{"id":664,"date":"2023-07-21T23:25:05","date_gmt":"2023-07-21T23:25:05","guid":{"rendered":"https:\/\/chemuza.org\/cn\/%e7%a3%b7%e9%85%b8%e9%92%be-k3po4\/"},"modified":"2023-07-21T23:25:05","modified_gmt":"2023-07-21T23:25:05","slug":"%e7%a3%b7%e9%85%b8%e9%92%be-k3po4","status":"publish","type":"post","link":"https:\/\/chemuza.org\/cn\/%e7%a3%b7%e9%85%b8%e9%92%be-k3po4\/","title":{"rendered":"\u78f7\u9178\u94be \u2013 k3po4, 7778-53-2"},"content":{"rendered":"<p>\u78f7\u9178\u94be (K3PO4) \u662f\u4e00\u79cd\u542b\u6709\u94be\u548c\u78f7\u5143\u7d20\u7684\u5316\u5408\u7269\u3002\u7531\u4e8e\u5176\u9ad8\u6eb6\u89e3\u5ea6\u548c\u4e3a\u690d\u7269\u751f\u957f\u63d0\u4f9b\u5fc5\u9700\u8425\u517b\u7684\u80fd\u529b\uff0c\u5b83\u901a\u5e38\u7528\u4f5c\u98df\u54c1\u6dfb\u52a0\u5242\u548c\u80a5\u6599\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>\u56fd\u9645\u7eaf\u7cb9\u548c\u5e94\u7528\u5316\u5b66\u8054\u5408\u4f1a\u540d\u79f0<\/td>\n<td>\u78f7\u9178\u94be<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u5b50\u5f0f<\/td>\n<td>\u78f7\u9178\u94be<\/td>\n<\/tr>\n<tr>\n<td>CAS \u53f7<\/td>\n<td>7778-53-2<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u4e49\u8bcd<\/td>\n<td>\u78f7\u9178\u4e09\u94be\u3001\u6b63\u78f7\u9178\u94be\u3001\u78f7\u9178\u53d4\u94be\u3001\u5355\u78f7\u9178\u4e09\u94be\u3001\u78f7\u9178\u4e09\u94be<\/td>\n<\/tr>\n<tr>\n<td>\u4e59\u9170\u80c6\u78b1<\/td>\n<td>InChI=1S\/3K.H3O4P\/c;;;1-5(2,3)4\/h;;;(H3,1,2,3,4)\/q3*+1;\/p-3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"><strong>\u78f7\u9178\u94be\u7684\u6027\u8d28<\/strong><\/h2>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be\u914d\u65b9<\/h3>\n<p>\u78f7\u9178\u94be\u7684\u5316\u5b66\u5f0f\u662fK3PO4\u3002\u8fd9\u8868\u660e\u8be5\u5316\u5408\u7269\u5728\u6bcf\u4e2a\u5f0f\u5355\u5143\u4e2d\u542b\u6709\u4e09\u4e2aK+\u79bb\u5b50\u548c\u4e00\u4e2aPO43-\u79bb\u5b50\u3002\u78f7\u9178\u94be\u516c\u5f0f\u53ef\u7528\u4e8e\u786e\u5b9a\u6d89\u53ca\u5316\u5408\u7269\u7684\u53cd\u5e94\u7684\u5316\u5b66\u8ba1\u91cf\uff0c\u4ee5\u53ca\u786e\u5b9a\u7ed9\u5b9a\u8d28\u91cf\u7684\u5316\u5408\u7269\u4e2d\u5b58\u5728\u7684\u6bcf\u79cd\u5143\u7d20\u7684\u91cf\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be \u6469\u5c14\u8d28\u91cf<\/h3>\n<p>K3PO4 \u7684\u6469\u5c14\u8d28\u91cf\u4e3a 212.27 