{"id":72084,"date":"2017-03-19T08:38:35","date_gmt":"2017-03-19T00:38:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=72084"},"modified":"2017-03-22T12:37:33","modified_gmt":"2017-03-22T04:37:33","slug":"%e4%b8%80%e8%88%ac%e6%b0%a2%e7%94%b5%e6%9e%81-%e6%a0%87%e5%87%86%e6%b0%a2%e7%94%b5%e6%9e%81%e5%92%8c%e5%8f%af%e9%80%86%e6%b0%a2%e7%94%b5%e6%9e%81%e8%be%a8%e6%9e%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=72084","title":{"rendered":"\u4e00\u822c\u6c22\u7535\u6781, \u6807\u51c6\u6c22\u7535\u6781\u548c\u53ef\u9006\u6c22\u7535\u6781\u8fa8\u6790"},"content":{"rendered":"<p>\u6c22\u6807\u51c6\u7535\u6781\u662f\u7535\u5316\u5b66\u4e2d\u7684\u4e00\u7ea7\u6807\u51c6\u7535\u6781\uff0c\u5176\u7535\u52bf\u5df2\u6210\u4e3a\u4efb\u4f55\u7535\u5316\u5b66\u6c27\u5316\u8fd8\u539f\u534a\u53cd\u5e94\u7535\u52bf\u7684\u96f6\u7535\u4f4d\u57fa\u51c6\u3002\u76ee\u524d\uff0c\u4e09\u79cd\u6c22\u7535\u6781\uff0c\u5373\u4e00\u822c\u6c22\u7535\u6781\uff08Normal Hydrogen Electrode, NHE\uff09\uff0c\u6807\u51c6\u6c22\u7535\u6781\uff08Standard Hydrogen Electrode, SHE\uff09\u548c\u53ef\u9006\u6c22\u7535\u6781\uff08Reversible Hydrogen Electrode, RHE\uff09\u7ecf\u5e38\u4e8e\u5404\u7c7b\u6587\u732e\u4e2d\u88ab\u7528\u4e8e\u8868\u793a\u7535\u6781\u7535\u52bf\uff0c\u5e76\u5728\u4e0d\u5c11\u573a\u5408\u51fa\u73b0\u4e86\u968f\u610f\u4f7f\u7528\u7684\u8d8b\u52bf\u3002\u7136\u800c\u4e09\u8005\u5374\u6709\u7740\u672c\u8d28\u7684\u4e0d\u540c\u3002<\/p>\n<p><strong><span style=\"color: #0000ff\">\u4e00\u3001\u4e00\u822c\u6c22\u7535\u6781\uff0cNHE<\/span><\/strong><\/p>\n<p>\u4e00\u822c\u6c22\u7535\u6781\u7684\u5b9a\u4e49\u4e3a<strong>\u201c\u94c2\u7535\u6781\u6d78\u5728\u6d53\u5ea6\u4e3a1\u5f53\u91cf\u6d53\u5ea6*\uff08Normal Concentration, N\uff09\u7684\u4e00\u5143\u5f3a\u9178\u4e2d\u5e76\u653e\u51fa\u538b\u529b\u7ea6\u4e00\u4e2a\u6807\u51c6\u5927\u6c14\u538b\u7684\u6c22\u6c14<\/strong>\u201d\u3002\u56e0\u5176\u8f83\u6807\u51c6\u6c22\u7535\u6781\u6613\u4e8e\u5236\u5907\uff0c\u6545\u4e3a\u65e7\u65f6\u7535\u5316\u5b66\u5e38\u7528\u6807\u51c6\u7535\u6781\u3002\u4f46\u7531\u4e8e\u8fd9\u6837\u7684\u7535\u6781\u5e76\u4e0d\u4e25\u683c\u53ef\u9006\uff0c\u6545\u7535\u538b\u5e76\u4e0d\u7a33\u5b9a\uff0c\u73b0\u5728\u5df2\u7ecf\u88ab\u5f03\u7528\u3002<\/p>\n<p>* \u6ce8\uff1a\u5bf9\u4e8e\u6c22\u79bb\u5b50\u800c\u8a00\uff0c1\u5f53\u91cf\u6d53\u5ea6=1\u6469\u5c14\u6d53\u5ea6\uff0c\u53731 N = 1 M<\/p>\n<p><span style=\"color: #0000ff\"><strong>\u4e8c\u3001\u6807\u51c6\u6c22\u7535\u6781\uff0c<\/strong><strong>SHE<\/strong><\/span><\/p>\n<p>\u6807\u51c6\u6c22\u7535\u6781\u7684\u5b9a\u4e49\u4e3a\u201c<strong>\u94c2\u7535\u6781\u5728\u6c22\u79bb\u5b50\u6d3b\u5ea6\u4e3a1 M\u7684\u7406\u60f3\u6eb6\u6db2\u4e2d\uff0c\u5e76\u4e0e100 kPa\u538b\u529b\u4e0b\u7684\u6c22\u6c14\u5e73\u8861\u5171\u5b58\u65f6\u6240\u6784\u6210\u7684\u7535\u6781<\/strong>\u201d\u3002\u6b64\u79cd\u7535\u6781\u5373\u5f53\u524d\u7535\u5316\u5b66\u6240\u89c4\u5b9a\u7684\u4e00\u7ea7\u6807\u51c6\u7535\u6781\uff0c\u5176\u6807\u51c6\u7535\u6781\u7535\u52bf\u88ab\u4eba\u4e3a\u89c4\u5b9a\u4e3a\u96f6\uff08\u5176\u7edd\u5bf9\u7535\u52bf\u572825 <sup>o<\/sup>C\u4e0b\u4e3a4.44\u00b10.02 V\uff09\u3002\u6b64\u7535\u6781\u53cd\u5e94\u5b8c\u5168\u53ef\u9006\uff0c\u4f46\u201c\u6c22\u79bb\u5b50\u6d3b\u5ea6\u4e3a1 M\u7684\u7406\u60f3\u6eb6\u6db2\u201d\u5b9e\u9645\u4e2d\u5e76\u4e0d\u5b58\u5728\uff0c\u6545\u800c\u8be5\u7535\u6781\u53ea\u662f\u4e00\u4e2a\u7406\u60f3\u6a21\u578b\u3002\u5f53\u5217\u4e3e\u5176\u4ed6\u53c2\u6bd4\u7535\u6781\u7684\u7535\u52bf\u65f6\uff0c\u5982\u65e0\u7279\u522b\u8bf4\u660e\uff0c\u5e94\u8be5\u90fd\u662f\u76f8\u5bf9\u4e8e\u6807\u51c6\u6c22\u7535\u6781\u7684\u7535\u52bf\uff0c\u6807\u6ce8\u5e94\u4e3a\u201c<em>vs.<\/em> SHE\u201d\u3002<\/p>\n<p><span style=\"color: #0000ff\"><strong>\u4e09\u3001\u53ef\u9006\u6c22\u7535\u6781\uff0c<\/strong><strong>RHE<\/strong><\/span><\/p>\n<p>\u53ef\u9006\u6c22\u7535\u6781\u4e3a\u6807\u51c6\u6c22\u7535\u6781\u7684\u4e00\u79cd\u3002<strong>\u5176\u4e0e\u6807\u51c6\u6c22\u7535\u6781\u5728\u5b9a\u4e49\u4e0a\u7684\u552f\u4e00\u533a\u522b\u4fbf\u662f\u53ef\u9006\u6c22\u7535\u6781\u5e76\u6ca1\u6709\u6c22\u79bb\u5b50\u6d3b\u5ea6\u7684\u8981\u6c42<\/strong>\uff0c\u6240\u4ee5\u53ef\u9006\u6c22\u7535\u6781\u7684\u7535\u52bf\u548cpH\u6709\u5173\u3002\u5229\u7528\u80fd\u65af\u7279\u65b9\u7a0b\uff08Nernst Equation\uff09\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u63a8\u5bfc\u51fa\u53ef\u9006\u6c22\u7535\u6781\u7535\u52bf\u7684\u5177\u4f53\u8868\u8fbe\u5f0f\uff1a<\/p>\n<p style=\"text-align: center\"><em>E<\/em>=-0.059pH (@25 <sup>o<\/sup>C)<\/p>\n<p><span style=\"color: #0000ff\"><strong>\u56db\u3001\u4ea7\u6c27\u7535\u4f4d<\/strong><\/span><\/p>\n<p style=\"text-align: left\">\u6587\u732e\u4e2d\u6709\u63d0\u53ca\u6c27\u6c14\u7684\u6790\u51fa\u7535\u4f4d\u82e5\u7528SHE\u505a\u6807\u51c6\u5219\u4f1a\u968f\u7740pH\u7684\u53d8\u5316\u800c\u53d8\u5316\uff0c\u4f46\u7528RHE\u505a\u6807\u51c6\u5219\u4e0d\u4f1a\u6539\u53d8\u3002\u8981\u7406\u89e3\u8fd9\u4e2a\u8bba\u65ad\uff0c\u9700\u8981\u4ece\u6c34\u7684<em>E<\/em>-pH\u56fe\uff08\u5373Pourbaix\u56fe\uff09\u5165\u624b\uff1a<\/p>\n<p style=\"text-align: left\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-72086 \" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/03\/1-11.png\" alt=\"\" width=\"437\" height=\"343\" \/><\/p>\n<p>\u7ea2\u7ebf\u4e3a\u6790\u6c22\u534a\u53cd\u5e94\u7535\u52bf\uff08\u8fd9\u91cc\u7535\u52bf\u6307\u70ed\u529b\u5b66\u7535\u52bf\uff0c\u5373\u4e0d\u8003\u8651\u8d85\u7535\u52bf\u5b58\u5728\uff0c\u4e0b\u540c\uff09\u7684\u80fd\u65af\u7279\u65b9\u7a0b\u7684\u51fd\u6570\uff0c\u5176y-\u622a\u8ddd\u4e3a0\uff08\u5373pH\u4e3a0\u65f6\uff0c\u6790\u6c22\u7535\u4f4d\u4e3a0\uff09\uff0c\u66f2\u7ebf\u659c\u7387\u4e3a-0.059\u3002\u84dd\u7ebf\u4e3a\u4ea7\u6c27\u534a\u53cd\u5e94\u7535\u52bf\u7684\u80fd\u65af\u7279\u65b9\u7a0b\u51fd\u6570\uff0c\u5176y-\u622a\u8ddd\u4e3a1.23 