ph试剂的用途 试剂是什么
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ph\u8bd5\u7eb8\u6cd5\u6709\u70b9\u4e8bph\u8bd5\u7eb8\u5f88\u5e38\u89c1\uff0c\u64cd\u4f5c\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u662f\u7cbe\u786e\u5ea6\u4e0d\u591f\uff0c\u6700\u9ad8\u7684\u7cbe\u5bc6ph\u8bd5\u7eb8\u4e5f\u53ea\u80fd\u7cbe\u786e\u52300.2\uff0c\u5e7f\u6cdbph\u8bd5\u7eb8\u53ea\u80fd\u7cbe\u786e\u5230\u6574\u6570\uff0c\u800c\u4e14\u5982\u679c\u6eb6\u6db2\u6709\u6f02\u767d\u6027\u5219\u4e0d\u80fd\u7528ph\u8bd5\u7eb8\u6d4b\u91cf\u3002
ph\u8ba1\u4fa7\u7684\u7ed3\u679c\u6700\u7cbe\u786e\uff0c\u800c\u4e14\u9002\u7528\u8303\u56f4\u5e7f\uff0c\u4f46\u662fph\u8ba1\u4ef7\u683c\u8f83\u9ad8\uff0c\u666e\u53ca\u5ea6\u4e0d\u591f\u3002
\u8bd5\u5242\uff08reagent\uff09\uff0c\u53c8\u79f0\u5316\u5b66\u8bd5\u5242\u6216\u8bd5\u836f\u3002\u4e3b\u8981\u662f\u5b9e\u73b0\u5316\u5b66\u53cd\u5e94\u3001\u5206\u6790\u5316\u9a8c\u3001\u7814\u7a76\u8bd5\u9a8c\u3001\u6559\u5b66\u5b9e\u9a8c\u3001\u5316\u5b66\u914d\u65b9\u4f7f\u7528\u7684\u7eaf\u51c0\u5316\u5b66\u54c1\u3002\u4e00\u822c\u6309\u7528\u9014\u5206\u4e3a\u901a\u7528\u8bd5\u5242\u3001\u9ad8\u7eaf\u8bd5\u5242\u3001\u5206\u6790\u8bd5\u5242\u3001\u4eea\u5668\u5206\u6790\u8bd5\u5242\u3001\u4e34\u5e8a\u8bca\u65ad\u8bd5\u5242\u3001\u751f\u5316\u8bd5\u5242\u3001\u65e0\u673a\u79bb\u5b50\u663e\u8272\u5242\u8bd5\u5242\u7b49\u3002
\u8bd5\u5242\u7684\u5e38\u7528\u89c4\u683c
\u56db\u79cd\u5e38\u7528\u89c4\u683c
\u6709\u56db\u79cd\u5e38\u7528\u89c4\u683c\uff1a
\u4f18\u7ea7\u7eaf\u6216\u4e00\u7ea7\u54c1\uff08GR\uff0c\u7cbe\u5bc6\u5206\u6790\u548c\u79d1\u5b66\u7814\u7a76\u5de5\u4f5c\uff09\uff1b
\u5206\u6790\u7eaf\u6216\u4e8c\u7ea7\u54c1\uff08AR\uff0c\u91cd\u8981\u5206\u6790\u548c\u4e00\u822c\u7814\u7a76\u5de5\u4f5c\uff09\uff1b
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\u5b9e\u9a8c\u8bd5\u5242(L.P.)\u3002
\u57fa\u51c6\u8bd5\u5242\u542b\u91cf\u5e94\u8be5\u662f99.9%\uff5e100%\u3002\u968f\u7740\u79d1\u5b66\u6280\u672f\u548c\u65b0\u5174\u5de5\u4e1a\u7684\u53d1\u5c55\uff0c\u5bf9\u5316\u5b66\u8bd5\u5242\u7684\u7eaf\u5ea6\u3001\u51c0\u5ea6\u4ee5\u53ca\u7cbe\u5bc6\u5ea6\u8981\u6c42\u6108\u52a0\u4e25\u683c\u548c\u4e13\u95e8\u5316\u3002
