{"id":3101,"date":"2022-05-16T07:33:33","date_gmt":"2022-05-15T23:33:33","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=3101"},"modified":"2024-08-05T09:22:25","modified_gmt":"2024-08-05T01:22:25","slug":"gb-t-20042-4-2009%e8%8b%b1%e6%96%87%e7%89%88-%e8%b4%a8%e5%ad%90%e4%ba%a4%e6%8d%a2%e8%86%9c%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0-%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e7%94%b5%e5%82%ac%e5%8c%96%e5%89%82","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=3101","title":{"rendered":"GB\/T 20042.4-2009\u82f1\u6587\u7248\u7ffb\u8bd1 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u7535\u50ac\u5316\u5242\u6d4b\u8bd5\u65b9\u6cd5"},"content":{"rendered":"

ChinaAutoRegs|GB\/T 20042.4-2009 \u82f1\u6587\u7248 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60 \u7b2c4\u90e8\u5206\uff1a\u7535\u50ac\u5316\u5242\u6d4b\u8bd5\u65b9\u6cd5
\nProton Exchange Membrane Fuel Cell – Part 4: Test Method for Electrocatalysts<\/p>\n

<\/p>\n

CONTENTS<\/p>\n

Foreword
\n1 Scope
\n2 Normative References
\n3 Terms and Definitions
\n4 Platinum Content Test
\n5 Electrochemical Active Area (ECA) Test
\n6 Specific Surface Area, Pore Volume and Pore Size Distribution Test
\n7 Morphology and Particle Size Distribution Test
\n8 Crystal Structure Test
\n9 Bulk Density Test
\n10 Single-Cell Polarization Curve Test
\nAnnex A (Informative) Test Preparation<\/p>\n

1 \u8303\u56f4<\/p>\n

GB\/T 20042 \u7684\u672c\u90e8\u5206\u89c4\u5b9a\u4e86\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u7535\u50ac\u5316\u5242\u6d4b\u8bd5\u65b9\u6cd5\u7684\u672f\u8bed\u548c\u5b9a\u4e49 \u3001\u94c5\u542b\u91cf\u6d4b\u8bd5 \u3001 \u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef\u6d4b\u8bd5 \u3001\u6bd4\u8868\u9762\u79ef\u3001\u5b54\u5bb9 \u3001\u5b54\u5f84\u5206\u5e03\u6d4b\u8bd5 \u3001\u5f62\u8c8c\u53ca\u7c92\u5f84\u5206\u5e03\u6d4b\u8bd5 \u3001\u6676\u4f53\u7ed3\u6784\u6d4b\u8bd5 \u3001\u50ac\u5316\u5242\u5806\u5bc6 \u5ea6\u6d4b\u8bd5\u4ee5\u53ca\u5355\u7535\u6c60\u6781\u5316\u66f2\u7ebf\u6d4b\u8bd5\u7b49 \u3002
\n\u672c\u90e8\u5206\u9002\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\u94c5\u57fa\uff08 Pt \u57fa\u3009\u7535\u50ac\u5316\u5242 \u3002<\/p>\n

2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6<\/p>\n

\u4e0b\u5217\u6587\u4ef6\u4e2d\u7684\u6761\u6b3e\u901a\u8fc7 GB\/T 20042 \u7684\u672c\u90e8\u5206\u7684\u5f15\u7528\u800c\u6210\u4e3a\u672c\u90e8\u5206\u7684\u6761\u6b3e \u3002\u51e1\u662f\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587 \u4ef6\uff0c\u5176\u968f\u540e\u6240\u6709\u7684\u4fee\u6539\u5355\uff08\u4e0d\u5305\u62ec\u52d8\u8bef\u7684\u5185\u5bb9\uff09\u6216\u4fee\u8ba2\u7248\u5747\u4e0d\u9002\u7528\u4e8e\u672c\u90e8\u5206 \uff0c\u7136\u800c \uff0c\u9f13\u52b1\u6839\u636e\u672c\u90e8\u5206\u8fbe\u6210 \u534f\u8bae\u7684\u5404\u65b9\u7814\u7a76\u662f\u5426\u53ef\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u7684\u6700\u65b0\u7248\u672c \u3002\u51e1\u662f\u4e0d\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6 \uff0c\u5176\u6700\u65b0\u7248\u672c\u9002\u7528\u4e8e\u672c \u90e8\u5206\u3002
\nGB\/T 5816-1995 \u50ac\u5316\u5242\u548c\u5438\u9644\u5242\u8868\u9762\u79ef\u6d4b\u5b9a\u6cd5
\nGB\/T 13566-1992 \u80a5\u6599 \u5806\u5bc6\u5ea6\u7684\u6d4b\u5b9a\u65b9\u6cd5 (ISO 3944 :1980 , EQV)
\nGB\/T 15072. 7-2008 \u8d35\u91d1\u5c5e\u5408\u91d1\u5316\u5b66\u5206\u6790\u65b9\u6cd5 \u91d1\u5408\u91d1\u4e2d\u94c5\u548c\u94c1\u91cf\u7684\u6d4b\u5b9a \u7535\u611f\u8026\u5408\u7b49\u79bb\u5b50\u4f53\u539f\u5b50\u53d1\u5c04\u5149\u8c31\u6cd5
\nGB\/T 20042. 1 \u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60 \u672f\u8bed<\/p>\n