V\uff0c\u66f2\u7ebf\u659c\u7387\u4e3a-0.059\u3002\u7531\u6b64\u53ef\u77e5\uff0c\u56fe\u4e2d\u7ea2\u7ebf\u7684y-\u622a\u8ddd\uff0c\u5373\u7ea2\u70b9\u4f4d\u7f6e\u7684\u7535\u4f4d\u4e3aSHE\u7684\u7535\u4f4d\uff0c\u800c\u7ea2\u7ebf\u7684\u7535\u4f4d\u5219\u4e3aRHE\u7684\u7535\u4f4d\u3002\u6545\u4ea7\u6c27\u7535\u52bf\u82e5\u4ee5SHE\u4e3a\u57fa\u51c6\uff0c\u5219\u4e0epH\u6709\u5173[\u4ea7\u6c27\u7535\u52bf\u968fpH\u503c\u6539\u53d8\uff0c\u4f46\u7ea2\u70b9\u7535\u52bf\u6052\u5b9a\uff0c\u90a3\u4e48\u4e8c\u8005\u7535\u52bf\u5dee\u80af\u5b9a\u4f1a\u968fpH\u53d8\u5316\u800c\u53d8\u5316]\uff1b\u800c\u7528RHE\u505a\u57fa\u51c6\uff0c\u5219\u5728\u5404\u4e2apH\u4e0b\u5176\u7535\u4f4d\u5747\u4e3a1.23 V\uff08vs. RHE\uff09[\u56fe\u4e2d\u7ea2\u7ebf\u548c\u84dd\u7ebf\u56e0\u4e3a\u659c\u7387\u76f8\u7b49\uff0c\u6240\u4ee5\u4e24\u7ebf\u5e73\u884c\uff0c\u6545\u540c\u4e00pH\u503c\u4e0b\u4e24\u7ebf\u7684\u95f4\u8ddd\u59cb\u7ec8\u76f8\u7b49\uff0c\u4e3a1.23]\u3002\u6240\u4ee5\uff0c\u5728\u50ac\u5316\u6587\u732e\u4e2d\u62a5\u9053\u4ea7\u6c27\u7535\u4f4d\u65f6\u5e38\u5e38\u4f7f\u7528RHE\u4e3a\u57fa\u51c6\uff0c\u4ee5\u6d88\u9664\u7535\u89e3\u8d28pH\u5bf9\u4ea7\u6c27\u7535\u52bf\u7684\u201c\u8d21\u732e\u201d\u3002<\/p>\n<p style=\"text-align: left\"><span style=\"color: #ff0000\"><strong>\u7efc\u4e0a\u6240\u8ff0\uff0c NHE\u5df2\u57fa\u672c\u5f03\u7528\uff1bSHE\u6052\u5b9a0 V\uff0c\u4e3a\u73b0\u884c\u7535\u6781\u7535\u52bf\u7684\u96f6\u70b9\uff1bRHE\u7535\u4f4d\u540cpH\u6709\u5173\uff0c\u5e38\u7528\u4e8e\u50ac\u5316\u76f8\u5173\u7684\u6587\u732e\u4e2d\u3002RHE\u662fSHE\u7684\u4e00\u4e2a\u62d3\u5c55\u3002<\/strong><\/span><\/p>\n<p style=\"text-align: left\">\u00a0<\/p>\n<p style=\"text-align: left\">\u672c\u6587\u6709\u6750\u6599\u4eba\u7279\u9080\u7f16\u8f91Tianyu_Liu\u64b0\u5199\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6c22\u6807\u51c6\u7535\u6781\u662f\u7535\u5316\u5b66\u4e2d\u7684\u4e00\u7ea7\u6807\u51c6\u7535\u6781\uff0c\u5176\u7535\u52bf\u5df2\u6210\u4e3a\u4efb\u4f55\u7535\u5316\u5b66\u6c27\u5316\u8fd8\u539f\u534a\u53cd\u5e94\u7535\u52bf\u7684\u96f6\u7535\u4f4d\u57fa\u51c6\u3002\u76ee\u524d\uff0c\u4e09\u79cd\u6c22\u7535\u6781\uff0c\u5373\u4e00\u822c\u6c22\u7535\u6781\uff08Normal Hydrogen Ele&#8230;<\/p>\n","protected":false},"author":2791,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-72084","post","type-post","status-publish","format-standard","hentry","category-ganhuo"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/72084"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/2791"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=72084"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/72084\/revisions"}],"predecessor-version":[{"id":72599,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/72084\/revisions\/72599"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=72084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=72084"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=72084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}