{"id":1677,"date":"2013-09-11T15:33:51","date_gmt":"2013-09-11T07:33:51","guid":{"rendered":"http:\/\/www.leadingtec.cn\/?p=1677"},"modified":"2016-05-03T18:19:51","modified_gmt":"2016-05-03T10:19:51","slug":"selenite-enrichment-medium","status":"publish","type":"post","link":"https:\/\/www.leadingtec.cn\/selenite-enrichment-medium.html","title":{"rendered":"SE\u57f9\u517b\u57fa(Selenite Enrichment)"},"content":{"rendered":"

\u4e3a\u6ee1\u8db3\u4ece\u4e8b\u5c0f\u7403\u85fb\u57f9\u517b\u7684\u670b\u53cb\uff0c\u73b0\u63d0\u4f9b\u5c0f\u7403\u85fbSE\u57f9\u517b\u57fa\u914d\u65b9\u4f9b\u53c2\u8003\u3002\u5c0f\u7403\u85fbSE\u57f9\u517b\u57fa\u914d\u65b9\u662f\u6bd4\u8f83\u4f20\u7edf\u7684\u8001\u914d\u65b9\u4e86\uff0c\u5b83\u662f\u4e00\u79cd\u540c\u5316\u57f9\u517b\u7684\u65b9\u5f0f\uff0c\u9700\u8981\u6c14\u6cf5\u5145\u6c14\u6765\u8865\u5145\u4e8c\u6c27\u5316\u78b3\u3002\u4f46\u7531\u4e8e\u5c5e\u4e8e\u540c\u5316\u57f9\u517b\u65b9\u5f0f\uff0c\u6700\u7ec8\u7684\u57f9\u517b\u5bc6\u5ea6\u4e0d\u662f\u5f88\u9ad8,\u4e14\u57f9\u517b\u8fc7\u7a0b\u4e2d\uff0c\u5c0f\u7403\u85fb\u751f\u957f\u4e5f\u4e0d\u662f\u5f88\u7a33\u5b9a\u3002<\/span><\/p>\n

\u4e0a\u6d77\u5149\u8bed\u751f\u7269\u79d1\u6280\u6709\u9650\u516c\u53f8\u63d0\u4f9b\u914d\u7f6e\u597d\u7684SE\u57f9\u517b\u57fa<\/a>\uff0c\u5982\u9700\u8282\u7701\u65f6\u95f4\u8bf7 \u8054\u7cfb\u6211\u4eec<\/a> \u3002<\/span><\/p>\n

<\/p>\n

SE\uff08Selenite Enrichment<\/strong>\uff09\u57f9\u517b\u57fa\uff08\u914d\u65b91\uff09<\/span><\/h2>\n

NaNO3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.25 (g\/l)<\/span>
\n K2HPO4.3H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.075 (g\/l)\u00a0<\/span>
\n MgSO4.7H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.075 (g\/l)\u00a0\u00a0<\/span>
\n CaCl2.2H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.025 (g\/l)<\/span>
\n KH2PO4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.175 (g\/l)\u00a0<\/span>
\n NaCl\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.025 (g\/l)\u00a0<\/span>
\n Soilextract(\u571f\u58e4\u63d0\u53d6\u6db2)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a040 (ml\/l)\u00a0<\/span>
\n FeCl3\u20226H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.005 (g\/l)<\/span>
\n Fe-EDTA<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01(ml\/l)\u00a0<\/span>
\n A5<\/strong>\u00a0solution\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01(ml\/l)<\/span>
\n distilled water\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0958(ml\/l)<\/span><\/p>\n

A5<\/strong>\u6eb6\u6db2\u914d\u5236\u65b9\u6cd5\uff1a<\/span>
\n H3BO3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0286 mg<\/span>
\n ZnSO4 . 7H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a022 mg<\/span>
\n MnCl2. 4H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0181 mg<\/span>
\n CuSO4. 5 H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a07.9 mg<\/span>
\n (NH4) 6Mo7O24 . 4H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.9 mg<\/span>
\n \u6309\u6309\u4e0a\u8ff0\u79f0\u91cf\u836f\u54c1\uff0c\u6eb6\u4e8e100ml\u6c34\u5373\u53ef\u3002<\/span><\/p>\n

EDTA-Fe<\/strong>\u7684\u914d\u7f6e\u65b9\u6cd5\uff1a<\/span>
\n A\u6db2\uff1a\u00a0\u00a0\u00a0Na2EDTA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01g<\/span>
\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0distilled water\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a050ml<\/span>
\n B\u6db2\u00a0\u00a0\u00a0\u00a0\u00a0FeCl3\u20226H2O\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a081 mg<\/span>
\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0HCl\uff080.1N\uff09\uff080.1 mol\/L\uff09\u00a0\u00a0\u00a0\u00a0\u00a050ml<\/span>
\n \u5206\u522b\u914d\u7f6eA,B\u6db2\uff0c\u5145\u5206\u6405\u62cc\u6eb6\u89e3\u540e\uff0c\u5c06A,B\u6db2\u6df7\u5408\u6405\u62cc\u5747\u5300\u5373\u53ef\u3002<\/span><\/p>\n

 <\/p>\n

 <\/p>\n

SE\u57f9\u517b\u57fa\u914d\u65b92\u00a0(Brostol\u2019s\u00a0solution)<\/strong><\/strong><\/h2>\n

