 12,4. do \u0111\u00f3 dung d\u1ecbch\u00a0Calcium hydroxide c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng h\u00f3a ch\u1ea5t nghi\u00eam tr\u1ecdng. Kh\u1ea3 n\u0103ng h\u00f2a tan canxi hydroxit c\u0169ng ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o gi\u00e1 tr\u1ecb pH. Trong m\u00f4i tr\u01b0\u1eddng pH cao, v\u1edbi s\u1ef1 c\u00f3 m\u1eb7t hydroxit ki\u1ec1m (NaOH, KOH), ch\u1eb3ng h\u1ea1n nh\u01b0 trong n\u01b0\u1edbc xi m\u0103ng t\u01b0\u01a1i, \u0111\u1ed9 h\u00f2a tan c\u1ee7a hydroxit canxi gi\u1ea3m m\u1ea1nh.<\/p>\n D\u1ea1ng huy\u1ec1n ph\u00f9\u00a0c\u1ee7a c\u00e1c h\u1ea1t canxi hydroxit t\u1ed1t trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1eefa v\u00f4i v\u00e0 l\u00e0 m\u1ed9t baz\u01a1\u00a0trung b\u00ecnh v\u1edbi axit v\u00e0 c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng m\u1ed9t s\u1ed1 kim lo\u1ea1i nh\u01b0 nh\u00f4m (hydroxit l\u01b0\u1ee1ng t\u00ednh h\u00f2a tan \u1edf pH cao) trong khi b\u1ea3o v\u1ec7 kim lo\u1ea1i kh\u00e1c t\u1eeb \u0103n m\u00f2n nh\u01b0 s\u1eaft v\u00e0 th\u00e9p b\u1eb1ng th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1ec1 m\u1eb7t c\u1ee7a h\u1ecd. Dung d\u1ecbch s\u1eefa v\u00f4i\u00a0trong s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a carbon dioxide do s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a cacbonat canxi, m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 carbonat h\u00f3a :<\/p>\n Ca (OH) 2 + CO2 \u2192 CaCO3 + H2O Ca (OH) 2 \u2192 CaO + H2O<\/p>\n","protected":false},"excerpt":{"rendered":" C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc : Ca(OH)2\u00a0<\/strong><\/p>\n T\u00ean h\u00f3a h\u1ecdc : Canxi Hydroxit – Calcium Hydroxide<\/strong><\/p>\n Xu\u1ea5t x\u1ee9 : Vi\u1ec7t Nam<\/strong><\/p>\n Quy c\u00e1ch: 25 kg\/ bao\u00a0<\/strong><\/p>\n","protected":false},"featured_media":404,"comment_status":"open","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product\/403"}],"collection":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/comments?post=403"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media\/404"}],"wp:attachment":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media?parent=403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nKhi \u0111un n\u00f3ng \u0111\u1ebfn 512 \u00b0 C, \u00e1p su\u1ea5t ri\u00eang ph\u1ea7n c\u1ee7a n\u01b0\u1edbc \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng canxi hydroxit \u0111\u1ea1t 101 kPa (\u00e1p su\u1ea5t kh\u00ed quy\u1ec3n b\u00ecnh th\u01b0\u1eddng), ph\u00e2n h\u1ee7y canxi hydroxit th\u00e0nh oxit canxi v\u00e0 n\u01b0\u1edbc.<\/p>\n