\u786b\u4ee3\u4e59\u9170\u80fa\uff08Thioacetamide\uff09\uff0c\u7b80\u79f0TAA\uff0c\u5316\u5b66\u54c1\uff0c\u65e0\u8272\u6216\u767d\u8272\u7ed3\u6676\u3002\u7528\u4e8e\u751f\u4ea7\u50ac\u5316\u5242\u3001\u7a33\u5b9a\u5242\u3001\u963b\u805a\u5242\u3001\u7535\u9540\u6dfb\u52a0\u5242\u3001\u7167\u76f8\u836f\u54c1\u3001\u3001\u67d3\u8272\u52a9\u5242\u548c\u9009\u77ff\u5242\u7b49\u3002\u4e5f\u7528\u4f5c\u805a\u5408\u7269\u7684\u786b\u5316\u5242\u3001\u4ea4\u8054\u5242\u3001\u6a61\u80f6\u52a9\u5242\u548c\u539f\u6599\u3002
2017\u5e7410\u670827\u65e5\uff0c\u4e16\u754c\u536b\u751f\u7ec4\u7ec7\u56fd\u9645\u764c\u75c7\u7814\u7a76\u673a\u6784\u516c\u5e03\u7684\u81f4\u764c\u7269\u6e05\u5355\u521d\u6b65\u6574\u7406\u53c2\u8003\uff0c\u786b\u4ee3\u4e59\u9170\u80fa\u57282B\u7c7b \u81f4\u764c\u7269\u6e05\u5355\u4e2d\u3002
\u4e2d\u6587\u540d\u786b\u4ee3\u4e59\u9170\u80fa\u5916\u6587\u540dThioacetamide\u6240\u5c5e\u5b66\u79d1\u5316\u5b66\u5206\u5b50\u5f0f CH3CSNH2\u5206\u5b50\u91cf 75.13\u5bc6 \u5ea6 1.07g\/cm3\u7194 \u70b9 112-114\u2103\u6cb8 \u70b9 111.7\u00b0C at 760 mmHg\u95ea \u70b9 21.4\u00b0C\u84b8\u6c7d\u538b 22.5mmHg at 25\u00b0CCAS 62-55-5EINECS\u53f7 200-541-4\u7b80 \u79f0 TAA
EINECS\u7f16\u53f7\uff1b200-541-4
\u7269\u7406\u6027\u8d28
\u6781\u5fae\u6eb6\u4e8e\u82ef\u3002\u5176\u6c34\u6eb6\u6db2\u5728\u5ba4\u6e29\u621650-60\u2103\u65f6\u76f8\u5f53\u7a33\u5b9a\uff0c\u4f46\u5f53\u6709\u6c22\u79bb\u5b50\u5b58\u5728\u65f6\uff0c\u5f88\u5feb\u4ea7\u751f\u786b\u5316\u6c22\u800c\u5206\u89e3\u3002\u65b0\u5236\u54c1\u6709\u65f6\u6709\u786b\u9187\u81ed\u3001\u5fae\u5438\u6f6e\u3002
\u5316\u5b66\u6027\u8d28
\uff081\uff09\u5728\u9178\u6027\u6eb6\u6db2\u4e2d\uff0c\u786b\u4ee3\u4e59\u9170\u80fa\u6c34\u89e3\u751f\u6210H2S\uff0c\u53ef\u4ee3\u66ffH2S\u6c89\u6dc0\u7b2cII\u7ec4\u9633\u79bb\u5b50\u3002\u6c34\u89e3\u53cd\u5e94\u5982\u4e0b\uff1a
CH3CSNH2+H2O CH3CONH2+H2S
\u957f\u65f6\u95f4\u716e\u6cb8\uff0cCH3CONH2\u8fdb\u4e00\u6b65\u6c34\u89e3\uff1a
CH3CONH2+H2O<==>CH3COONH4
\uff082\uff09\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\uff0c\u786b\u4ee3\u4e59\u9170\u80fa\u6c34\u89e3\u751f\u6210S2-\uff0c\u53ef\u4ee5\u4ee3\u66ffNa2S\u4f7f\u7528,\u6c34\u89e3\u53cd\u5e94\u5982\u4e0b\uff1a
CH3CSNH2+3OH-<==>CH3COO-+NH3+S2-+H2O