3 \u672f\u8bed\u548c\u5b9a\u4e49<\/p>\n

GB\/T 20042. 1 \u786e\u7acb\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u90e8\u5206 \u3002
\n\u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef
\nelectrochemical active area
\n\u7535\u5316\u5b66\u65b9\u6cd5\u6d4b\u5f97\u7684\u50ac\u5316\u5242\u7684\u6709\u6548\u6d3b\u6027\u6bd4\u8868\u9762\u79ef \uff0c\u5355\u4f4d\u4e3a mz \/g.
\n\u6ce8 \uff1a\u8868\u793a\u50ac\u5316\u5242\u53c2\u52a0\u7535\u5316\u5b66\u53cd\u5e94\u7684\u6d3b\u6027\u4f4d\u7684\u591a\u5c11\uff0e<\/p>\n

4 \u94c2\u542b\u91cf\u6d4b\u8bd5<\/p>\n

4. 1 \u70ed\u91cd\u6cd5\u6d4b\u8bd5\u94c0\u542b\u91cf
\n4. 1. 1 \u9002\u7528\u8303\u56f4
\n\u6b64\u65b9\u6cd5\u4ec5\u9002\u7528\u4e8e Pt \u62c5\u8f7d\u91cf\u9ad8\u4e8e 20 % \u7684 Pt\/C \u50ac\u5316\u5242\u4e2d Pt \u542b\u91cf\u7684\u6d4b\u8bd5 \u3002
\n4. 1. 2 \u4f7f\u7528\u4eea\u5668 \u70ed\u91cd\u5206\u6790\u4eea\uff08 TGA \uff09 \u3002
\n4. 1. 3 \u6837\u6676\u51c6\u5907
\n4. 1. 3. 1 \u79f0\u53d6\u9002\u91cf\u50ac\u5316\u5242\u6837\u54c1\uff0c\u8d28\u91cf\u5e94\u6ee1\u8db3 3 \u6b21\u6709\u6548\u8bd5\u9a8c\u7684\u8981\u6c42 \u3002
\n4. 1. 3. 2 \u6d4b\u8bd5\u6837\u54c1\u5e94\u7f6e\u4e8e\u771f\u7a7a\u70d8\u7bb1\u4e2d\u4e8e 80 \u2103\u5e72\u71e5 12 h\u3002
\n4. 1. 4 \u6d4b\u8bd5\u8fc7\u7a0b
\n4. 1. 4. 1 \u79f0\u53d6\u9002\u91cf\u6837\u54c1\u7f6e\u4e8e\u70ed\u91cd\u5206\u6790\u4eea\u7684\u6d4b\u8bd5\u589e\u6350\u4e2d \uff0c\u79f0\u91cd\u540e\u4ee5\u7a7a\u6c14\u6216\u8005\u7a7a\u6c14\u548c\u60f0\u6027\u6c14\u4f53\u6309\u4e00\u5b9a\u6bd4\u4f8b\u7ec4\u6210\u7684\u6df7\u5408\u6c14\u4f5c\u4e3a\u5de5\u4f5c\u6c14\u4f53\uff0c\u63a7\u5236\u6c14\u4f53\u6d41\u901f\u4e3a 50 mL\/min\uff0c\u5c06\u6837\u54c1\u81ea\u5ba4\u6e29\u7a0b\u5e8f\u5347\u6e29\u81f3\u7ec8\u70b9\u6e29\u5ea6 800 \u2103\uff0c \u5347\u6e29\u901f\u5ea6\u4e3a 2 \u2103\uff0fmino
\n\u6ce8 g \u6c14\u4f53\u7684\u6d41\u901f \u3001\u5347\u6e29\u901f\u5ea6\u4ee5\u53ca\u8bd5\u9a8c\u7684\u7ec8\u70b9\u6e29\u5ea6 \uff0c\u4e5f\u53ef\u6839\u636e\u4e0d\u540c\u50ac\u5316\u5242\u7684\u6027\u8d28 \uff0c\u7531\u9001\u6837\u65b9\u548c\u6d4b\u8bd5\u65b9\u534f\u5546\u786e\u5b9a \u3002
\n4. 1. 4. 2 \u5f85\u6837\u54c1\u6052\u91cd\u540e\uff0c\u8bb0\u5f55\u6837\u54c1\u6e29\u5ea6 \u91cd\u91cf\u66f2\u7ebf \u3002
\n4. 1. 5 \u6570\u636e\u5904\u7406
\n\u6309\u7167\u516c\u5f0f (1\uff09 \u8ba1\u7b97 Pt \u62c5\u8f7d\u91cf \uff1a<\/p>\n