\u5728\u5206\u6790\u5316\u5b66\u4e2d\u5e94\u7528\u6781\u4e3a\u5e7f\u6cdb\u3002\u8bd5\u5242\u7684\u54c1\u7ea7\u4e0e\u89c4\u683c\u5e94\u6839\u636e\u5177\u4f53\u8981\u6c42\u548c\u4f7f\u7528\u60c5\u51b5\u52a0\u4ee5\u9009\u62e9 \u3002\u5b9a\u7ea7\u7684\u6839\u636e\u662f\u8bd5\u5242\u7684\u7eaf\u5ea6\uff08\u5373\u542b\u91cf\uff09\u3001\u6742\u8d28\u542b\u91cf \u3001\u63d0\u7eaf\u7684\u96be\u6613\uff0c\u4ee5\u53ca\u5404\u9879\u7269\u7406\u6027\u8d28\u3002\u6709\u65f6\u4e5f\u6839\u636e\u7528\u9014\u6765\u5b9a\u7ea7 \uff0c\u4f8b\u5982\u5149\u8c31\u7eaf\u8bd5\u5242\u3001\u8272\u8c31\u7eaf\u8bd5\u5242\uff0c\u4ee5\u53capH\u6807\u51c6\u8bd5\u5242\u7b49\u7b49\u3002
\u8bd5\u5242\u7684\u6210\u5206
\u4e3a\u5b9e\u73b0\u5316\u5b66\u53cd\u5e94\u800c\u4f7f\u7528\u7684\u5316\u5b66\u836f\u54c1\u3002\u5728\u5206\u6790\u5316\u5b66\u4e2d\u5e94\u7528\u6781\u4e3a\u5e7f\u6cdb\u3002\u8bd5\u5242\u7684\u54c1\u7ea7\u4e0e\u89c4\u683c\u5e94\u6839\u636e\u5177\u4f53\u8981\u6c42\u548c\u4f7f\u7528\u60c5\u51b5\u52a0\u4ee5\u9009\u62e9 \u3002\u5728\u4e2d\u56fd\u56fd\u5bb6\u6807\u51c6\uff08GB\uff09\u4e2d \uff0c\u5c06\u4e00\u822c\u8bd5\u5242\u5212\u5206\u4e3a3\u4e2a\u7b49\u7ea7\uff1a\u4e00\u7ea7\u8bd5\u5242\u4e3a\u4f18\u7ea7\u7eaf\uff0c\u4e8c\u7ea7\u8bd5\u5242\u4e3a\u5206\u6790\u7eaf\uff0c\u4e09\u7ea7\u8bd5\u5242\u4e3a\u5316\u5b66\u7eaf\u3002\u5b9a\u7ea7\u7684\u6839\u636e\u662f\u8bd5\u5242\u7684\u7eaf\u5ea6\uff08\u5373\u542b\u91cf\uff09\u3001\u6742\u8d28\u542b\u91cf \u3001\u63d0\u7eaf\u7684\u96be\u6613\uff0c\u4ee5\u53ca\u5404\u9879\u7269\u7406\u6027\u8d28\u3002\u6709\u65f6\u4e5f\u6839\u636e\u7528\u9014\u6765\u5b9a\u7ea7 \uff0c\u4f8b\u5982\u5149\u8c31\u7eaf\u8bd5\u5242\u3001\u8272\u8c31\u7eaf\u8bd5\u5242\uff0c\u4ee5\u53capH\u6807\u51c6\u8bd5\u5242\u7b49\u7b49\u3002
\u8bd5\u5242\u7684\u5206\u7c7b
\u65e0\u673a\u5206\u6790\u8bd5\u5242
\u65e0\u673a\u5206\u6790\u8bd5\u5242\uff08Inorganic analytical reagent\uff09\u662f\u7528\u4e8e\u5316\u5b66\u5206\u6790\u7684\u5e38\u7528\u7684\u65e0\u673a\u5316\u5b66\u7269\u54c1\u3002\u5176\u7eaf\u5ea6\u6bd4\u5de5\u4e1a\u54c1\u9ad8\uff0c\u6742\u8d28\u5c11\u3002[1]
\u6709\u673a\u5206\u6790\u8bd5\u5242