\uff083\uff09\u5728\u6c28\u6eb6\u6db2\u4e2d\uff0c\u786b\u4ee3\u4e59\u9170\u80fa\u6c34\u89e3\u751f\u6210HS-\uff0c\u53ef\u4ee5\u4ee3\u66ff(NH4)2S\u6c89\u6dc0\u7b2cIII\u7ec4\u9633\u79bb\u5b50\u3002\u6c34\u89e3\u53cd\u5e94\u5982\u4e0b:
CH3CSNH2+2NH3<==>CH3C(NH2)NH+NH+4+HS-
\u786b\u4ee3\u4e59\u9170\u80fa\u7684\u6c34\u89e3\u901f\u5ea6\u968f\u6e29\u5ea6\u5347\u9ad8\u800c\u52a0\u5feb\uff0c\u53cd\u5e94\u4e00\u822c\u5728\u6cb8\u6c34\u6d74\u4e2d\u8fdb\u884c\u3002\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\u5176\u6c34\u89e3\u901f\u5ea6\u8f83\u5728\u9178\u6027\u6eb6\u6db2\u4e2d\u4e3a\u5feb\u3002
(\u4e00)\u786b\u4ee3\u4e59\u9170\u80fa\u4f5c\u4e3a\u7ec4\u8bd5\u5242\u7684\u7279\u70b9\uff1a
\uff081\uff09\u53ef\u4ee5\u51cf\u5c11\u6709\u6bd2H2S\u6c14\u4f53\u9038\u51fa\uff0c\u51cf\u4f4e\u5b9e\u9a8c\u5ba4\u4e2d\u7a7a\u6c14\u7684\u6c61\u67d3\u7a0b\u5ea6\u3002
\uff082\uff09\u4ee5\u5747\u5300\u6c89\u6dc0\u7684\u65b9\u5f0f\u5f97\u5230\u8f83\u7eaf\u51c0\u7684\u91d1\u5c5e\u786b\u5316\u7269\u7684\u6c89\u6dc0\uff0c\u4e14\u5171\u6c89\u6dc0\u8f83\u5c11\uff0c\u4fbf\u4e8e\u5206\u79bb\u3002
\uff083\uff09As(V)\u88ab\u786b\u4ee3\u4e59\u9170\u80fa\u8fd8\u539f\u6210As(III)\u65f6\u901f\u5ea6\u5feb\u3002
\uff084\uff09 \u7528\u786b\u4ee3\u4e59\u9170\u80fa\u6c89\u6dc0Sn(II)\u5f97\u5230\u7684\u786b\u5316\u4e9a\u9521\u6c89\u6dc0\uff0c\u53ef\u6eb6\u4e8eNaOH\u6216CH3CSNH2+NaOH\u4e2d\u3002\u53cd\u5e94\u5982\u4e0b\uff1a
2SnS+4OH-<==>SnO2-2+SnS22-+2H2O
\uff085\uff09Co2+\u3001Ni2+\u5728NH4+–NH3\u6eb6\u6db2\u4e2d\u4e0eCH3CSNH2\u53cd\u5e94\uff0c\u901a\u8fc7\u8f83\u957f\u65f6\u95f4\u52a0\u70ed\uff0c\u53ef\u6c89\u6dc0\u4e3a\u03b2-CoS\u548c\u03b2-NiS\u3002
\uff086\uff09Cu2+\u5728pH<1\u7684\u6eb6\u6db2\u4e2d\u4e0e\u786b\u4ee3\u4e59\u9170\u80fa\u53cd\u5e94\u65f6\uff0c\u5148\u88ab\u8fd8\u539f\u6210Cu+\uff0c\u7136\u540eCu+\u4e0e\u786b\u4ee3\u4e59\u9170\u80fa\u5f62\u6210\u7edc\u5408\u7269\uff0c\u52a0\u70ed\u65f6\u7edc\u5408\u7269\u5206\u89e3\uff0c\u751f\u6210Cu2S\u6c89\u6dc0\u3002\u6eb6\u6db2\u9178\u5ea6\u964d\u4f4e\u65f6\uff0cCu2+\u4e0eCH3CSNH2\u751f\u6210Cu2S\u4e0eCuS\u7684\u6df7\u5408\u7269\u3002
\uff087\uff09Hg2+\u5728HCl\u6eb6\u6db2\u4e2d\u4e0e\u786b\u4ee3\u4e59\u9170\u80fa\u53cd\u5e94\u65f6\uff0c\u5e38\u751f\u6210\u4e00\u7cfb\u5217\u4e2d\u95f4\u4ea7\u7269\uff0c\u5e76\u51fa\u73b0\u4e0d\u540c\u989c\u8272\u7684\u6c89\u6dc0\u3002
