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happyjoys

木虫 (职业作家)

看来还是楼上的说的更透彻,哈哈!
I love English , that's why I'm here ...
11楼2012-08-20 08:04:57
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lin.jianmei

金虫 (著名写手)

引用回帖:
10楼: Originally posted by xx小小xx at 2012-08-18 22:14:13
一般分离的原则是:
杂质多,待测物少的时候,将待测物分离富集
杂质少,待测物多的时候,将杂质分离除去

楼主这种做法是违法常理的,结果就是分离铁是极有可能造成铜的损失,由于铁多铜少,所以这种损失误差往 ...

明白了,谢谢你
12楼2012-08-20 10:56:05
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