{"id":22,"date":"2022-11-26T17:03:51","date_gmt":"2022-11-26T09:03:51","guid":{"rendered":"http:\/\/test.haimeis.com\/?p=22"},"modified":"2024-09-06T22:17:21","modified_gmt":"2024-09-06T14:17:21","slug":"ph%e7%9a%84%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/www.haimeis.com\/?p=22","title":{"rendered":"pH\u7684\u5b9a\u4e49"},"content":{"rendered":"\t\t
pH\uff0c\u4ea6\u79f0 pH\u503c\u3001\u6c22\u79bb\u5b50\u6d53\u5ea6\u6307\u6570\u3001\u9178\u78b1\u503c\uff0c\u662f\u6eb6\u6db2\u4e2d\u6c22\u79bb\u5b50\u6d3b\u5ea6\u7684\u4e00\u79cd\u6807\u5ea6\uff0c\u4e5f\u5c31\u662f\u901a\u5e38\u610f\u4e49\u4e0a\u6eb6\u6db2\u9178\u78b1\u7a0b\u5ea6\u7684\u8861\u91cf\u6807\u51c6\u3002<\/p>
\u8fd9\u4e2a\u6982\u5ff5\u662f1909\u5e74\u7531\u4e39\u9ea6\u751f\u7269\u5316\u5b66\u5bb6\u745f\u4f26\u00b7\u7d22\u4f26\u68ee\u63d0\u51fa\u7684\u3002<\/p>
\u4ed6\u4e8e1868\u5e741\u67089\u65e5\u4e8e\u4e39\u9ea6\uff0c\u4e00\u5f00\u59cb\u5728\u54e5\u672c\u54c8\u6839\u4e3b\u4fee\u533b\u5b66\uff0c\u540e\u8f6c\u4fee\u5316\u5b66\uff0c\u5e76\u57281899\u5e74\u83b7\u5f97\u535a\u58eb\u5b66\u4f4d\u3002\u5728\u745f\u4f26\u62c5\u4efb\u5609\u58eb\u5b9e\u9a8c\u5ba4\u4e3b\u4efb\u671f\u95f4\uff0c\u4ed6\u53d1\u660e\u4e86\u7d22\u4f26\u68ee\u7532\u919b\u6ef4\u5b9a\u6cd5\uff0c1909\u5e74\u4ed6\u53d1\u8868\u8bba\u6587\uff0c\u5f15\u5165\u4e86PH\u503c\u4f5c\u4e3a\u663e\u793a\u79bb\u5b50\u6d53\u5ea6\u5bf9\u86cb\u767d\u8d28\u5f71\u54cd\u7684\u7b80\u5355\u65b9\u6cd5\u3002\u4ed6\u521b\u9020\u7684PH\u503c\u662f\u8861\u91cf\u6eb6\u6db2\u9178\u78b1\u5ea6\u7684\u91cd\u8981\u6807\u5c3a\uff0c\u5728\u519c\u4e1a\u3001\u5316\u5de5\u3001\u533b\u5b66\u7b49\u8bf8\u591a\u9886\u57df\u90fd\u6709\u5e7f\u6cdb\u7528\u9014\u3002<\/p>
\u201cpH\u201d\u4e2d\u7684\u201cH\u201d\u4ee3\u8868\u6c22\u79bb\u5b50\uff08H+\uff09\uff0c\u800c\u201cp\u201d\u7684\u6765\u6e90\u5219\u6709\u51e0\u79cd\u8bf4\u6cd5\u3002
\u7b2c\u4e00\u79cd\u79f0p\u4ee3\u8868\u5fb7\u8bed\u201cpotenz\u201d\uff0c\u610f\u601d\u662f\u529b\u5ea6\u3001\u5f3a\u5ea6\uff1b
\u7b2c\u4e8c\u79cd\u79f0pH\u4ee3\u8868\u62c9\u4e01\u6587\u201cpondus hydrogenii\u201d\uff0c\u5373\u201c\u6c22\u7684\u91cf\u201d\uff1b
\u7b2c\u4e09\u79cd\u8ba4\u4e3ap\u53ea\u662f\u7d22\u4f26\u68ee\u968f\u610f\u9009\u5b9a\u7684\u7b26\u53f7\uff0c\u56e0\u4e3a\u4ed6\u4e5f\u7528\u4e86q\u3002
