\u8fd1\u5e74\u6765\uff0c\u6c61\u6c34\u5904\u7406\u6392\u653e\u6807\u51c6\u8d8a\u6765\u8d8a\u9ad8\uff0c\u5c24\u5176\u662ftn\u5df2\u7ecf\u8131\u79bb\u4e86\u52a3\u4e94\u7c7b\u6c34\u6807\u51c6\u7684\u4f4e\u7ea7\u8da3\u5473\uff0c\u6bd4\u80a9\u4e09\u56db\u7c7b\u6c34\u7684\u6807\u51c6\u4e86\uff0c\u56e0\u5e02\u653f\u6c61\u6c34\u4f4e\u78b3\u9ad8\u6c2e\u7684\u6c34\u8d28\u7279\u70b9\uff0c\u5728\u91c7\u7528\u5e38\u89c4\u8131\u6c2e\u5de5\u827a\u65f6\u65e0\u6cd5\u6ee1\u8db3\u7f3a\u6c27\u53cd\u785d\u5316\u9636\u6bb5\u5bf9\u78b3\u6e90\u7684\u9700\u6c42\uff0c\u5bfc\u81f4tn\u8d85\u6807\uff0c\u6240\u4ee5\u6295\u52a0\u78b3\u6e90\u662f\u6c61\u6c34\u5904\u7406\u5382\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u91cd\u8981\u4e14\u552f\u4e00\u7684\u624b\u6bb5\u3002<\/p>\n
<\/p>\n
\u4e00\u3001\u4ec0\u4e48\u662f\u78b3\u6e90\u7684cod\u5f53\u91cf\uff1f<\/strong><\/p>\n <\/p>\n \u524d\u6bb5\u65f6\u95f4\u6709\u5c0f\u4f19\u4f34\u95eecod\u5f53\u91cf\u5230\u5e95\u662f\u4ec0\u4e48\uff1f\u67e5\u9605\u4e86\u5f88\u591a\u8d44\u6599\u53d1\u73b0\u76ee\u524d\u5bf9\u78b3\u6e90\u7684cod\u5f53\u91cf\u5e76\u6ca1\u6709\u5b98\u65b9\u4e0a\u7684\u5b9a\u4e49\uff0c\u6240\u4ee5\u6839\u636e\u5b9e\u9645\u4e2d\u7684\u4f7f\u7528\u4e60\u60ef\u505a\u4e00\u4e2a\u603b\u7ed3\u6027\u7684\u5b9a\u4e49\uff0c\u78b3\u6e90\u7684cod\u5f53\u91cf\u53ef\u4ee5\u7406\u89e3\u4e3a\u5355\u4f4d\u4f53\u79ef\u6216\u8005\u5355\u4f4d\u8d28\u91cf\u7684\u78b3\u6e90\u5168\u90e8\u88ab\u6c27\u5316\u540e\uff0c\u9700\u8981\u7684\u6c27\u7684\u6beb\u514b\u6570\uff0c\u5355\u4f4dmg\/l\u3001mg\/g\u6216mg\/kg\u3002<\/p>\n <\/p>\n \u78b3\u6e90\u5206\u5e72\u5242\u548c\u6db2\u4f53\u4e24\u79cd\uff0c\u5bf9\u4e8e\u5e72\u5242\u78b3\u6e90\uff0c\u54b1\u4eec\u4e00\u822c\u4ee5\u5355\u4f4d\u8d28\u91cf\u6765\u8ba1\u7b97\uff0c\u4e00\u822c\u662f\u4ee5\u514b\u6216\u8005\u5343\u514b\u4e3a\u5355\u4f4d\uff0c\u4f8b\u5982\uff0c1kg\u5e72\u7c89\u8461\u8404\u7cd6\u7684cod\u5f53\u91cf\u662f1kg\uff0c\u6362\u7b97\u6210\u5e38\u7528\u7684mg\u7684\u5355\u4f4d\u662f100\u4e07mg\/kg\u3002\u5bf9\u4e8e\u6db2\u4f53\u78b3\u6e90\u6765\u8bf4\uff0c\u884c\u4e1a\u4