g\/mol\u3002\u5b83\u662f\u901a\u8fc7\u5c06\u94be\u3001\u78f7\u548c\u6c27\u7684\u539f\u5b50\u8d28\u91cf\u6dfb\u52a0\u5230\u5316\u5408\u7269\u4e2d\u6765\u8ba1\u7b97\u7684\u3002\u6469\u5c14\u8d28\u91cf\u662f\u786e\u5b9a\u7ed9\u5b9a\u8d28\u91cf\u5316\u5408\u7269\u4e2d\u5b58\u5728\u7684\u7269\u8d28\u542b\u91cf\u7684\u91cd\u8981\u53c2\u6570\u3002\u5b83\u8fd8\u53ef\u7528\u4e8e\u8ba1\u7b97\u6d89\u53ca K3PO4 \u7684\u53cd\u5e94\u7684\u5316\u5b66\u8ba1\u91cf\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be\u7684\u6cb8\u70b9<\/h3>\n<p>K3PO4\u7684\u6cb8\u70b9\u4e3a1660\u2103\u3002\u8fd9\u79cd\u9ad8\u6cb8\u70b9\u662f\u7531\u4e8e\u5316\u5408\u7269\u4e2d K+ \u79bb\u5b50\u548c PO43- \u79bb\u5b50\u4e4b\u95f4\u7684\u5f3a\u79bb\u5b50\u952e\u3002\u5b83\u8fd8\u8868\u660e\u4e86\u5316\u5408\u7269\u5728\u9ad8\u6e29\u4e0b\u7684\u7a33\u5b9a\u6027\u3002 K3PO4 \u7684\u6cb8\u70b9\u53ef\u7528\u4e8e\u5404\u79cd\u5de5\u4e1a\u5e94\u7528\uff0c\u4f8b\u5982\u9676\u74f7\u548c\u73bb\u7483\u7684\u751f\u4ea7\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be\u7684\u7194\u70b9<\/h3>\n<p>K3PO4\u7684\u7194\u70b9\u4e3a1340\u00b0C\u3002\u8fd9\u662f\u56fa\u4f53\u5316\u5408\u7269\u8f6c\u53d8\u4e3a\u6db2\u6001\u7684\u6e29\u5ea6\u3002 K3PO4 \u7684\u9ad8\u7194\u70b9\u662f\u7531\u4e8e\u8be5\u5316\u5408\u7269\u7684\u79bb\u5b50\u6027\u8d28\uff0c\u9700\u8981\u5927\u91cf\u7684\u80fd\u91cf\u6765\u514b\u670d\u79bb\u5b50\u4e4b\u95f4\u7684\u5438\u5f15\u529b\u3002 K3PO4 \u7684\u7194\u70b9\u53ef\u7528\u4e8e\u786e\u5b9a\u5176\u662f\u5426\u9002\u5408\u5404\u79cd\u5e94\u7528\uff0c\u4f8b\u5982\u80a5\u6599\u548c\u98df\u54c1\u6dfb\u52a0\u5242\u7684\u751f\u4ea7\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be\u5bc6\u5ea6 g\/mL<\/h3>\n<p> K3PO4 \u7684\u5bc6\u5ea6\u5728\u5ba4\u6e29\u4e0b\u4e3a 2.564 g\/mL\u3002\u8be5\u5316\u5408\u7269\u7684\u9ad8\u5bc6\u5ea6\u662f\u7531\u4e8e\u6bcf\u4e2a\u5206\u5b50\u5f0f\u5355\u5143\u4e2d\u5b58\u5728\u4e09\u4e2a K+ \u79bb\u5b50\u548c\u4e00\u4e2a PO43- \u79bb\u5b50\u3002 K3PO4 \u7684\u5bc6\u5ea6\u53ef\u7528\u4e8e\u786e\u5b9a\u5176\u5728\u5404\u79cd\u5de5\u4e1a\u8fc7\u7a0b\u4e2d\u7684\u6eb6\u89e3\u5ea6\u548c\u884c\u4e3a\uff0c\u4f8b\u5982\u80a5\u6599\u548c\u98df\u54c1\u6dfb\u52a0\u5242\u7684\u751f\u4ea7\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be\u5206\u5b50\u91cf<\/h3>\n<p>K3PO4 \u7684\u5206\u5b50\u91cf\u4e3a 212.27 