\u73b0\u4eca\u7684\u5316\u5b66\u754c\u628ap\u52a0\u5728\u65e0\u91cf\u7eb2\u91cf\u524d\u9762\u8868\u793a\u8be5\u91cf\u7684\u8d1f\u5bf9\u6570\u3002<\/p>
\u901a\u5e38\u60c5\u51b5\u4e0b\uff0825\u2103\u3001298.15K\uff09\uff0c\u5f53pH\u5c0f\u4e8e7\u7684\u65f6\u5019\uff0c\u6eb6\u6db2\u5448\u9178\u6027\uff0c\u5f53pH\u5927\u4e8e7\u7684\u65f6\u5019\uff0c\u6eb6\u6db2\u5448\u78b1\u6027\uff0c\u5f53pH\u7b49\u4e8e7\u7684\u65f6\u5019\uff0c\u6eb6\u6db2\u4e3a\u4e2d\u6027\u3002
pH\u5141\u8bb8\u5c0f\u4e8e0\uff0c\u5982\u76d0\u9178\uff0810 mol\/L\uff09\u7684pH\u4e3a\u22121\u3002
\u540c\u6837\uff0cpH\u4e5f\u5141\u8bb8\u5927\u4e8e14\uff0c\u5982\u6c22\u6c27\u5316\u94a0\uff0810 mol\/L\uff09\u7684pH\u4e3a15.00\u3002<\/p>
\u6240\u4ee5\uff0c\u6211\u4eec\u5927\u53ef\u4ee5\u8ba4\u4e3a\uff0cpH\u5c31\u662f\u53cd\u5e94\u6eb6\u6db2\u4e2d\u6c22\u79bb\u5b50\u6d53\u5ea6\u7684\u4e00\u4e2a\u6307\u6807\u3002<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t pH\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b:<\/p> \u5176\u4e2d[H+]\u6307\u7684\u662f\u6eb6\u6db2\u4e2d\u6c22\u79bb\u5b50\u7684\u6d3b\u5ea6\uff08\u6709\u65f6\u4e5f\u88ab\u5199\u4e3a[H3O+]\uff0c\u6c34\u5408\u6c22\u79bb\u5b50\u6d3b\u5ea6\uff09\uff0c\u5355\u4f4d\u4e3a\u83ab\u8033\uff0f\u5347\uff0c\u5728\u7a00\u6eb6\u6db2\u4e2d\uff0c\u6c22\u79bb\u5b50\u6d3b\u5ea6\u7ea6\u7b49\u4e8e\u6c22\u79bb\u5b50\u7684\u6d53\u5ea6\uff0c\u53ef\u4ee5\u7528\u6c22\u79bb\u5b50\u6d53\u5ea6\u6765\u8fdb\u884c\u8fd1\u4f3c\u8ba1\u7b97\u3002<\/p> \u572825\u00b0C\u4e0b\uff0cpH=7\u7684\u6c34\u6eb6\u6db2\uff08\u5982\uff1a\u7eaf\u6c34\uff09\u4e3a\u4e2d\u6027\uff0c\u8fd9\u662f\u56e0\u4e3a\u6c34\u572825\u00b0C\u4e0b\u81ea\u7136\u7535\u79bb\u51fa\u7684\u6c22\u79bb\u5b50\u548c\u6c22\u6c27\u6839\u79bb\u5b50\u6d53\u5ea6\u7684\u4e58\u79ef\uff08\u6c34\u7684\u79bb\u5b50\u79ef\u5e38\u6570\uff09\u59cb\u7ec8\u662f1\u00d710\u221214\uff0c\u4e14\u4e24\u79cd\u79bb\u5b50\u7684\u6d53\u5ea6\u90fd\u662f1\u00d710\u22127mol\/L\u3002pH\u5c0f\u4e8e7\u8bf4\u660eH+\u7684\u6d53\u5ea6\u5927\u4e8eOH\u2212\u7684\u6d53\u5ea6\uff0c\u6545\u6eb6\u6db2\u9178\u6027\u5f3a\uff0c\u800cpH\u5927\u4e8e7\u5219\u8bf4\u660eH+\u7684\u6d53\u5ea6\u5c0f\u4e8eOH\u2212\u7684\u6d53\u5ea6\uff0c\u6545\u6eb6\u6db2\u78b1\u6027\u5f3a\u3002\u6240\u4ee5pH\u6108\u5c0f\uff0c\u6eb6\u6db2\u7684\u9178\u6027\u6108\u5f3a\uff1bpH\u6108\u5927\uff0c\u6eb6\u6db2\u7684\u78b1\u6027\u4e5f\u5c31\u6108