{"id":1380,"date":"2023-04-12T09:33:16","date_gmt":"2023-04-12T01:33:16","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=1380"},"modified":"2023-04-12T09:33:16","modified_gmt":"2023-04-12T01:33:16","slug":"%e6%97%a0%e6%b0%b4%e6%9f%a0%e6%aa%ac%e9%85%b8-77-92-9-%e7%91%9e%e5%a8%81%e5%b0%94%e7%94%9f%e7%89%a9%e7%a7%91%e6%8a%80","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=1380","title":{"rendered":"\u65e0\u6c34\u67e0\u6aac\u9178 | 77-92-9 | \u745e\u5a01\u5c14\u751f\u7269\u79d1\u6280"},"content":{"rendered":"\n
\u4e2d\u6587\u540d<\/td>\u67e0\u6aac\u9178<\/td><\/tr>
\u4e2d\u6587\u540c\u4e49<\/td>\u67e0\u6aac\u9178\/\u67b8\u6a7c\u9178;\u67e0\u6aac\u9178\u9150;\u67b8\u6a7c\u9178,\u65e0\u6c34;\u67e0\u6aac\u9178\u6807\u51c6\u54c1;\u67e0\u6aac\u9178, ACS\u7ea7;\u67e0\u6aac\u9178 \u65e0\u6c34,\u542b\u6c34;\u67e0\u6aac\u9178, \u65e0\u6c34, ACS\u7ea7;\u65e0\u6c34\u67e0\u6aac\u9178\u6807\u51c6\u54c1<\/td><\/tr>
\u82f1\u6587\u540d<\/td>Citric acid<\/td><\/tr>
\u82f1\u6587\u540c\u4e49<\/td>BETZ 6251;BETZ 0623;BORIC ACID-POTASSIUM CHLORIDE-SODIUM HYDROXIDE BUFFER;BUFFER CONCENTRATE, PH 7.00;BUFFER CONCENTRATE, PH 8.00;BUFFER CONCENTRATE, PH 9.00;BUFFER CONCENTRATE, PHOSPHATE\/SODIUM HYDROXIDE;BUFFER CONCENTRATE, POTASSIUM CHLORIDE\/SODIUM HYDROXIDE<\/td><\/tr>
CAS<\/td>77-92-9<\/strong><\/td><\/tr>
\u5206\u5b50\u5f0f<\/td>C6H8O7<\/td><\/tr>
\u5206\u5b50\u91cf<\/td>192.12<\/td><\/tr>
EINECS<\/td>201-069-1<\/td><\/tr>
\u7ed3\u6784\u5f0f<\/td>\"\u67e0\u6aac\u9178\"<\/td><\/tr>
\u6027\u8d28<\/td><\/tr>
\u7194\u70b9<\/td>153-159 \u00b0C(lit.)<\/td><\/tr>
\u6cb8\u70b9<\/td>248.08\u00b0C (rough estimate)<\/td><\/tr>
\u5bc6\u5ea6<\/td>1.542<\/td><\/tr>
\u84b8\u6c14\u5bc6\u5ea6<\/td>7.26 (vs air)<\/td><\/tr>
\u84b8\u6c14\u538b<\/td><0.1 hPa (20 \u00b0C)<\/td><\/tr>
\u6298\u5c04\u7387<\/td>1.493~1.509<\/td><\/tr>
FEMA<\/td>2306 | CITRIC ACID<\/td><\/tr>
\u95ea\u70b9<\/td>100 \u00b0C<\/td><\/tr>
\u50a8\u5b58\u6761\u4ef6<\/td>Store at RT.<\/td><\/tr>
\u6eb6\u89e3\u5ea6<\/td>H2<\/sub>O: 1 M at 20 \u00b0C, clear, colorless<\/td><\/tr>
\u9178\u5ea6\u7cfb\u6570(pKa)<\/td>3.14(at 20\u2103)<\/td><\/tr>
\u5f62\u6001<\/td>grit<\/td><\/tr>
\u989c\u8272<\/td>White<\/td><\/tr>
\u6c14\u5473 (Odor)<\/td>Odorless<\/td><\/tr>
PH\u503c<\/td>1.0-2.0 (25\u2103, 1M in H2O)<\/td><\/tr>
\u7206\u70b8\u6781\u9650\u503c(explosive limit)<\/td>8%, 65\u00b0F<\/td><\/tr>
\u6c34\u6eb6\u89e3\u6027<\/td>750 g\/L (20 \u00baC)<\/td><\/tr>
\u6700\u5927\u6ce2\u957f(\u03bbmax)<\/td>\u03bb: 260 nm Amax: 0.20
\u03bb: 280 nm Amax: 0.10<\/td><\/tr>
\u654f\u611f\u6027<\/td>Hygroscopic<\/td><\/tr>
JECFA Number<\/td>218<\/td><\/tr>
Merck<\/td>14,2326<\/td><\/tr>
BRN<\/td>782061<\/td><\/tr>
\u7a33\u5b9a\u6027<\/td>Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates.<\/td><\/tr>
InChIKey<\/td>KRKNYBCHXYNGOX-UHFFFAOYSA-N<\/td><\/tr>
NIST\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9)<\/td><\/tr>
EPA\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>Citric acid (77-92-9)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u672c\u516c\u53f8\u7684\u6240\u6709\u4ea7\u54c1\u4ec5\u7528\u4e8e\u79d1\u5b66\u7814\u7a76\u6216\u8005\u5de5\u4e1a\u5e94\u7528\u7b49\u975e\u533b\u7597\u76ee\u7684\uff0c\u4e0d\u53ef\u7528\u4e8e\u4eba\u7c7b\u6216\u52a8\u7269\u7684\u4e34\u5e8a\u8bca\u65ad\u6216\u6cbb\u7597\uff0c\u975e\u836f\u7528\uff0c\u975e\u98df\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e2d\u6587\u540d \u67e0\u6aac\u9178 \u4e2d\u6587\u540c\u4e49 \u67e0\u6aac\u9178\/\u67b8\u6a7c\u9178;\u67e0\u6aac\u9178\u9150;\u67b8\u6a7c\u9178,\u65e0\u6c34;\u67e0\u6aac\u9178\u6807\u51c6\u54c1;\u67e0\u6aac\u9178, ACS\u7ea7;\u67e0\u6aac\u9178 \u65e0 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1380","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1380"}],"version-history":[{"count":1,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1380\/revisions"}],"predecessor-version":[{"id":1381,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1380\/revisions\/1381"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}