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{"id":799,"date":"2016-09-27T03:21:36","date_gmt":"2016-09-27T03:21:36","guid":{"rendered":"http:\/\/vuhoangco.com.vn\/en\/?post_type=product&p=799"},"modified":"2016-09-27T03:21:36","modified_gmt":"2016-09-27T03:21:36","slug":"axit-oxalic-h2c2o4-996","status":"publish","type":"product","link":"https:\/\/vuhoangco.com.vn\/en\/product\/axit-oxalic-h2c2o4-996\/","title":{"rendered":"Axit oxalic- H2C2O4 99,6%"},"content":{"rendered":"

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd:\u00a0<\/strong><\/em>H\u1ea1t tinh th\u1ec3 tr\u1eafng, tr\u1eafng ng\u00e0<\/p>\n

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

Axit oxalic l\u00e0 m\u1ed9t axit t\u01b0\u01a1ng \u0111\u1ed1i m\u1ea1nh m\u1ebd, m\u1eb7c d\u00f9 l\u00e0 m\u1ed9t axit cacboxylic:<\/p>\n

C2<\/sub>O4<\/sub>H2<\/sub> \u21cc C2<\/sub>O4<\/sub>H\u2212<\/sup> + H+<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span> pK<\/i>a<\/sub> = 1.27<\/p>\n

C2<\/sub>O4<\/sub>H\u2212<\/sup> \u21cc C2O2\u22124<\/span> + H+<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span> pK<\/i>a<\/sub> = 4.27<\/p>\n

Axit oxalic tham gia nhi\u1ec1u ph\u1ea3n \u1ee9ng \u0111\u1eb7c tr\u01b0ng c\u1ee7a axit cacboxylic kh\u00e1c. N\u00f3 t\u1ea1o th\u00e0nh este: nh\u01b0 dimethyl oxalate (M.P. 52,5-53,5 \u00b0 C (126,5-128,3 \u00b0 F)). Ngo\u00e0i ra n\u00f3 c\u0169ng t\u1ea1o ra m\u1ed9t axit clorua \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 oxalyl clorua..<\/p>\n

Oxalat, baz\u01a1 li\u00ean h\u1ee3p c\u1ee7a axit oxalic, l\u00e0 m\u1ed9t ph\u1ed1i t\u1eed tuy\u1ec7t v\u1eddi cho c\u00e1c ion kim lo\u1ea1i, v\u00ed d\u1ee5 thu\u1ed1c oxaliplatin.<\/p>\n

Axit oxalic v\u00e0 oxalat th\u1ec3 b\u1ecb oxy h\u00f3a b\u1edfi permanganat trong m\u1ed9t ph\u1ea3n \u1ee9ng x\u00fac t\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc : C2<\/sub>H2<\/sub>O4<\/sub> . 2 H2<\/sub>O ho\u1eb7c (COOH)2<\/sub> . 2 H2<\/sub>O ho\u1eb7c\u00a0C2<\/sub>H6<\/sub>O6<\/sub><\/strong><\/p>\n

T\u00ean h\u00f3a h\u1ecdc : Axit oxalic, Oxalic acid<\/strong><\/p>\n

Xu\u1ea5t x\u1ee9: Trung Qu\u1ed1c<\/b><\/p>\n

Qui c\u00e1ch :\u00a025 kg\/ bao<\/strong><\/p>\n","protected":false},"featured_media":800,"comment_status":"open","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product\/799"}],"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=799"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media\/800"}],"wp:attachment":[{"href":"https:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media?parent=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}