\u8bd5\u5242\u6709\u673a\u5206\u6790\u8bd5\u5242\uff08Organic reagents for inorganic analysis\uff09\u662f\u5728\u65e0\u673a\u7269\u5206\u6790\u4e2d\u4f9b\u5143\u7d20\u7684\u6d4b\u5b9a\u3001\u5206\u79bb\u3001\u5bcc\u96c6\u7528\u7684\u6c89\u6dc0\u5242\u3001\u8403\u53d6\u5242\u3001\u87af\u5408\u5242\u4ee5\u53ca\u6307\u793a\u5242\u7b49\u4e13\u7528\u7684\u6709\u673a\u5316\u5408\u7269\uff0c\u800c\u4e0d\u662f\u6307\u4e00\u822c\u7684\u6eb6\u5242\u3001\u6709\u673a\u9178\u548c\u6709 \u673a\u78b1\u7b49\u3002\u8fd9\u4e9b\u6709\u673a\u8bd5\u5242\u5fc5\u987b\u8981\u5177\u6709\u8f83\u597d\u7684\u7075\u654f\u5ea6\u548c\u9009\u62e9\u6027\u3002\u968f\u7740\u5206\u6790\u5316\u5b66\u548c\u5316\u5b66\u5de5\u4e1a\u7684\u53d1\u5c55\uff0c\u5c06\u4f1a\u7814\u5236\u51fa\u7075\u654f\u5ea6\u548c\u9009\u62e9\u6027\u66f4\u597d\u7684\u8fd9\u7c7b\u8bd5\u5242\uff0c\u59821967\u5e74\u4ee5\u6765\u51fa\u73b0\u7684 \u5bf9\u4e00\u4e9b\u91d1\u5c5e\uff08\u5982\u78b1\u91d1\u5c5e\u3001\u78b1\u571f\u91d1\u5c5e\uff09\u53ca\u94f5\u79bb\u5b50\u5177\u6709\u7edc\u5408\u80fd\u529b\u7684\u51a0\u919a\uff08Crown ether\uff09\u7c7b\u5316\u5408\u7269\u5c31\u662f\u8fd9\u6837\u3002
\u57fa\u51c6\u8bd5\u5242
\u57fa\u51c6\u8bd5\u5242\uff08Primary standards\uff09\u662f\u7eaf\u5ea6\u9ad8\u3001\u6742\u8d28\u5c11\u3001\u7a33\u5b9a\u6027\u597d\u3001\u5316\u5b66\u7ec4\u5206\u6052\u5b9a\u7684\u5316\u5408\u7269\u3002\u5728\u57fa\u51c6\u8bd5\u5242\u4e2d\u6709\u5bb9\u91cf\u5206\u6790\u3001pH\u6d4b\u5b9a\u3001\u70ed\u503c\u6d4b\u5b9a\u7b49\u7b49\u5206\u7c7b\u3002\u6bcf\u4e00\u5206\u7c7b\u4e2d\u5747\u6709\u7b2c\u4e00\u57fa\u51c6 \u548c\u5de5\u4f5c\u57fa\u51c6\u4e4b\u5206\u3002\u51e1\u7b2c\u4e00\u57fa\u51c6\u90fd\u5fc5\u987b\u7531\u56fd\u5bb6\u8ba1\u91cf\u79d1\u5b66\u9662\u68c0\u5b9a\uff0c\u751f\u4ea7\u5355\u4f4d\u5219\u5229\u7528\u7b2c\u4e00\u57fa\u51c6\u4f5c\u4e3a\u5de5\u4f5c\u57fa\u51c6\u4ea7\u54c1\u7684\u6d4b\u5b9a\u6807\u51c6\u3002\u76ee\u524d\uff0c\u5546\u4e1a\u7ecf\u8425\u7684\u57fa\u51c6\u8bd5\u5242\u4e3b\u8981\u662f\u6307\u5bb9\u91cf\u5206\u6790 \u7c7b\u4e2d\u7684\u5bb9\u91cf\u5206\u6790\u5de5\u4f5c\u57fa\u51c6[\u542b\u91cf\u8303\u56f4\u4e3a99.95%~100.05%\uff08\u91cd\u91cf\u6ef4\u5b9a\uff09]\u3002\u4e00\u822c\u7528\u4e8e\u6807\u5b9a\u6ef4\u5b9a\u6db2\u3002
\u6807\u51c6\u7269\u8d28