L\u4e00 Pt \u62c5\u8f7d\u91cf\uff0c\u5355\u4f4d\u4e3a % \uff1b
\nw\uff0c\u4e00\u4e00\u7ec8\u70b9\u6e29\u5ea6\u6837\u54c1\u7684\u8d28\u91cf\uff0c\u5355\u4f4d\u4e3a\u6beb\u514b\uff08 mg) ;
\nWo\u4e00\u4e00\u6837\u54c1\u7684\u539f\u59cb\u8d28\u91cf\uff0c\u5355\u4f4d\u4e3a\u6beb\u514b\uff08 mg\uff09 \u3002
\n\u53d6 3 \u4e2a\u6837\u54c1\u4e3a\u4e00\u7ec4 \uff0c\u8ba1\u7b97\u51fa\u5e73\u5747\u503c\u4f5c\u4e3a\u8bd5\u9a8c\u7ed3\u679c \u3002
\n4. 2 ICP\uff08\u7535\u611f\u8026\u5408\u7b49\u79bb\u5b50\u4f53\u5149\u8c31\uff09\u6cd5\u5230\u8bd5 Pt\u542b\u91cf
\n\u53c2\u7167 GB\/T 15072. 7\u4e002008 \u4e2d\u7684\u65b9\u6cd5\u8fdb\u884c\u6d4b\u8bd5 \u3002
\n4. 2. 1 \u9002\u7528\u8303\u56f4
\n\u6b64\u65b9\u6cd5\u9002\u7528\u4e8e Pt\/C \u50ac\u5316\u5242\u4ee5\u53ca Pt \u5408\u91d1\u50ac\u5316\u5242\u4e2d Pt \u542b\u91cf\u7684\u6d4b\u8bd5 \u3002
\n4. 2. 2 \u6d4b\u8bd5\u4eea\u5668\u548c\u8bbe\u5907
\n4. 2. 2. 1 \u79bb\u5b50\u85d5\u5408\u53d1\u5c04\u5149\u8c31 (ICP\uff09\uff1a\u6700\u4f4e\u68c0\u6d4b\u9650\u03b61 \u00b5g\/L\u3002
\n4. 2. 2. 2 \u5206\u6790\u5929\u5e73 \uff1a\u7cbe\u5ea6\u4e3a 0. 1 mgo
\n4. 2. 2. 3 \u5361\u5c3a \uff1a\u6d4b\u91cf\u7cbe\u5ea6\u4e3a o. 01 mmo
\n4. 2. 3 \u6837\u54c1\u5236\u5907 \u6837\u54c1\u8d28\u91cf\u4e0d\u5c11\u4e8e 2 g o
\n\u5c06\u6837\u54c1\u7f6e\u4e8e\u771f\u7a7a\u70d8\u7bb1\u4e2d\u4e8e 80 \u2103\u5e72\u71e5 12 h\u3002
\n4. 2. 4 \u8bd5\u5242\u548c\u6750\u6599
\n4. 2. 4. 1 \u6d53\u786b\u9178\uff0898 %\uff09\uff0c\u4f18\u7ea7\u7eaf \u3002
\n4. 2. 4. 2 \u6d53\u76d0\u9178\uff0837 % \uff09\uff0c\u4f18\u7ea7\u7eaf \u3002
\n4. 2. 4. 3 \u6d53\u785d\u9178\uff08 68 %\uff09\uff0c\u4f18\u7ea7\u7eaf \u3002
\n4. 2. 4. 4 \u4e8c\u6b21\u84b8\u9522\u6c34\uff0c\u7535\u963b\u7387\u6ce818. 2 M.O. \u3002cm \u3002
\n4. 2. 4. 5 30 % \u53cc\u6c27\u6c34\uff0c\u5206\u6790\u7eaf \u3002
\n4. 2. 4. 6 \u5177\u76d6\u521a\u7389\u589e\u584c \u3002
\n4. 2. 5 \u751c\u8bd5\u65b9\u6cd5
\n4. 2. 5. 1 \u6837\u54c1\u6c27\u5316\u7070\u5316 \u3002\u5c06\u88c5\u6709\u6837\u54c1\u7684\u5177\u76d6\u589e\u584c\u653e\u5165\u9a6c\u5f17\u7089 \uff0c\u5148\u5728 400 \u2103 500 \u2103\u7684\u7a7a\u6c14\u6c1b\u56f4\u4e2d\u6c27\u5316\u78b3\u5316 6 h \uff0c\u518d\u5347\u6e29\u81f3 900 \u2103 950 \u2103\u8fdb\u884c\u6c27\u5316\u7070\u5316 12 h \u540e\uff0c\u51b7\u5374\u5230\u5ba4\u6e29 \u3002
\n4. 2. 5. 2 \u6837\u54c1\u785d\u5316 \u3002\u5c06\u6837\u54c1\u653e\u5165\u5177\u76d6\u521a\u7389\u5e26\u584c\u4e2d\uff0c\u7528\u4e8c\u6b21\u84b8\u951a\u6c34\u6da6\u6e7f \u3002\u7136\u540e\u6cbf\u873b\u584c\u58c1\u5411\u6837\u54c1\u7f13\u6162\u52a0\u51656 mL 12 mL \u6d53\u786b\u9178\u548c\u6d53\u785d\u9178\u6df7\u5408\u6db2 \u3002\u5176\u4e2d\uff0c\u6d53\u786b\u9178\u4e0e\u6d53\u785d\u9178\u4f53\u79ef\u6bd4\u4e3a 1 : 3\u3002\u572880 \u2103\u5bf9\u6837\u54c1\u52a0\u70ed\u785d\u5316\uff0c\u5f53\u9178\u4f53\u79ef\u6d53\u7f29\u5230\u4e00\u534a\u540e\uff0c\u518d\u52a0\u5165\u9002\u91cf\u7684\u6d53\u786b\u9178\u548c\u6d53\u785d\u9178\u548c 0. 2 mL 0. 3 mL \u7684 30 % \u7684\u53cc\u6c27\u6c34\uff0c\u5c06\u5176 \u52a0\u70ed\u81f3 80 \u2103\u7ee7\u7eed\u785d\u5316\uff0c\u5982\u6b64\u5faa\u73af\u5f80\u590d\uff0c\u76f4\u81f3\u6eb6\u6db2\u63a5\u8fd1\u900f\u660e\uff0c\u6ca1\u6709\u60ac\u9700\u7269\u4e3a\u6b62 \u3002