Component\u00a0Amount\u00a0Stock\u00a0Solution<\/span><\/p>\n

(1)\u00a0NaNO3\u00a01\u00a0mL\/L\u00a025\u00a0g\/100mldH2O<\/span><\/p>\n

(2)\u00a0K2HPO4\u00a01\u00a0mL\/L\u00a07.5\u00a0g\/100\u00a0mL\u00a0dH2O<\/span><\/p>\n

(3)\u00a0MgSO4\u00b77H2O\u00a01\u00a0mL\/L\u00a07.5\u00a0g\/100\u00a0mL\u00a0dH2O<\/span><\/p>\n

(4\u00a0)\u00a0CaCl2\u00b72H2O\u00a01\u00a0mL\/L\u00a02.5\u00a0g\/100\u00a0mL\u00a0dH2O<\/span><\/p>\n

(5\u00a0)\u00a0KH2PO4\u00a01\u00a0mL\/L\u00a017.5\u00a0g\/100\u00a0mL\u00a0dH2O<\/span><\/p>\n

(6\u00a0)\u00a0NaCl\u00a01mL\/L\u00a02.5g\/100ml\u00a0dH2O<\/span><\/p>\n

(7)\u00a0FeCl3.\u00a06H2O\u00a01mL\/L\u00a00.05g\/100ml\u00a0dH2O<\/span><\/p>\n

(8)\u00a0EDTA-Fe\u00a01mL\/L<\/span><\/p>\n

1N\u00a0HCl:\u00a0\u53d6<\/span>4.1ml<\/span>\u6d53\u76d0\u9178\u7528\u84b8\u998f\u6c34\u7a00\u91ca\u81f3<\/span>50ml<\/span>1N\u00a0EDTA-Na\u00a02\u00a0\u79f0\u53d60.9306g\u00a0<\/span>\u6eb6\u89e3\u81f3<\/span>50ml<\/span>\u84b8\u998f\u6c34\u4e2d<\/span>\u79f0\u53d6FeCl<\/span>3.\u00a06H2O\u00a00.901g\u00a0\u6eb6\u4e8e<\/span>10ml<\/span>\u4ee5\u4e0a\u6b65\u9aa4\u5df2\u7ecf\u914d\u5236\u5b8c\u6210\u7684<\/span>1N\u00a0HCl\u00a0<\/span>\u4e2d<\/span>,<\/span>\u7136\u540e<\/span>\u4e0e10ml<\/span>\u5df2\u7ecf\u914d\u5236\u5b8c\u6210\u7684<\/span>0.1N\u00a0EDTA-Na<\/span>\u00a02\u00a0\u6df7\u5408\uff0c\u00a0\u52a0\u5165\u84b8\u998f\u6c34\u7a00\u91ca\u81f31000ml<\/span>\u3002<\/span><\/span><\/p>\n

(9)\u00a0Trace\u00a0mental\u00a0solution\u00a01ml\/L<\/span><\/p>\n

H3BO3\u00a02.86g\/L\u00a0dH2O<\/span><\/p>\n

MnCl2\u00b74H2O\u00a01.86g\/L\u00a0dH2O<\/span><\/p>\n

ZnSO4\u00b77H2O\u00a00.22g\/L\u00a0dH2O<\/span><\/p>\n

Na2MoO4.2H2O\u00a00.39g\/L\u00a0dH2O<\/span><\/p>\n

CuSO4.\u00a05\u00a0H2O\u00a00.08g\/L\u00a0dH2O<\/span><\/p>\n

Co(NO3)2.6\u00a0H2O\u00a00.05g\/L\u00a0dH2O<\/span><\/p>\n

\uff0810<\/span>\uff09\u571f\u58e4\u63d0\u53d6\u6db2\u00a0<\/span>40\u00a0mL\/L<\/span><\/span><\/p>\n

\u571f\u58e4\u63d0\u53d6\u6db2\u914d\u5236\u65b9\u6cd5:<\/span><\/span><\/p>\n

\u53d6\u82b1\u56ed\u571f\u672a\u65bd\u8fc7\u80a5200g<\/span>\u7f6e\u4e8e\u70e7\u676f\u6216\u4e09\u89d2\u74f6\u4e2d\uff0c\u52a0\u5165\u84b8\u998f\u6c34<\/span>1000<\/span>\u6beb\u5347\uff0c\u74f6\u53e3<\/span>\u7528\u900f\u6c14\u585e\u5c01\u53e3\uff0c\u5728\u6c34\u6d74\u4e2d\u6cb8\u6c34\u52a0\u70ed3<\/span>\u5c0f\u65f6\uff0c\u51b7\u5374\uff0c\u6c89\u6dc0<\/span>24<\/span>\u5c0f\u65f6\uff0c\u6b64\u8fc7\u7a0b\u8fde\u7eed\u8fdb\u884c<\/span>3\u6b21\uff0c\u7136\u540e\u8fc7\u6ee4\uff0c\u53d6\u4e0a\u6e05\u6db2\uff0c\u4e8e\u9ad8\u538b\u706d\u83cc\u9505\u4e2d\u706d\u83cc\u540e\u4e8e<\/span>4<\/span>\u2103\u51b0\u7bb1\u4e2d\u4fdd\u5b58\u5907\u7528\u3002<\/span><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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