{"id":224,"date":"2023-05-30T14:48:29","date_gmt":"2023-05-30T06:48:29","guid":{"rendered":"http:\/\/www.zenith-vn.com\/?p=224"},"modified":"2024-04-12T11:17:56","modified_gmt":"2024-04-12T03:17:56","slug":"ascorbic-acid-vitamin-c","status":"publish","type":"post","link":"https:\/\/www.zenith-vn.com\/vi\/axit-ascorbic-vitamin-c\/","title":{"rendered":"Axit ascorbic (Vitamin C)"},"content":{"rendered":"
V\u1ebb b\u1ec1 ngo\u00e0i<\/td>Tinh th\u1ec3 ho\u1eb7c b\u1ed9t tinh th\u1ec3 m\u00e0u tr\u1eafng ho\u1eb7c g\u1ea7n nh\u01b0 tr\u1eafng<\/td><\/tr>
Nh\u1eadn bi\u1ebft<\/td>Ph\u1ea3n \u1ee9ng t\u00edch c\u1ef1c<\/td><\/tr>
\u0110\u1ed9 n\u00f3ng ch\u1ea3y<\/td>Kho\u1ea3ng 190oC<\/td><\/tr>
PH<\/td>2.1 ~ 2.6<\/td><\/tr>
S\u1ef1 r\u00f5 r\u00e0ng c\u1ee7a gi\u1ea3i ph\u00e1p<\/td>Th\u00f4ng tho\u00e1ng<\/td><\/tr>
M\u00e0u c\u1ee7a dung d\u1ecbch<\/td>\u2264BY7<\/td><\/tr>
\u0110\u1ed3ng<\/td>5ppm<\/td><\/tr>
S\u1eaft<\/td>2ppm<\/td><\/tr>
Asen<\/td>3ppm<\/td><\/tr>
th\u1ee7y ng\u00e2n<\/td>.10,1mg\/kg<\/td><\/tr>
Ch\u1ec9 huy<\/td>2mg\/kg<\/td><\/tr>
Kim lo\u1ea1i n\u1eb7ng<\/td>10ppm<\/td><\/tr>
D\u01b0 l\u01b0\u1ee3ng khi \u0111\u00e1nh l\u1eeda<\/td>.110,1%<\/td><\/tr>
Xoay quang \u0111\u1eb7c bi\u1ec7t<\/td>+20,5\u00b0\u2013 +21,5\u00b0<\/td><\/tr>
Axit oxalic<\/td>.210,2%<\/td><\/tr>
T\u1ea1p ch\u1ea5t E<\/td>.210,2%<\/td><\/tr>
M\u1ea5t s\u1ea5y kh\u00f4<\/td>.40,4%<\/td><\/tr>
D\u01b0 l\u01b0\u1ee3ng khi \u0111\u00e1nh l\u1eeda<\/td>.110,1%<\/td><\/tr>
Xoay quang \u0111\u1eb7c bi\u1ec7t<\/td>+20,5\u00b0\u2013+21,5\u00b0<\/td><\/tr>
Dung m\u00f4i d\u01b0<\/td>\u0110\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u.<\/td><\/tr>
x\u00e9t nghi\u1ec7m<\/td>99.0%-100.5%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

C\u1ea4U TR\u00daC PH\u00c2N T\u1eec:<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed:C6<\/sub>H8<\/sub>\u1ed36<\/sub><\/p>","protected":false},"excerpt":{"rendered":"

Appearance White or almost white crystals or crystalline powder Identification Positive Reaction Melting Point About 190\u2103 PH 2.1 ~ 2.6 Clarity Of Solution Clear Colour Of Solution \u2264BY7 Copper \u22645ppm Iron \u22642ppm Arsenic \u22643ppm Mercury \u22640.1mg\/kg Lead \u22642mg\/kg Heavy Metals \u226410ppm Residue On Ignition \u22640.1% Specific Optical Rotation +20.5\u00b0\u2013 +21.5\u00b0 Oxalic Acid \u22640.2% Impurity E […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-224","post","type-post","status-publish","format-standard","hentry","category-nutrition-ingredients"],"_links":{"self":[{"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/posts\/224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/comments?post=224"}],"version-history":[{"count":2,"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/posts\/224\/revisions"}],"predecessor-version":[{"id":451,"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/posts\/224\/revisions\/451"}],"wp:attachment":[{"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/media?parent=224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/categories?post=224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zenith-vn.com\/vi\/wp-json\/wp\/v2\/tags?post=224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}