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{"id":440,"date":"2016-09-08T08:38:45","date_gmt":"2016-09-08T08:38:45","guid":{"rendered":"http:\/\/tienganhtot.com\/?post_type=product&p=440"},"modified":"2016-09-24T07:12:22","modified_gmt":"2016-09-24T07:12:22","slug":"natri-silicat-na2sio3","status":"publish","type":"product","link":"https:\/\/vuhoangco.com.vn\/en\/product\/natri-silicat-na2sio3\/","title":{"rendered":"Natri silicat – Na2SiO3"},"content":{"rendered":"
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Natri silicat – Na2SiO3<\/h2>\n
\n

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd:\u00a0<\/strong><\/em>Ch\u1ea5t l\u1ecfng \u0111\u1ed3ng nh\u1ea5t, s\u00e1nh , trong su\u1ed1t, cho ph\u00e9p m\u00e0u tr\u1eafng \u0111\u1ee5c ho\u1eb7c ng\u00e0 v\u00e0ng<\/p>\n

T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:\u00a0<\/strong><\/em><\/p>\n

Natri Silicat th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u1ea3n \u1ee9ng trong pha l\u1ecfng ho\u1eb7c pha r\u1eafn. C\u1ea3 hai qu\u00e1 tr\u00ecnh \u0111\u1ec1u s\u1eed d\u1ee5ng NaOH v\u00e0 SiO2 l\u00e0m nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\n

Pha L\u1ecfng<\/span><\/h3>\n

H\u1ed7n h\u1ee3p c\u1ee7a NaOH, SiO2 v\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn trong b\u1ec3 tr\u1ed9n v\u00e0 d\u1eabn qua thi\u1ebft b\u1ecb ph\u1ea3n \u1ee9ng \u0111\u1ec3 t\u1ea1o h\u01a1i. Ph\u1ea3n \u1ee9ng s\u1ebd di\u1ec5n ra nh\u01b0 sau:<\/p>\n

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\"{\\displaystyle<\/dd>\n<\/dl>\n

Pha r\u1eafn (c\u00f3 gia nhi\u1ec7t)<\/span><\/h3>\n

Na2CO3\u00a0and Na2SO4 tan ch\u1ea3y \u1edf nhi\u1ec7t th\u1ea5p h\u01a1n SiO2 r\u1ea5t nhi\u1ec1u\u00a0(<900\u00b0C vs >1600\u00b0C). Khi c\u1ea3 hai ch\u1ea5t tan ch\u1ea3y, SiO2 s\u1ebd h\u00f2a tan trong dung d\u1ecbch n\u00f3ng ch\u1ea3y \u0111\u1ec3 t\u1ea1o ra Na2SiO3<\/p>\n

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\"{\\displaystyle<\/dd>\n
2 Na2<\/sub>SO4<\/sub> + C + 2 SiO2<\/sub> \u2192 2 Na2<\/sub>SiO3<\/sub> + 2 SO2<\/sub> + CO2<\/sub><\/dd>\n<\/dl>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc : Na2SiO3<\/b><\/p>\n

T\u00ean h\u00f3a h\u1ecdc :\u00a0Natri Silicat, Sodium Silicate<\/strong><\/p>\n

Xu\u1ea5t x\u1ee9:\u00a0Trung Qu\u1ed1c<\/strong><\/p>\n

Qui c\u00e1ch :\u00a030kg\/can<\/strong><\/p>\n","protected":false},"featured_media":732,"comment_status":"open","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product\/440"}],"collection":[{"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/comments?post=440"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media\/732"}],"wp:attachment":[{"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media?parent=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}