e2d\u662f\u4ee5\u5347\uff08l\uff09\u4f5c\u4e3a\u5355\u4f4d\u7684\uff0c\u5f88\u591a\u78b3\u6e90\u5382\u5bb6\u6240\u5ba3\u79f0\u7684\u6db2\u4f53\u78b3\u6e90cod\u5f53\u91cf\u51e0\u5341\u4e07\uff0c\u5c31\u662f1l\u7684\u6db2\u4f53\u78b3\u6e90\u7684cod\u7684\u91cf\uff0c\u6211\u4eec\u611f\u89c9\u5f88\u5389\u5bb3\u7684\u6837\u5b50\uff0c\u5176\u5b9e\u6362\u7b97\u4e00\u4e0b\u8fd8\u4e0d\u598298%\u7684\u8461\u8404\u7cd6cod\u5f53\u91cf\u9ad8\uff08\u5bc6\u5ea6\u63091kg\/l\u7b97\uff09\uff01<\/p>\n <\/p>\n \u5f53\u7136\uff0c\u78b3\u6e90\u7684\u597d\u574fcod\u5f53\u91cf\u4e0d\u662f\u552f\u4e00\u4e00\u4e2a\u8bc4\u4ef7\u6307\u6807\uff0c\u5229\u7528\u7387\u3001\u6027\u4ef7\u6bd4\u3001\u8131\u6c2e\u6548\u7387\u3001\u78b3\u6e90\u6b8b\u7559\u7b49\u7b49\u90fd\u8981\u8003\u8651\u7684\uff0c\u6240\u4ee5\uff0ccod\u5f53\u91cf\u4f4e\u4e0d\u4e00\u5b9a\u4e0d\u662f\u597d\u78b3\u6e90\uff01\u4f8b\u5982\u4e59\u9178\u94a0\u662f\u516c\u8ba4\u7684\u597d\u78b3\u6e90\uff0c\u4f46\u662f\u5176\u5e72\u5242\u7684cod\u5f53\u91cf\u4e5f\u53ea\u670978\u4e07mg\/kg\uff0c\u6db2\u4f53\u7684\u4e59\u9178\u94a0\u5f88\u591a\u624d30\u4e07mg\/l\u5de6\u53f3\uff0ccod\u5f53\u91cf\u6bd4\u4e0d\u8fc7\u8461\u8404\u7cd6\uff0c\u4ef7\u683c\u8fd8\u662f\u8461\u8404\u7cd6\u7684\u6570\u500d\uff0c\u4f46\u662f\u4eba\u5bb6\u786e\u5b9e\u662f\u6bd4\u8461\u8404\u7cd6\u597d\u7684\u78b3\u6e90\uff01<\/p>\n <\/p>\n \u4e8c\u3001\u78b3\u6e90cod\u5f53\u91cf\u7684\u6d4b\u5b9a\u65b9\u6cd5<\/strong><\/p>\n <\/p>\n \u5916\u8d2d\u78b3\u6e90\u6d4b\u91cfcod\u5f53\u91cf\u662f\u5f88\u91cd\u8981\u7684\u6b65\u9aa4\uff0c\u901a\u8fc7\u6c61\u6258\u90a6\u793e\u533a\u5316\u9a8c\u56e2\u961f\u7684\u652f\u6301\uff0c\u628acod\u5f53\u91cf\u7684\u6d4b\u5b9a\u505a\u4e00\u4e2a\u603b\u7ed3\uff1a<\/p>\n <\/p>\n 1\u3001\u4eea\u5668<\/p>\n <\/p>\n 1.1 250ml\u5168\u73bb\u7483\u56de\u6d41\u88c5\u7f6e\u3002\u5982\u53d6\u6c34\u6837\u572830ml\u4ee5\u4e0a\uff0c\u7528500ml\u5168\u73bb\u7483\u56de\u6d41\u88c5\u7f6e\u3002<\/p>\n <\/p>\n 1.2 \u52a0\u70ed\u88c5\u7f6e\uff08\u7535\u7089\uff09\u3002<\/p>\n <\/p>\n 1.3 