\n4. 2. 5. 3 \u6837\u54c1\u6995\u89e3 \u3002\u6837\u54c1\u514b\u5206\u785d\u5316\u540e\uff0c\u6cbf\u589e\u584c\u58c1\u52a0\u5165\u9002\u91cf\u65b0\u914d\u5236\u7684\u738b\u6c34 \uff0c80 \u2103\u52a0\u70ed\u76f4\u5230\u6837\u54c1\u6eb6\u6db2\u5b8c\u5168\u6f84\u6e05\u900f\u660e\u4e3a\u6b62 \u3002
\n4. 2. 5. 4 \u6d4b\u8bd5\u6837\u914d\u5236 \u3002\u5c06\u4e0a\u8ff0\u6837\u54c1\u5168\u90e8\u8f6c\u79fb\u81f3\u9002\u91cf\u5bb9\u79ef\u7684\u5bb9\u91cf\u74f6\u4e2d\uff0c\u7528\u4e8c\u6b21\u84b8\u9986\u6c34\u5b9a\u5bb9\u4f5c\u4e3a\u6d4b\u8bd5\u6837\u7684 \u521d\u59cb\u4f53\u79ef\uff0c\u6d4b\u8bd5\u65f6\u53d6\u9002\u91cf\u8be5\u6eb6\u6db2\u6309\u4e00\u5b9a\u6bd4\u4f8b\u7a00\u91ca\u5230\u6d4b\u8bd5\u9700\u8981\u7684\u6d53\u5ea6 \u3002
\n4. 2. 6 \u6807\u51c6\u66f2\u7ebf\u7684\u7ed8\u5236
\n\u4f7f\u7528 ICP \u5bf9 Pt \u6807\u51c6\u6eb6\u6db2\u4ee5\u53ca\u5408\u91d1\u50ac\u5316\u5242\u4e2d\u5408\u91d1\u91d1\u5c5e M \u7684\u6807\u51c6\u6eb6\u6db2\u8fdb\u884c\u5149\u8c31\u5206\u6790 \uff0c\u7ed8\u5236 Pt \u548c\u91d1\u5c5eM \u7684\u6807\u51c6\u66f2\u7ebf\u3002
\n4. 2. 7 \u6d4b\u8bd5\u6837\u4e2d Pt \u6d53\u5ea6\u5206\u6790
\n\u4f7f\u7528 ICP \u5bf9\u6d4b\u8bd5\u6837\u54c1\u8fdb\u884c\u5149\u8c31\u5206\u6790\uff0c\u7ed8\u5236 Pt \u548c\u91d1\u5c5e M \u7684\u66f2\u7ebf\uff0c\u5206\u6790\u5f85\u6d4b\u6837\u54c1\u4e2d Pt \u7684\u6d53\u5ea6\u6216 Pt \u548c \u5408\u91d1\u91d1\u5c5e M \u7684\u6d53\u5ea6\u3002
\n4. 2. 8 \u6570\u636e\u5904\u7406
\n\u6309\u7167\u516c\u5f0f\uff08 2 \uff09 \u8ba1\u7b97\u7535\u50ac\u5316\u5242\u4e2d\u7684 Pt \u542b\u91cf \uff1a
\n\u5f0f\u4e2d\uff1a
\n\u5f18\u4e00\u4e00\u7535\u50ac\u5316\u5242\u4e2d Pt \u7684\u542b\u91cf\uff0c\u5355\u4f4d\u4e3a\uff1b
\nn\u4e00 \u5c06\u6d4b\u8bd5\u6837\u54c1\u914d\u5236\u4e3a ICP \u5206\u6790\u7528\u6eb6\u6db2\u7684\u7a00\u91ca\u500d\u6570 \uff1b
\nCPt \u4e00 ICP \u6d4b\u8bd5\u6f5c\u6db2\u4e2d\u7684 Pt \u6d53\u5ea6 \uff0c\u5355\u4f4d\u4e3a\u6beb\u514b\u6bcf\u5347\uff08 mg\/L) ;
\nVPt \u4e00\u4e00\u914d\u5236\u7684\u6d4b\u8bd5\u6837\u54c1\u521d\u59cb\u4f53\u79ef\uff0c\u5355\u4f4d\u4e3a\u5347\uff08 L) ;
\nmo \u6d4b\u8bd5\u6837\u54c1\u7684\u603b\u8d28\u91cf\uff0c\u5355\u4f4d\u4e3a\u6beb\u514b\uff08 mg\uff09 \u3002
\n\u6309\u7167\u516c\u5f0f\uff083\uff09 \u8ba1\u7b97\u7535\u50ac\u5316\u5242\u4e2d\u7684\u5408\u91d1\u91d1\u5c5e M \u7684\u542b\u91cf \uff1a
\n\u5f0f\u4e2d\uff1a
\n\u5b88M\u4e00 \u7535\u50ac\u5316\u5242\u4e2d\u5408\u91d1\u91d1\u5c5e M \u7684\u542b\u91cf\uff0c\u5355\u4f4d\u4e3a % \uff1b
\nn \u4e00\u2019\u5c06\u6d4b\u8bd5\u6837\u54c1\u914d\u5236\u4e3a ICP \u5206\u6790\u7528\u6eb6\u6db2\u7684\u7a00\u91ca\u500d\u6570 \uff1b
\nCM \u4e00 ICP \u6d4b\u8bd5\u6eb6\u6db2\u4e2d\u7684\u5408\u91d1\u91d1\u5c5e M \u7684\u6d53\u5ea6\uff0c\u5355\u4f4d\u4e3a\u6beb\u514b\u6bcf\u5347\uff08 mg\/L) ;
\nVPt \u4e00\u4e00\u914d\u5236\u7684\u6d4b\u8bd5\u6837\u54c1\u7684\u521d\u59cb\u4f53\u79ef \uff0c\u5355\u4f4d\u4e3a\u5347\uff08L) ;
\nmo \u4e00\u4e00\u6d4b\u8bd5\u6837\u54c1\u7684\u603b\u8d28\u91cf \uff0c\u5355\u4f4d\u4e3a\u6beb\u514b\uff08 mg\uff09 \u3002<\/p>\n