g\/mol\u3002\u5b83\u662f\u5316\u5408\u7269\u4e2d\u6240\u6709\u539f\u5b50\u7684\u539f\u5b50\u91cf\u4e4b\u548c\u3002\u5206\u5b50\u91cf\u53ef\u7528\u4e8e\u8ba1\u7b97\u7ed9\u5b9a\u8d28\u91cf\u7684\u5316\u5408\u7269\u4e2d\u5b58\u5728\u7684\u7269\u8d28\u7684\u91cf\uff0c\u4ee5\u53ca\u786e\u5b9a\u6d89\u53ca K3PO4 \u7684\u53cd\u5e94\u7684\u5316\u5b66\u8ba1\u91cf\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large\"><img decoding=\"async\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/potassium-phosphate.jpg\" alt=\"\u78f7\u9178\u94be\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\">\u78f7\u9178\u94be\u7684\u7ed3\u6784<\/h3>\n<p>K3PO4 \u5177\u6709\u659c\u65b9\u6676\u4f53\u7ed3\u6784\u3002\u5b83\u7531\u4e00\u7ec4 PO4 \u56db\u9762\u4f53\u7ec4\u6210\uff0c\u6bcf\u4e2a\u78f7\u9178\u6839\u79bb\u5b50\u4e0e\u76f8\u90bb\u7684\u78f7\u9178\u6839\u79bb\u5b50\u5171\u4eab\u4e24\u4e2a\u6c27\u539f\u5b50\u3002\u94be\u79bb\u5b50\u4f4d\u4e8e\u78f7\u9178\u56db\u9762\u4f53\u4e4b\u95f4\uff0c\u88ab\u6c27\u539f\u5b50\u5305\u56f4\u3002 K3PO4 \u7684\u7ed3\u6784\u6709\u52a9\u4e8e\u4e86\u89e3\u5176\u6027\u8d28\uff0c\u4f8b\u5982\u6eb6\u89e3\u5ea6\u548c\u70ed\u7a33\u5b9a\u6027\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>\u5916\u8c8c<\/td>\n<td>\u767d\u8272\u7ed3\u6676\u7c89\u672b<\/td>\n<\/tr>\n<tr>\n<td>\u6bd4\u91cd<\/td>\n<td>2,564 \u514b\/\u6beb\u5347<\/td>\n<\/tr>\n<tr>\n<td>\u989c\u8272<\/td>\n<td>\u767d\u8272\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u95fb<\/td>\n<td>\u65e0\u5473<\/td>\n<\/tr>\n<tr>\n<td>\u6469\u5c14\u8d28\u91cf<\/td>\n<td>212.27 \u514b\/\u6469\u5c14<\/td>\n<\/tr>\n<tr>\n<td>\u5bc6\u5ea6<\/td>\n<td>2,564 \u514b\/\u6beb\u5347<\/td>\n<\/tr>\n<tr>\n<td>\u878d\u5408\u70b9<\/td>\n<td>1340\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u6cb8\u70b9<\/td>\n<td>1660\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u95ea\u70b9<\/td>\n<td>\u4e0d\u9002\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u6c34\u4e2d\u6eb6\u89e3\u5ea6<\/td>\n<td>100\u514b\/\u5347\uff0820\u00b0C\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6eb6\u89e3\u5ea6<\/td>\n<td>\u6eb6\u4e8e\u4e59\u9187\u3001\u4e19\u916e\uff0c\u4e0d\u6eb6\u4e8e\u4e59\u919a<\/td>\n<\/tr>\n<tr>\n<td>\u84b8\u6c7d\u538b\u529b<\/td>\n<td>\u5fae\u4e0d\u8db3\u9053<\/td>\n<\/tr>\n<tr>\n<td>\u84b8\u6c14\u5bc6\u5ea6<\/td>\n<td>\u4e0d\u9002\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u9178\u5ea6<\/td>\n<td>pKa1 = 2.16\uff0cpKa2 = 7.21\uff0cpKa3 = 12.32<\/td>\n<\/tr>\n<tr>\n<td>\u9178\u78b1\u5ea6<\/td>\n<td>1%\u6eb6\u6db2\u7684pH\u503c\u4e3a11.