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鉴别磷肥和钾肥的简易方法
更新时间： 2021-05-30 04:56:00  

磷肥为灰白色固体，而氨态氮肥和钾肥为白色固体，所以先通过观察颜色可以鉴别磷肥；氨态氮肥碱会放出氨气，氨气有刺激性气味，所以另外两种固体分别与熟石灰研磨，有刺激性气味气体放出的为铵态氮肥，没有刺激性气味气体放出的是钾肥。

关键词： 鉴别 磷肥 钾肥 简易 方法

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