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huawen727

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huawen727: 金币+6, ★有帮助 2012-09-11 16:00:11
样品经盐酸简单处理后,用邻菲啰呤光度法分析亚铁离子,处理过程中尽可能避免氧化,比如所用水要煮沸除氧,盐酸必要时也可以蒸馏一次
同一份样品,处理后还原,氧化还原滴定,测定总铁
2楼2012-08-20 08:09:38
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