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"><strong>\u78f7\u9178\u94be\u7684\u5b89\u5168\u548c\u5371\u9669<\/strong><\/h2>\n<p>\u5982\u679c\u5904\u7406\u6b63\u786e\uff0cK3PO4 \u901a\u5e38\u88ab\u8ba4\u4e3a\u53ef\u4ee5\u5b89\u5168\u4f7f\u7528\u3002\u7136\u800c\uff0c\u4e0e\u4efb\u4f55\u5316\u5b66\u54c1\u4e00\u6837\uff0c\u5982\u679c\u5904\u7406\u4e0d\u5f53\u6216\u5927\u91cf\u6444\u5165\uff0c\u5b83\u53ef\u80fd\u4f1a\u9020\u6210\u5371\u9669\u3002\u8be5\u5316\u5408\u7269\u88ab\u5f52\u7c7b\u4e3a\u76ae\u80a4\u3001\u773c\u775b\u548c\u547c\u5438\u9053\u523a\u6fc0\u7269\uff0c\u5982\u679c\u5438\u5165\u6216\u6444\u5165\u9ad8\u6d53\u5ea6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e25\u91cd\u70e7\u4f24\u6216\u547c\u5438\u7a98\u8feb\u3002\u5b83\u8fd8\u4e0e\u9178\u548c\u6c27\u5316\u5242\u4e0d\u76f8\u5bb9\uff0c\u5982\u679c\u63a5\u89e6\u8fd9\u4e9b\u6750\u6599\u53ef\u80fd\u4f1a\u5f15\u8d77\u706b\u707e\u6216\u7206\u70b8\u3002\u56e0\u6b64\uff0c\u52a1\u5fc5\u5c0f\u5fc3\u5904\u7406 K3PO4\uff0c\u7a7f\u6234\u9002\u5f53\u7684\u9632\u62a4\u8bbe\u5907\uff0c\u5e76\u5c06\u5176\u50a8\u5b58\u5728\u9634\u51c9\u3001\u5e72\u71e5\u3001\u901a\u98ce\u826f\u597d\u7684\u533a\u57df\uff0c\u8fdc\u79bb\u4e0d\u76f8\u5bb9\u7269\u8d28\u3002<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>\u5371\u9669\u7b26\u53f7<\/td>\n<td>\u4e60\uff08\u70e6\u4eba\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u8bf4\u660e<\/td>\n<td>\u907f\u514d\u4e0e\u76ae\u80a4\u548c\u773c\u775b\u63a5\u89e6\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8054\u5408\u56fd\u8bc6\u522b\u53f7<\/td>\n<td>UN 2833\uff08\u65e0\u6c34\uff09\uff0cUN 2423\uff08\u4e09\u6c34\u5408\u7269\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u6d77\u5173\u7f16\u7801<\/td>\n<td>28352400<\/td>\n<\/tr>\n<tr>\n<td>\u5371\u9669\u7b49\u7ea7<\/td>\n<td>6.1\uff08\u6709\u6bd2\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5\u7ec4\u522b<\/td>\n<td>\u4e09\u3001<\/td>\n<\/tr>\n<tr>\n<td>\u6bd2\u6027<\/td>\n<td>LD50\uff08\u5927\u9f20\u53e3\u670d\uff09\uff1a2,340 mg\/kg\uff1b LC50\uff08\u5438\u5165\uff0c\u5927\u9f20\uff09\uff1a50 mg\/L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"><strong>\u78f7\u9178\u94be\uff08K3PO4\uff09\u7684\u5408\u6210\u65b9\u6cd5<\/strong><\/h2>\n<p>\u6709\u591a\u79cd\u5408\u6210 K3PO4 \u7684\u65b9\u6cd5\uff0c\u5305\u62ec<a