\uff08\u4e8c\uff09 \u7528\u786b\u4ee3\u4e59\u9170\u80fa\u4f5c\u6c89\u6dc0\u5242\u65f6\uff0c\u5e94\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a
\uff081\uff09\u5e94\u9884\u5148\u9664\u53bb\u6c27\u5316\u6027\u7269\u8d28\uff0c\u4ee5\u514d\u90e8\u5206\u786b\u4ee3\u4e59\u9170\u80fa\u88ab\u6c27\u5316\u6210SO42-\uff0c\u4f7f\u7b2c\u56db\u7ec4\u9633\u79bb\u5b50\u5728\u6b64\u65f6\u6c89\u6dc0\u3002
\uff082\uff09\u786b\u4ee3\u4e59\u9170\u80fa\u7684\u7528\u91cf\u5e94\u9002\u5f53\u8fc7\u91cf\uff0c\u4ee5\u4fdd\u8bc1\u786b\u4ee3\u7269\u6c89\u6dc0\u5b8c\u5168\u3002
\uff083\uff09\u6c89\u6dc0\u4f5c\u7528\u5e94\u5728\u6cb8\u6c34\u6d74\u4e2d\u52a0\u70ed\u8fdb\u884c\uff0c\u5e76\u5728\u6b64\u6e29\u4e0b\u52a0\u70ed\u9002\u5f53\u957f\u7684\u65f6\u95f4\u4fc3\u8fdb\u786b\u4ee3\u4e59\u9170\u80fa\u7684\u6c34\u89e3\uff0c\u4ee5\u4fdd\u8bc1\u786b\u5316\u7269\u6c89\u6dc0\u5b8c\u5168\u3002
\uff084\uff09\u7b2c\u4e09\u7ec4\u9633\u79bb\u5b50\u6c89\u6dc0\u4ee5\u540e\uff0c\u6eb6\u6db2\u4e2d\u5c1a\u7559\u6709\u76f8\u5f53\u91cf\u7684\u786b\u4ee3\u4e59\u9170\u80fa\uff0c\u4e3a\u4e86\u907f\u514d\u88ab\u6c27\u5316\u800c\u4f7f\u7b2c\u56db\u7ec4\u9633\u79bb\u5b50\u8fc7\u65e9\u6c89\u6dc0\uff0c\u5e94\u7acb\u523b\u8fdb\u884c\u7b2c\u56db\u7ec4\u9633\u79bb\u5b50\u5206\u6790\u3002
\u751f\u4ea7\u65b9\u6cd5\u7f16\u8f91
\u4e59\u8148\u4e0e\u786b\u5316\u6c22\u53cd\u5e94\uff0c\u6216\u4f7f\u4e59\u9170\u80fa\u4e0e\u4e94\u786b\u5316\u4e8c\u78f7\u53cd\u5e94\u53ef\u5236\u5f97\u786b\u4ee3\u4e59\u9170\u80fa\u3002
\u7528\u9014\u7f16\u8f91
\u7528\u4e8e\u751f\u4ea7\u50ac\u5316\u5242\u3001\u7a33\u5b9a\u5242\u3001\u963b\u805a\u5242\u3001\u7535\u9540\u6dfb\u52a0\u5242\u3001\u7167\u76f8\u836f\u54c1\u3001\u3001\u67d3\u8272\u52a9\u5242\u548c\u9009\u77ff\u5242\u7b49\u3002\u4e5f\u7528\u4f5c\u805a\u5408\u7269\u7684\u786b\u5316\u5242\u3001\u4ea4\u8054\u5242\u3001\u6a61\u80f6\u52a9\u5242\u548c\u539f\u6599\u3002
\u9664\u6b64\u4e4b\u5916\uff0c\u4f7f\u7528\u786b\u4ee3\u4e59\u9170\u80fa\u65f6\u4e00\u5b9a\u8981\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u672c\u54c1\u80fd\u635f\u4f24\u809d\u810f\u3002
\u786b\u5316\u6c22\u6c14\u4f53\u5177\u6709\u6bd2\u6027\u548c\u81ed\u5473\uff0c\u5b9e\u9a8c\u65f6\u5e38\u7528\u65b0\u914d\u5236\u7684H2S\u9971\u548c\u6c34\u6eb6\u6db2\u6216\u786b\u4ee3\u4e59\u9170\u80fa\u4f5c\u4e3a\u4ee3\u7528\u54c1\u3002
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