\u5f3a\u3002<\/p> \u5728\u975e\u6c34\u6eb6\u6db2\u621625\u00b0C\u7684\u6761\u4ef6\u4e0b\uff0cpH=7\u53ef\u80fd\u5e76\u4e0d\u4ee3\u8868\u6eb6\u6db2\u5448\u4e2d\u6027\uff0c\u8fd9\u9700\u8981\u901a\u8fc7\u8ba1\u7b97\u8be5\u6eb6\u5242\u5728\u8fd9\u79cd\u6761\u4ef6\u4e0b\u7684\u7535\u79bb\u5e38\u6570\u6765\u51b3\u5b9apH\u4e3a\u4e2d\u6027\u7684\u503c\u3002\u5982373K\uff08100\u2103\uff09\u7684\u6e29\u5ea6\u4e0b\uff0c\u6c34\u7684\u79bb\u5b50\u79ef\u5e38\u6570\u4e3a5.5\u00d710\u221213\uff0c\u5373pH\u7ea6\u4e3a6.13\uff0c\u6b64\u65f6\u4e3a\u4e2d\u6027\u6eb6\u6db2\u3002 \u7531\u4e8e\u5b9e\u9645\u4e2d\u7684\u6eb6\u6db2\u4e0d\u662f\u7406\u60f3\u6eb6\u6db2\uff0c\u6240\u4ee5\u4ec5\u4ec5\u7528H+\u6d53\u5ea6\u662f\u4e0d\u53ef\u4ee5\u51c6\u786e\u6d4b\u91cf\u7684\uff0c\u56e0\u6b64\u4e5f\u65e0\u6cd5\u51c6\u786e\u8ba1\u7b97\u5f97\u5230\u6eb6\u6db2\u7684pH\u3002\u6545\u800c\u5e94\u5f53\u91c7\u7528H+\u6d3b\u5ea6\uff0c\u5373\uff1a<\/p> \u8fd9\u6837\u4ece\u7406\u8bba\u4e0a\u8bb2\u53ea\u8981\u77e5\u9053\u6c22\u79bb\u5b50\u7684\u6d3b\u5ea6a(H+)\u5c31\u53ef\u4ee5\u5f97\u5230\u6eb6\u6db2\u7684\u51c6\u786epH\u3002<\/p> \u4e8e\u662f\u4eba\u4eec\u7ed9pH\u4e0b\u4e86\u4e00\u4e2a\u64cd\u4f5c\u5b9a\u4e49\u3002\u5bf9\u4e8e\u6eb6\u6db2X\uff0c\u6d4b\u91cf\u4e0b\u5217\u4f3d\u4f0f\u5c3c\u7535\u6c60(\u4f0f\u6253\u7535\u6c60)\u7684\u7535\u52a8\u52bfEx\uff1a<\/p> \u53c2\u6bd4\u7535\u6781 | KCl\u6d53\u6eb6\u6db2 || \u6eb6\u6db2X | H2<\/sub> | Pt<\/p> \u5c06\u672a\u77e5pH\u7684\u6eb6\u6db2X\u6362\u6210\u5df2\u77e5pH\u7684\u6eb6\u6db2S\uff0c\u540c\u6837\u6d4b\u91cf\u7535\u6c60\u7684\u7535\u52a8\u52bfEs\u3002\u5219\uff1a<\/p> \u5f0f\u4e2dF\u4e3a\u6cd5\u62c9\u7b2c\u5e38\u6570\uff0c R\u4e3a\u6469\u5c14\u6c14\u4f53\u5e38\u6570\uff0c T\u4e3a\u70ed\u529b\u5b66\u6e29\u5ea6\u3002 \u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u6d4b\u5b9a\u672a\u77e5\u6eb6\u6db2\u4e0e\u6807\u51c6\u6eb6\u6db2\u7684\u7535\u52a8\u52bf\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u672a\u77e5\u6eb6\u6db2\u7684pH\u3002<\/p> \u4e3a\u6b64IUPAC\u89c4\u5b9a\u4e86\u4e00\u4e9b\u6807\u51c6\u6eb6\u6db2\u7684pH\u3002<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t \u901a\u8fc7\u4e0a\u6587\u6211\u4eec\u4e86\u89e3\u4e86pH\u7684\u5b9a\u4e49\uff0c\u6765\u81ea\u4e8e100\u591a\u5e74\u524d\u79d1\u5b66\u5bb6\u4eec\u7559\u7ed9\u4eba\u7c7b\u7684\u8d22\u5bcc\u3002<\/p> \u540c\u65f6\u4e5f\u77e5\u9053pH\u4e0e\u4e00\u79cd\u4f0f\u6253\u7535\u6c60\u7684\u7535\u52a8\u52bf\u5177\u6709\u5173\u8054\u6027\uff0c\u8fd9\u6837\u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u4e00\u79cd\u4eea\u8868\uff0c\u6765\u6307\u793a\u6eb6\u6db2\u7684pH\u3002<\/p> \u90a3\u4e48\u8fd8\u6709\u4e00\u4e2a\u5c0f\u95ee\u9898\uff1f\u8868\u793a\u6eb6\u6db2\u9178\u78b1\u6027\u7684\u6307\u6807\uff0c\u4e0b\u9762\u90a3\u79cd\u4e66\u5199\u662f\u6b63\u786e\u7684\u5462\uff1f pH\uff0c\u4ea6\u79f0 pH\u503c\u3001\u6c22\u79bb\u5b50\u6d53\u5ea6\u6307\u6570\u3001\u9178\u78b1\u503c\uff0c\u662f\u6eb6\u6db2\u4e2d\u6c22\u79bb\u5b50\u6d3b\u5ea6\u7684\u4e00\u79cd\u6807\u5ea6\uff0c\u4e5f\u5c31\u662f\u901a\u5e38\u610f\u4e49\u4e0a\u6eb6\u6db2\u9178\u78b1\u7a0b\u5ea6\u7684\u8861\u91cf\u6807 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":null,"ast-featured-img":"","footer-sml-layout":null,"theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[42],"tags":[],"table_tags":[],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry","category-ph"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"haimeis","author_link":"https:\/\/www.haimeis.com\/?author=2"},"uagb_comment_info":56,"uagb_excerpt":"pH\uff0c\u4ea6\u79f0 pH\u503c\u3001\u6c22\u79bb\u5b50\u6d53\u5ea6\u6307\u6570\u3001\u9178\u78b1\u503c\uff0c\u662f\u6eb6\u6db2\u4e2d\u6c22\u79bb\u5b50\u6d3b\u5ea6\u7684\u4e00\u79cd\u6807\u5ea6\uff0c\u4e5f\u5c31\u662f\u901a\u5e38\u610f\u4e49\u4e0a\u6eb6\u6db2\u9178\u78b1\u7a0b\u5ea6\u7684\u8861\u91cf\u6807…","_links":{"self":[{"href":"https:\/\/www.haimeis.com\/index.php?rest_route=\/wp\/v2\/posts\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.haimeis.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.haimeis.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22"}],"version-history":[{"count":47,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions"}],"predecessor-version":[{"id":2883,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions\/2883"}],"wp:attachment":[{"href":"https:\/\/www.haimeis.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.haimeis.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftable_tags&post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<\/p>
<\/p>
<\/p>
A:PH
B:ph
C:Ph
D:pH<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"