5 \u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef(ECA\uff09 \u6d4b\u8bd5<\/p>\n

5. 1 \u6d4b\u8bd5\u4eea\u5668
\n\u7535\u5316\u5b66\u6052\u7535\u4f4d\u6d4b\u8bd5\u4eea\u3002
\n5. 2 \u6837\u6676\u51c6\u5907
\n\u6d4b\u8bd5\u6837\u54c1\u5e94\u7f6e\u4e8e\u771f\u7a7a\u70d8\u7bb1\u4e2d\u4e8e 80 \u2103\u5e72\u71e5 12 h\u3002 \u6837\u54c1\u8d28\u91cf\u5e94\u6ee1\u8db3 3 \u6b21\u6709\u6548\u8bd5\u9a8c\u7684\u8981\u6c42 \u3002
\n5. 3 \u6d4b\u8bd5\u65b9\u6cd5
\n5. 3. 1 \u51c6\u786e\u79f0\u53d6 5 mg\u58eb0. 05 mg \u50ac\u5316\u5242 \u3002
\n5. 3. 2 \u5411\u79f0\u53d6\u7684\u50ac\u5316\u5242\u4e2d\u4f9d\u6b21\u52a0\u5165 5 % Nafion(DE521) \u6eb6\u6db2 50 \u00b5L\u3001\u53bb\u79bb\u5b50\u6c34 2 mL \u53ca\u5f02\u4e19\u9187 2 mL\u3002
\n5. 3. 3 \u7528\u529f\u7387\u4e0d\u4f4e\u4e8e 200 W \u7684\u8d85\u58f0\u6ce2\u8d85\u58f0 30 min\uff0c\u4f7f\u6d46\u6db2\u6df7\u5408\u5747\u5300\uff0c\u8d85\u58f0\u8fc7\u7a0b\u4e2d\u9700\u4fdd\u6301\u6c34\u6d74\u6e29\u5ea6\u4e0d\u8d85\u8fc7 20 \u2103\u3002
\n5. 3. 4 \u6309\u7167\u7535\u6781\u8868\u9762\u50ac\u5316\u5242\u62c5\u8f7d\u91cf\u4e3a 50 \u00b5g\/cm2 200 \u00b5g\/cm2 \uff0c\u53d6\u9002\u91cf\u5206\u6563\u597d\u7684\u6d46\u6db2\u5206\u4e24\u6b21\u5747\u5300\u5730\u6ef4 \u52a0\u5230\u5149\u6ed1\u5e72\u51c0\u7684\u5706\u76d8\u7535\u6781\u8868\u9762 \uff0c\u4f7f\u5176\u81ea\u7136\u5e76\u5b8c\u5168\u5e72\u71e5\uff0c\u4f5c\u4e3a\u5de5\u4f5c\u7535\u6781 \u3002
\n5. 3. 5 \u5c06\u7535\u6781\u7f6e\u4e8e\u7535\u89e3\u6c60\u4e2d\uff0c\u7ec4\u6210\u4e09\u7535\u6781\u4f53\u7cfb \u3002\u5176\u4e2d\uff0c\u53c2\u6bd4\u7535\u6781\u4e3a\u9971\u548c\u7518\u96b6\u7535\u6781\uff08 Hg\/ Hg2 Cl2 I\u9971\u548c KCI \u6eb6\u6db2\uff09\u6216\u6c2f\u5316\u94f6\u7535\u6781\uff08 Ag\/ AgCl\/ \u9971\u548c KCI \u6995\u6db2\uff09\uff0c\u5bf9\u7535\u6781\u4e3a\u5927\u9762\u79ef Pt \u7247\u6216 Pt \u4e1d\uff0c\u7535\u89e3\u8d28\u4e3a N2 \u9971\u548c \u7684 0. 5 mol\/L \u7684 H2 S04 \u6eb6\u6db2\u3002
\n5. 3. 6 \u6d4b\u8bd5\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf \u3002\u5148\u4ee5 20 mV\/s \u7684\u626b\u63cf\u901f\u5ea6\u5bf9\u50ac\u5316\u5242\u8fdb\u884c\u6d3b\u5316\uff0c\u76f4\u81f3\u6c22\u8131\u9644\u5cf0\u9762\u79ef\uff08\u56fe\u4e2d\u6807\u51fa\uff09\u4e0d\u518d\u589e\u52a0\u65f6\uff0c\u4ee5 20 mV\/s \u7684\u901f\u5ea6\u626b\u63cf 5 \u5708\uff0c\u7535\u4f4d\u626b\u63cf\u8303\u56f4\u4e3a \u4e00 0. 25 V 1. 0 V \uff08 \u76f8\u5bf9\u4e8e\u9971\u548c\u7518\u96b6\u7535 \u6781\uff09 \u3002
\n5. 4 \u6570\u636e\u5904\u7406
\n\u56fe 1 Pt\/C \u50ac\u5316\u5242 ECA \u5178\u578b\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf
\n\u5bf9 Pt\/C \u50ac\u5316\u5242\uff0c\u7535\u5316\u5b66\u6d4b\u8bd5 ECA \u83b7\u5f97\u7684\u5178\u578b\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\u5982\u56fe 1\u6240\u793a \u3002 \u9009\u53d6\u7a33\u5b9a\u540e\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\uff0c\u5bf9\u5176\u6c22\u8131\u9644\u5cf0\u8fdb\u884c\u79ef\u5206\uff0c\u5f97\u5230\u9762\u79ef SCA \u3002V \uff09 \uff0c\u6309\u516c\u5f0f\uff08 4 \uff09 \u8ba1\u7b97\u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef ECA:<\/p>\n