href=\"https:\/\/chemuza.org\/cn\/\u78f7\u9178-h3po4\/\">\u78f7\u9178 (H3PO4)<\/a>\u4e0e<a href=\"https:\/\/chemuza.org\/cn\/\u82db\u6027\u94be-\u6c22\u6c27\u5316\u94be-koh\/\">\u6c22\u6c27\u5316\u94be (KOH)<\/a>\u7684\u53cd\u5e94\u6216 KH2PO4 \u7684\u70ed\u5206\u89e3\u3002<\/p>\n<p>\u4e00\u79cd\u65b9\u6cd5\u662f\u5c06\u7b49\u6469\u5c14\u91cf\u7684<a href=\"https:\/\/chemuza.org\/cn\/\u82db\u6027\u94be-\u6c22\u6c27\u5316\u94be-koh\/\">KOH<\/a>\u548c<a href=\"https:\/\/chemuza.org\/cn\/\u78f7\u9178-h3po4\/\">H3PO4<\/a>\u5728\u6c34\u4e2d\u5728\u7ea6 60 \u81f3 80\u00b0C \u7684\u6e29\u5ea6\u4e0b\u53cd\u5e94\u3002\u8be5\u8fc7\u7a0b\u5305\u62ec\u84b8\u53d1\u6240\u5f97\u6df7\u5408\u7269\u5e76\u5c06\u56fa\u4f53\u6b8b\u7559\u7269\u52a0\u70ed\u81f3\u7ea6 300\u00b0C \u4ee5\u4ea7\u751f K3PO4\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662fKH2PO4\u4e0e<a href=\"https:\/\/chemuza.org\/cn\/\u82db\u6027\u94be-\u6c22\u6c27\u5316\u94be-koh\/\">KOH<\/a>\u5728\u9ad8\u6e29\uff08400\u2103\u4ee5\u4e0a\uff09\u4e0b\u53cd\u5e94\u751f\u6210K3PO4\u548c\u6c34\u3002\u4e13\u95e8\u7684\u70e4\u7bb1\u53ef\u4ee5\u6267\u884c\u8fd9\u4e2a\u79f0\u4e3a\u70ed\u5206\u89e3\u7684\u8fc7\u7a0b\u3002<\/p>\n<p><a href=\"https:\/\/chemuza.org\/cn\/\u78f7\u9178-h3po4\/\">\u78f7\u9178<\/a>\u4e0e\u78b3\u9178\u94be (K2CO3) \u7684\u53cd\u5e94\u4ee5\u53ca\u6c27\u5316\u94be (K2O) \u4e0e\u4e94\u6c27\u5316\u4e8c\u78f7 (P2O5) \u7684\u53cd\u5e94\u662f\u751f\u4ea7 K3PO4 \u7684\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n<h2 class=\"wp-block-heading\"><strong>\u78f7\u9178\u94be\u7684\u7528\u9014<\/strong><\/h2>\n<p>K3PO4 \u5728\u4e00\u7cfb\u5217\u884c\u4e1a\u4e2d\u6709\u591a\u79cd\u5b9e\u9645\u7528\u9014\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u80a5\u6599\uff1a\u7531\u4e8e\u78f7\u542b\u91cf\u9ad8\uff0c\u5e38\u7528\u4f5c\u80a5\u6599\u3002\u519c\u6c11\u7ecf\u5e38\u5c06\u5176\u6dfb\u52a0\u5230\u571f\u58e4\u4e2d\uff0c\u4e3a\u690d\u7269\u63d0\u4f9b\u5fc5\u9700\u7684\u8425\u517b\u3002<\/li>\n<li>\u98df\u54c1\u5de5\u4e1a\uff1a\u7528\u4f5c\u98df\u54c1\u6dfb\u52a0\u5242\uff0c\u8c03\u8282\u9178\u5ea6\u3001\u9632\u6b62\u53d8\u8272\u3001\u6539\u5584\u8d28\u5730\u3002<\/li>\n<li>\u7f13\u51b2\u5242\uff1a\u5404\u79cd\u5b9e\u9a8c\u5ba4\u5e94\u7528\u5c06\u5176\u7528\u4f5c\u6709\u6548\u7684\u7f13\u51b2\u5242\uff0c\u5305\u62ec pH 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