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The author has 2 posts.

制取氢氧化铁胶体需要往蒸馏水里加入饱和氯化铁溶液,然后煮沸。

Floor 1 HSbF6Onizuka 7/16/12 14:04
Floor 2 HSbF6Onizuka 7/16/12 14:05
好像是这样。

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