\u6807\u51c6\u7269\u8d28\uff08Standard substance\uff09\u662f\u7528\u4e8e\u5316\u5b66\u5206\u6790\u3001\u4eea\u5668\u5206\u6790\u4e2d\u4f5c\u5bf9\u6bd4\u7684\u5316\u5b66\u7269\u54c1\uff0c\u6216\u662f\u7528\u4e8e\u6821\u51c6\u4eea\u5668\u7684\u5316\u5b66\u54c1\u3002\u5176\u5316\u5b66\u7ec4\u5206\u3001\u542b\u91cf\u3001\u7406\u5316\u6027\u8d28\u53ca\u6240\u542b\u6742\u8d28\u5fc5\u987b\u5df2\u77e5\uff0c\u5e76\u7b26\u5408\u89c4 \u5b9a\u6216\u5f97\u516c\u8ba4\u3002\u5fae\u91cf\u5206\u6790\u8bd5\u5242\u5fae\u91cf\u5206\u6790\u8bd5\u5242\uff08Micro-analytical reagent\uff09\u9002\u7528\u4e8e\u88ab\u6d4b\u5b9a\u7269\u8d28\u7684\u8bb8\u53ef\u91cf\u4ec5\u4e3a\u5e38\u91cf\u767e\u5206\u4e4b\u4e00\uff08\u91cd\u91cf\u7ea6\u4e3a1~15\u6beb\u514b\uff0c\u4f53\u79ef\u7ea6\u4e3a0.01~2\u6beb\u5347\uff09\u7684\u5fae\u91cf\u5206\u6790\u7528\u7684\u8bd5\u5242\u3002
\u6709\u673a\u5206\u6790\u6807\u51c6\u54c1
\u6709\u673a\u5206\u6790\u6807\u51c6\u54c1\uff08Organic analytical standards\uff09\u662f\u6d4b\u5b9a\u6709\u673a\u5316\u5408\u7269\u7684\u7ec4\u5206\u548c\u7ed3\u6784\u65f6\u7528\u4f5c\u5bf9\u6bd4\u7684\u5316\u5b66\u8bd5\u5242\u3002\u5176\u7ec4\u5206\u5fc5\u987b\u7cbe\u786e\u5df2\u77e5\u3002\u4e5f\u53ef\u7528\u4e8e\u5fae\u91cf\u5206\u6790\u3002
\u519c\u836f\u5206\u6790\u6807\u51c6\u54c1
\u519c\u836f\u5206\u6790\u6807\u51c6\u54c1\uff08Pesticide analytical standards\uff09\u9002\u7528\u4e8e\u6c14\u76f8\u8272\u8c31\u6cd5\u5206\u6790\u519c\u836f\u6216\u6d4b\u5b9a\u519c\u836f\u6b8b\u7559\u91cf\u65f6\u4f5c\u5bf9\u6bd4\u7269\u54c1\u3002\u5176\u542b\u91cf\u8981\u6c42\u7cbe\u786e\u3002\u6709\u7531\u5fae\u91cf\u5355\u4e00\u519c\u836f\u914d\u5236\u7684\u6eb6\u6db2\uff0c\u4e5f\u6709\u591a\u79cd\u519c\u836f\u914d\u5236\u7684\u6df7\u5408\u6eb6\u6db2\u3002
\u6298\u5149\u7387\u6db2
\u6298\u5149\u7387\u6db2\uff08Refractive index liquid\uff09\u4e3a\u5df2\u77e5\u5176\u6298\u5149\u7387\u7684\u9ad8\u7eaf\u5ea6\u7684\u7a33\u5b9a\u6db2\u4f53\uff0c\u7528\u4ee5\u6d4b\u5b9a\u6676\u4f53\u7269\u8d28\u548c\u77ff\u7269\u7684\u6298\u5149\u7387\u3002\u5728\u6bcf\u4e2a\u5305\u88c5\u7684\u5916\u9762\u90fd\u6807\u660e\u4e86\u5176\u6298\u5149\u7387\u3002
\u5f53\u91cf\u6eb6\u6db2
