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jiawang89

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yb347

木虫 (正式写手)

好吧  我看错了  这个生成的是3+的锰盐
6楼2014-10-30 10:58:50
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linan521

银虫 (初入文坛)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
jiawang89: 金币+30, ★★★很有帮助 2013-06-03 14:58:46
用磷酸氢铵 和二氧化锰加热合成,看看其合成温度,看看相图,二氧化锰和五氧化二磷
2楼2013-05-28 15:37:21
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jiawang89

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3楼2013-06-03 14:58:28
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cjzn2010

铁杆木虫 (正式写手)

技术没有,来公司要更努力啊。。

[ 发自手机版 http://muchong.com/3g ]
现实逼迫的我们身不由己!!!学无止境!!!
4楼2013-06-03 16:07:25
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