ECA \u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef\uff0c\u5355\u4f4d\u4e3a\u5e73\u65b9\u7c73\u6bcf\u514b\uff08 mZ \/g) ;
\ns \u6c22\u8131\u9644\u5cf0\u7684\u519b\u53ea\u5206\u9762\u79ef\uff0c\u5355\u4f4d\u4e3a\u5b89\u4f0f C A O V) ;
\nC\u4e00 \u5149\u6ed1 Pt \u8868\u9762\u5438\u9644\u6c22\u6c27\u5316\u5438\u9644\u7535\u91cf\u5e38\u81f4 \uff0c0. 21 \u6beb\u5e93\u4ed1\u6bcf\u5e73\u65b9\u5398\u7c73\uff08 0. 21 mC\/cm2 ) ;
\n\u4fe8 \u4e00\u626b\u63cf\u901f\u5ea6\uff0c\u5355\u4f4d\u4e3a\u6beb\u4f0f\u6bcf\u79d2\uff08 mV\/s) ;
\nM \u4e00\u7535\u6781\u4e0a Pt \u7684\u8d28\u91cf\uff0c\u5355\u4f4d\u4e3a\u514b\uff08 g\uff09 \u3002
\n\u53d6 3 \u4e2a\u6837\u54c1\u4e3a\u4e00\u7ec4\uff0c\u8ba1\u7b97\u51fa\u5e73\u5747\u503c\u4f5c\u4e3a\u8bd5\u9a8c\u7ed3\u679c \u3002<\/p>\n