\u5f53\u91cf\u6eb6\u6db2\uff08Normal solution\uff09\u4e3a\u4e00\u5347\u6eb6\u6db2\u4e2d\u542b\u6709\u4e00\u514b\u5f53\u91cf\u6eb6\u8d28\u7684\u6c34\u6eb6\u6db2\uff0c\u5373\u6307\u6d53\u5ea6\u662f1N\u7684\u6eb6\u6db2\u3002 \u6307\u793a\u5242 \u6307\u793a\u5242\uff08Indicator\uff09\u662f\u80fd\u7531\u67d0\u4e9b\u7269\u8d28\u5b58\u5728\u7684\u5f71\u54cd\u800c\u6539\u53d8\u81ea\u5df1\u989c\u8272\u7684\u7269\u8d28\u3002\u4e3b\u8981\u7528\u4e8e\u5bb9\u91cf\u5206\u6790\u4e2d\u6307\u793a\u6ef4\u5b9a\u7684\u7ec8\u70b9\u3002\u4e00\u822c\u53ef\u5206\u4e3a\u9178\u78b1\u6307\u793a\u5242\u3001\u6c27\u5316\u8fd8\u539f\u6307\u793a \u5242\u3001\u5438\u9644\u6307\u793a\u5242\u7b49\u3002\u6307\u793a\u5242\u9664\u5206\u6790\u5916\uff0c\u4e5f\u53ef\u7528\u6765\u68c0\u9a8c\u6c14\u4f53\u6216\u6eb6\u6db2\u4e2d\u67d0\u4e9b\u6709\u5bb3\u6709\u6bd2\u7269\u8d28\u7684\u5b58\u5728\u3002
\u8bd5\u7eb8
\u8bd5\u7eb8\uff08Test paper\uff09\u662f\u6d78\u8fc7\u6307\u793a\u5242\u6216\u8bd5\u5242\u6eb6\u6db2\u7684\u5c0f\u5e72\u7eb8\u7247\uff0c\u7528\u4ee5\u68c0\u9a8c\u6eb6\u6db2\u4e2d\u67d0\u79cd\u5316\u5408\u7269\u3001\u5143\u7d20\u6216\u79bb\u5b50\u7684\u5b58\u5728\uff0c\u4e5f\u6709\u7528\u4e8e\u533b\u7597\u8bca\u65ad\u3002
\u4eea\u5668\u5206\u6790\u8bd5\u5242
\u4eea\u5668\u5206\u6790\u8bd5\u5242\uff08Instrumental analytical reagents\uff09\u662f\u5229\u7528\u6839\u636e\u7269\u7406\u3001\u5316\u5b66\u6216\u7269\u7406\u5316\u5b66\u539f\u7406\u8bbe\u8ba1\u7684\u7279\u6b8a\u4eea\u5668\u8fdb\u884c\u8bd5\u6837\u5206\u6790\u7684\u8fc7\u7a0b\u4e2d\u6240\u7528\u7684\u8bd5\u5242\u3002
\u539f\u5b50\u5438\u6536\u5149\u8c31\u6807\u51c6\u54c1
\u539f\u5b50\u5438\u6536\u5149\u8c31\u6807\u51c6\u54c1\uff08Atomic absorption spectroscopy standards\uff09\u662f\u5728\u5229\u7528\u539f\u5b50\u5438\u6536\u5149\u8c31\u6cd5\u8fdb\u884c\u8bd5\u6837\u5206\u6790\u65f6\u4f5c\u4e3a\u6807\u51c6\u7528\u7684\u8bd5\u5242\u3002
\u8272\u8c31\u7528
\u8272\u8c31\u7528\uff08For chromatography\uff09\u8bd5\u5242\u662f\u6307\u7528\u4e8e\u6c14\u76f8\u8272\u8c31\u3001\u6db2\u76f8\u8272\u8c31\u3001\u6c14\u6db2\u8272\u8c31\u3001\u8584\u5c42\u8272\u8c31\u3001\u67f1\u8272\u8c31\u7b49\u5206\u6790\u6cd5\u4e2d\u7684\u8bd5\u5242\u548c\u6750\u6599\uff0c\u6709\u56fa\u5b9a\u6db2\u3001\u62c5\u4f53\u3001\u6eb6\u5242\u7b49\u3002
\u7535\u5b50\u663e\u5fae\u955c\u7528