5ml\u621650ml\u9178\u5f0f\u6ef4\u5b9a\u7ba1\u3001\u9525\u5f62\u74f6\u3001\u79fb\u6db2\u7ba1\u3001\u5bb9\u91cf\u74f6\u7b49\u3002<\/p>\n <\/p>\n 2\u3001\u8bd5\u5242<\/p>\n <\/p>\n 2.1 \u78b3\u6e90\u5f85\u68c0\u6eb6\u6db2 (1g\uff08ml\uff09\/l):\u51c6\u786e\u79f0\u53d61.000g\u56fa\u4f53\u78b3\u6e90\u6216\u80051.000ml\u6db2\u4f53\u78b3\u6e90\u6837\u54c1\uff0c\u7f6e\u4e8e1000ml\u5bb9\u91cf\u74f6\u4e2d\uff0c\u7528\u84b8\u998f\u6c34\u52a0\u81f3\u523b\u5ea6\u3001\u6447\u5300\u3002<\/p>\n <\/p>\n 2.2 \u91cd\u94ec\u9178\u94be\u6807\u51c6\u6eb6\u6db2\uff080.2500mol\/l\uff09\uff1a\u79f0\u53d6\u9884\u5148\u5728120\u5ea6\u70d8\u5e722\u5c0f\u65f6\u7684\u57fa\u51c6\u6216\u4f18\u8d28\u7eaf\u91cd\u94ec\u9178\u94be12.258g\u6eb6\u4e8e\u6c34\u4e2d\uff0c\u79fb\u51651000ml\u5bb9\u91cf\u74f6\u5185\uff0c\u7a00\u91ca\u81f3\u6807\u7ebf\uff0c\u6447\u5300\u3002<\/p>\n <\/p>\n 2.3 \u8bd5\u4e9a\u94c1\u7075\u6307\u793a\u6db2\uff1a\u79f0\u53d61.485g\u90bb\u83f2\u7f57\u5549\uff08c12h8n2.h2o\uff09\u30010.695g\u786b\u9178\u4e9a\u94c1\uff08feso4.7h2o\uff09\u6eb6\u4e8e\u6c34\u4e2d\uff0c\u7a00\u91ca\u81f3100ml\uff0c\u8d2e\u4e8e\u68d5\u8272\u74f6\u5185\u3002<\/p>\n <\/p>\n 2.4 \u786b\u9178-\u786b\u9178\u94f6\u6eb6\u6db2\uff1a\u4e8e500ml\u6d53\u786b\u9178\u4e2d\u52a0\u51655g\u786b\u9178\u94f6\u3002\u653e\u7f6e1\u20142\u5929\uff0c\u4e0d\u65f6\u6447\u52a8\u4f7f\u5176\u6eb6\u89e3\u3002<\/p>\n <\/p>\n 2.5 \u786b\u9178\u4e9a\u94c1\u94f5\u6807\u51c6\u5316\u6eb6\u6db2[c(nh4)2fe(so4)2.6h2o\u7ea6\u7b49\u4e8e0.1mol\/l]\uff1a\u79f0\u53d639.5g\u786b\u9178\u4e9a\u94c1\u94f5\u6eb6\u4e8e\u6c34\u4e2d\uff0c\u8fb9\u6405\u62cc\u8fb9\u7f13\u6162\u52a0\u516520ml\u6d53\u786b\u9178\uff0c\u51b7\u5374\u540e\u79fb\u51651000ml\u5bb9\u91cf\u74f6\u4e2d\uff0c\u52a0\u6c34\u7a00\u91ca\u81f3\u6807\u7ebf\uff0c\u6447\u5300\u3002\u4e34\u7528\u524d\uff0c\u7528\u91cd\u94ec\u9178\u94be\u6807\u51c6\u6eb6\u6db2\u6807\u5b9a\u3002<\/p>\n <\/p>\n \u6807\u5b9a\u65b9\u6cd5\uff1a\u51c6\u786e\u5438\u53d610.00ml\u91cd\u94ec\u9178\u94be\u6807\u51c6\u6eb6\u6db2\u4e8e500ml\u9525\u5f62\u74f6\u4e2d\uff0c\u52a0\u6c34\u7a00\u91ca\u81f3110ml\u5de6\u53f3\uff0c\u7f13\u6162\u52a0\u516530ml\u6d53\u786b\u9178\uff0c\u6df7\u5300\u3002\u51b7\u5374\u540e\uff0c\u52a0\u51653\u6ef4\u8bd5\u4e9a\u94c1\u7075\u6307\u793a\u6db2\uff08\u7ea60.15ml\uff09\uff0c\u7528\u786b\u9178\u4e9a\u94c1\u94f5\u6eb6\u6db2\u6ef4\u5b9a\uff0c\u6eb6\u6db2\u7684\u989c\u8272\u7531\u9ec4\u8272\u7ecf\u84dd\u7eff\u8272<\/p>\n <\/p>\n c=\uff080.2500\u00b710.00\uff09\/v<\/p>\n <\/p>\n \u5f0f\u4e2d<\/p>\n <\/p>\n c\u2014\u2014\u786b\u9178\u4e9a\u94c1\u94f5\u6807\u51c6\u6eb6\u6db2\u7684\u6d53\u5ea6\uff0cmol\/l\uff1bv\u2014\u2014\u786b\u9178\u4e9a\u94c1\u94f5\u6807\u51c6\u6eb6\u6db2\u7684\u7528\u91cf\uff0cml\u3002<\/p>\n <\/p>\n 3\u3001\u5b9e\u9a8c\u6b65\u9aa4<\/p>\n <\/p>\n 3.1\u7a7a\u767d\uff1a\u53d610.00ml\u84b8\u998f\u6c34\u7f6e\u4e8e250ml\u78e8\u53e3\u7684\u56de\u6d41\u9525\u5f62\u74f6\u4e2d\uff0c\u51c6\u786e\u52a0\u516510.00ml\u30010.2500mol\/l\u6d53\u5ea6\u7684\u91cd\u94ec\u9178\u94be\u6eb6\u6db2\u53ca\u6570\u7c92\u5c0f\u73bb\u7483\u73e0\u6216\u6cb8\u77f3\uff0c\u8fde\u63a5\u78e8\u53e3\u56de\u6d41\u51b7\u51dd\u7ba1\uff0c\u4ece\u51b7\u51dd\u7ba1\u4e0a\u53e3\u6162\u6162\u5730\u52a0\u516530ml\u786b\u9178\uff0d\u786b\u9178\u94f6\u6eb6\u6db2\uff0c\u8f7b\u8f7b\u6447\u52a8\u9525\u5f62\u74f6\u4f7f\u6eb6\u6db2\u6df7\u5300\uff0c\u52a0\u70ed\u56de\u6d412h\uff08\u81ea\u5f00\u59cb\u6cb8\u817e\u65f6\u8bb0\u65f6\uff09\u3002<\/p>\n <\/p>\n 3.2 \u53d610.00ml\u914d\u597d\u7684\u78b3\u6e90\u5f85\u6d4b\u5b9a\u6837\uff0c\u7f6e\u4e8e250ml\u78e8\u53e3\u7684\u56de\u6d41\u9525\u5f62\u74f6\u4e2d\uff0c\u51c6\u786e\u52a0\u516510.00ml\u30010.2500mol\/l\u6d53\u5ea6\u7684\u91cd\u94ec\u9178\u94be\u6eb6\u6db2\u53ca\u6570\u7c92\u5c0f\u73bb\u7483\u73e0\u6216\u6cb8\u77f3\uff0c\u8fde\u63a5\u78e8\u53e3\u56de\u6d41\u51b7\u51dd\u7ba1\uff0c\u4ece\u51b7\u51dd\u7ba1\u4e0a\u53e3\u6162\u6162\u5730\u52a0\u516530ml\u786b\u9178\uff0d\u786b\u9178\u94f6\u6eb6\u6db2\uff0c\u8f7b\u8f7b\u6447\u52a8\u9525\u5f62\u74f6\u4f7f\u6eb6\u6db2\u6df7\u5300\uff0c\u52a0\u70ed\u56de\u6d412h\uff08\u81ea\u5f00\u59cb\u6cb8\u817e\u65f6\u8bb0\u65f6\uff09\u3002<\/p>\n <\/p>\n 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