6 \u6bd4\u8868\u9762\u79ef\u3001\u5b54\u7a91 \u3001\u5b54\u5f84\u5206\u5e03\u526f\u8bd5<\/p>\n

\u53c2\u7167 GB\/T 5816\u4e001995 \u7684\u65b9\u6cd5\u8fdb\u884c\u6d4b\u8bd5\u3002
\n6. 1 \u4eea\u5668\u53ca\u6c14\u4f53
\n6. 1. 1 \u5168\u81ea\u52a8\u7269\u7406\u5438\u9644\u4eea \u3002
\n6. 1. 2 \u5206\u6790\u5929\u5e73\uff1a\u7cbe\u5ea6\u4e3a 0. 01 mg.
\n6. 1. 3 \u6d4b\u8bd5\u6c14\u4f53 z \u7ecf\u8fc7\u5e72\u71e5\u5904\u7406\u7684\u5143\u6cb9\u9ad8\u7eaf\u6c2f\u6c14 \u3001\u6c2f\u6c14\uff0c\u7eaf\u5ea6\u4e0d\u4f4e\u4e8e 99. 999 % \u3002
\n6. 2 \u6d4b\u8bd5\u65b9\u6cd5
\n\u91c7\u7528\u9759\u6001\u6c2e\u5438\u9644\u5bb9\u91cf\u6cd5\u6d4b\u91cf\u50ac\u5316\u5242\u5728\u4e0d\u540c\u4f4e\u538b\u4e0b\u6240\u5438\u9644\u7684\u6c2e\u6c14\u4f53\u79ef \uff0c\u81f3\u5c11\u8981\u6d4b\u5f97\u7b26\u5408 BET \u7ebf\u6027\u5173 \u7cfb\u7684\u56db\u4e2a\u8bd5\u9a8c\u70b9\uff0c\u5e94\u7528 BET \u4e8c\u53c2\u6570\u65b9\u7a0b\u8fdb\u884c\u8868\u9762\u73b0\u8ba1\u7b97 \u3002
\n6. 2. 1 \u6837\u54c1\u846b\u5904\u7406\u548c\u8131\u6c14
\na) \u6839\u636e\u8131\u6c14\u8981\u6c42\u5c06\u7ecf\u8131\u6c14\u5904\u7406\u540e\u7684\u7a7a\u6837\u54c1\u7ba1\u52a0\u585e\u5b50\u79f0\u91cf \uff0c\u7cbe\u786e\u81f3 0. 01 mg \u3002\u6b64\u65f6\u8d28\u91cf\u8bb0\u4e3a m1 ;
\nb) \u53d6\u9002\u91cf\u6837\u54c1\u52a0\u5165\u5230\u6837\u54c1\u7ba1\u4e2d \u3002\u8bbe\u5b9a\u52a0\u70ed\u6e29\u5ea6\uff08\u4e00\u822c\u5c0f\u4e8e 200 \u2103\uff09\uff0c\u5bf9\u6837\u54c1\u52a0\u70ed\u62bd\u7a7a \u3002\u5f53\u52a0\u70ed\u6e29 \u5ea6\u8fbe\u5230\u8bbe\u5b9a\u6e29\u5ea6\uff0c\u7cfb\u7edf\u771f\u7a7a\u5ea6\u8fbe\u5230 1. 3 Pa \u65f6\uff0c\u518d\u8fde\u7eed\u8131\u6c14\u81f3\u5c11 4 h \u3002\u5141\u8bb8\u5bf9\u6837\u54c1\u8131\u6c14\u8fc7\u591c \uff1b
\nc) \u5c06\u8131\u6c14\u540e\u7684\u6837\u54c1\u7ba1\u51b7\u5374\u81f3\u5ba4\u6e29\u540e\u52a0\u585e\u5b50\u79f0\u91cf \uff0c\u7cbe\u786e\u81f3 0. 01 mg \u3002\u6b64\u8d28\u91cf\u8bb0\u4e3am z \uff0c\u7531 m z \u4e0em1\u4e4b\u5dee\u5f97\u5230\u6837\u54c1\u51c0\u91cd \u3002
\n6. 2. 2 \u6b7b\u7a7a\u95f4\u6d4b\u5b9a
\na) \u6839\u636e\u5206\u6790\u8981\u6c42\u5411\u5206\u6790\u7cfb\u7edf\u6b67\u7ba1\u4e2d\u5145\u6c2e\u81f3 79. 9 kPa 119. 9 kPa\uff0c\u5e76\u8bb0\u5f55\u6b64\u538b\u529b\u548c\u6b67\u7ba1\u6e29\u5ea6 \u3002\u968f\u540e\u6253\u5f00\u5f85\u6d4b\u6837\u54c1\u95f4\uff0c\u4f7f\u6c2e\u6c14\u5145\u5165\u6837\u54c1\u7ba1\uff1b
\nb) \u5e73\u8861\u7ea6 5 min \u540e\uff0c\u8bb0\u5f55\u5e73\u8861\u538b\u529b\u548c\u6b67\u7ba1\u6e29\u5ea6 \u3002\u6839\u636e\u8bb0\u5f55\u7684\u538b\u529b\u548c\u6b67\u7ba1\u6e29\u5ea6\u4ee5\u53ca\u5df2\u77e5\u6b67\u7ba1\u4f53\u79ef \uff0c\u51c6\u786e\u8ba1\u7b97\u6b7b\u7a7a\u95f4 \u3002
\n6. 2. 3 \u5438\u9644\u6d4b\u5b9a
\na) \u6839\u636e\u5206\u6790\u8981\u6c42\u5411\u7cfb\u7edf\u5145\u6c2e \uff0c\u5728\u76f8\u5bf9\u538b\u529b PI P\u3002\u4e3a 0. 06 0. 2 \u6216 0. 25 \u4e4b\u95f4\u5b9e\u6d4b\u56db\u4e2a\u4ee5\u4e0a\u5438\u9644\u8bd5 \u9a8c\u70b9 \u3002\u8bb0\u5f55\u76f8\u5e94\u7684\u5e73\u8861\u538b\u529b P\uff0c\u5e76\u8ba1\u7b97\u5438\u9644\u91cf \u6c11\uff1b
\nb) \u5438\u9644\u6d4b\u5b9a\u65f6\uff0c\u538b\u529b\u53d8\u52a8\u5728 5 min \u5185\u4e0d\u8d85\u8fc7 13 Pa \uff0c\u53ef\u4ee5\u89c6\u4e3a\u8fbe\u5230\u5438\u9644\u5e73\u8861 \uff1b
\nc) \u6d4b\u91cf\u5e76\u8bb0\u5f55\u6db2\u6c2e\u9971\u548c\u84b8\u6c14\u538b Po \u3002<\/p>\n