\u7535\u5b50\u663e\u5fae\u955c\u7528\uff08For electron microscopy\uff09\u8bd5\u5242\u662f\u5728\u751f\u7269\u5b66\u3001\u533b\u5b66\u7b49\u9886\u57df\u5229\u7528\u7535\u5b50\u663e\u5fae\u955c\u8fdb\u884c\u7814\u7a76\u5de5\u4f5c\u65f6\u6240\u7528\u7684\u56fa\u5b9a\u5242\u3001\u5305\u57cb\u5242\u3001\u67d3\u8272\u5242\u7b49\u7684\u8bd5\u5242\uff0c
\u6838\u78c1\u5171\u632f\u6d4b\u5b9a\u6eb6\u5242
\u6838\u78c1\u5171\u632f\u6d4b\u5b9a\u6eb6\u5242\uff08Solvent for NMR spectroscopy\uff09\u4e3b\u8981\u662f\u6c18\u4ee3\u6eb6\u5242\uff08\u53c8\u79f0\u91cd\u6c22\u8bd5\u5242\u6216\u6c18\u4ee3\u8bd5\u5242\uff09\uff0c\u662f\u5728\u6709\u673a\u6eb6\u5242\u7ed3\u6784\u4e2d\u7684\u6c22\u88ab\u6c18\uff08\u91cd\u6c22\uff09\u6240\u53d6\u4ee3\u4e86\u7684\u6eb6\u5242\u3002\u5728\u6838\u78c1\u5171\u632f\u5206\u6790\u4e2d\uff0c\u6c18\u4ee3\u6eb6\u5242 \u53ef\u4ee5\u4e0d\u663e\u5cf0\uff0c\u5bf9\u6837\u54c1\u4f5c\u6c22\u8c31\u5206\u6790\u4e0d\u4ea7\u751f\u5e72\u6270\u3002
\u6781\u8c31\u7528
\u6781\u8c31\u7528\uff08For polarography\uff09\u8bd5\u5242\u662f\u6307\u5728\u7528\u6781\u8c31\u6cd5\u4f5c\u5b9a\u91cf\u5206\u6790\u548c\u5b9a\u6027\u5206\u6790\u65f6\u6240\u9700\u8981\u7684\u8bd5\u5242\u3002
\u5149\u8c31\u7eaf
\u5149\u8c31\u7eaf\uff08Spectrography\uff09\u8bd5\u5242\u901a\u5e38\u662f\u6307\u7ecf\u53d1\u5c04\u5149\u8c31\u6cd5\u5206\u6790\u8fc7\u7684\u3001\u7eaf\u5ea6\u8f83\u9ad8\u7684\u8bd5\u5242\u3002
\u5206\u5149\u7eaf
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\u751f\u5316\u8bd5\u5242
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\u56fd\u6807\u8bd5\u5242
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\u6559\u5b66\u8bd5\u5242\uff08\uff09\uff1a\u53ef\u4ee5\u6ee1\u8db3\u5b66\u751f\u6559\u5b66\u76ee\u7684\uff0c\u4e0d\u81f3\u4e8e\u9020\u6210\u5316\u5b66\u53cd\u5e94\u73b0\u8c61\u504f\u5dee\u7684\u4e00\u7c7b\u8bd5\u5242\u3002
\u6307\u5b9a\u7ea7 \uff08ZD\uff09\uff0c\u8be5\u7c7b\u8bd5\u5242\u662f\u6309\u7167\u7528\u6237\u8981\u6c42\u7684\u8d28\u91cf\u63a7\u5236\u6307\u6807\uff0c\u4e3a\u7279\u5b9a\u7528\u6237\u8ba2\u505a\u7684\u5316\u5b66\u8bd5\u5242\u3002
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化学离不开溶液，溶液有酸碱之分。检验溶液酸碱度的“尺子”是“广泛pH试纸”，这是一种现成的试纸，使用时，撕下一条，放在表面皿中，用一支干燥的玻璃棒蘸取一滴待测溶液，滴在试纸中部，再根据试纸的颜色变化与标准比色卡比对就可以知道溶液的酸碱性度，十分方便。
下图为PH试纸
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绛旓細鐢ㄦ潵娴嬮吀纰辨х殑
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