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枫林雪痕

金虫 (小有名气)

[求助] 酸处理河沙的原因

请问在做小颗粒物质的淋溶实验时,在文献上看到用10%的硝酸进行处理,对填柱的河沙采用硝酸处理的原因是什么,有什么作用,改用盐酸可以吗

[ Last edited by 枫林雪痕 on 2013-12-4 at 10:41 ]
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刘兵

铁杆木虫 (著名写手)

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stormxuhao: 金币+1, 积极回复 2013-12-04 13:40:52
这不是洗沙嘛,吗沙粒表面或内部的有机物等去除,以防止对实验结果产生影响。
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2楼2013-12-04 11:39:47
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