{"id":4801,"date":"2022-03-26T11:07:09","date_gmt":"2022-03-26T03:07:09","guid":{"rendered":"https:\/\/www.hnyt99.com\/?p=4801"},"modified":"2022-03-26T11:07:28","modified_gmt":"2022-03-26T03:07:28","slug":"892","status":"publish","type":"post","link":"https:\/\/www.hnyt99.com\/baike\/shuizijc\/892.html","title":{"rendered":"\u6c34\u8d28\u76d1\u6d4b\u4e2d\u6807\u51c6\u6eb6\u6db2\u914d\u5236\u4f8b\u9898"},"content":{"rendered":"\n
\u3000\u3000\u3010\u4f8b\u98984-14\u3011\u914d\u5236CEDTA-2Na=0.01mol\/L\u7684\u6807\u51c6\u6eb6\u6db21000mL\uff0c\u5982\u4f55\u914d\u5236\u548c\u6807\u5b9a?<\/p>\n\n\n\n
\u3000\u3000\u89e3\uff1a\u5df2\u77e5CEDTA-2Na=0.01mol\/L\uff0cV=1000mL\uff0cMEDTA-2Na=372.24g\/mol\uff0cMZn=65.37g\/mol<\/p>\n\n\n\n
\u3000\u3000\u4ee3\u5165\u5f0f4-7 mEDTA-2Na=0.01*372.24*(1000\/1000)=3.72g<\/p>\n\n\n\n
\u3000\u3000\u914d\u5236\uff1a\u79f0\u53d63.75-3.8g(\u56e0\u8bd5\u5242\u7eaf\u5ea6\u95ee\u9898\u53ef\u9002\u91cf\u591a\u79f0\u4e00\u4e9b)EDTA-2Na,\u6eb6\u4e8e\u7eaf\u6c34\u4e2d\uff0c\u5e76\u7a00\u91ca\u81f31000mL\uff0c\u6df7\u5300\u540e\u5f85\u6807\u5b9a\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u5b9a\uff1a\u51c6\u786e\u79f00.6-0.8g\u7684\u950c\u7c92\uff0c\u6eb6\u4e8e1+1\u76d0\u9178\u4e2d\uff0c\u7f6e\u6c34\u6d74\u4e0a\u70ed\u81f3\u5b8c\u5168\u6eb6\u89e3\u3002\u79fb\u5165\u5bb9\u91cf\u74f6\u4e2d\uff0c\u5b9a\u5bb9\u81f31000mL\uff0c\u5176\u6d53\u5ea6\u6309\u4e0b\u5f0f\u6c42\u51fa\uff1a<\/p>\n\n\n\n