 <\/p>\n

\n

1\u3001\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<\/span>
\n2\u3001\u4e0b\u5355\u524d\u53ef\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<\/span>
\n3\u3001\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u666e\u901a\u589e\u503c\u7a0e\u6570\u7535\u53d1\u7968\u3002<\/span>
\n4\u3001\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 13306496964\/Email: standardtrans@foxmail.com \u83b7\u53d6\u5b8c\u6574\u8bd1\u6587\u3002<\/span>
\n5\u3001\u672c\u82f1\u6587\u8bd1\u672c\u4e3a\u7eaf\u4eba\u5de5\u4e13\u4e1a\u7cbe\u7ffb\u7248\u672c\uff0c\u4fdd\u8bc1\u8bed\u6cd5\u672f\u8bed\u51c6\u786e\u7387\u548c\u4e13\u4e1a\u5ea6\uff01<\/span>
\n6\u3001\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|ChinaAutoRegs \u59cb\u7ec8\u4e13\u6ce8\u4e8e\u6c7d\u8f66\u6807\u51c6\u7ffb\u8bd1\u9886\u57df\uff01<\/span>
\n7\u3001\u300c\u4e2d\u56fd\u6c7d\u8f66\u6807\u51c6\u8bd1\u6587\u5e93\u300d\u5df2\u6536\u5f55\u4e0a\u5343\u4e2a\u73b0\u884c\u6c7d\u8f66\u56fd\u5bb6\u6807\u51c6\u548c\u884c\u4e1a\u6807\u51c6\u7684\u82f1\u6587\u7248\u8bd1\u672c\uff0c\u6db5\u76d6\u4f20\u7edf\u71c3\u6cb9\u8f66\u3001\u65b0\u80fd\u6e90\u6c7d\u8f66\u548c\u6469\u6258\u8f66\u6807\u51c6\u5316\u4f53\u7cfb\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<\/span><\/p>\n

1. The English Translation of this document (GB, GB\/T, QC\/T, CNCA, CQC, CAV, etc.) is readily available, and delivered immediately upon payment.<\/span>
\n2. You may request for sample pages to your preference before placing an order.<\/span>
\n3. Please contact standardtrans@foxmail.com for the complete PDF version in English.<\/span>
\n4. Almost all of Chinese automotive\/automobile standards, regulations and norms in effect have been included in our well-established database, providing one-stop, up-to-date, efficient and professional solution.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

ChinaAutoRegs|GB\/T 20042.4-2009 \u82f1\u6587\u7248 \u8d28\u5b50\u4ea4\u6362 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[815,29,30,851,17,529,852,10,178,757,982,7,724,18,723,14],"class_list":["post-3101","post","type-post","status-publish","format-standard","hentry","category-ii","tag-cav","tag-cnca","tag-cqc","tag-gb-2024","tag-gb-english","tag-gb-t-20042-4-2009","tag-gb-t-2024","tag-gb-t","tag-gbt-20042-4-2009","tag-gb","tag-qc-t","tag-723","tag-14"],"views":1500,"_links":{"self":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/3101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3101"}],"version-history":[{"count":4,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/3101\/revisions"}],"predecessor-version":[{"id":5643,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/3101\/revisions\/5643"}],"wp:attachment":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}