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单词 Nickel nitrate
释义

Nickel nitrate

中文百科

硝酸镍 Nickel(II) nitrate

(重定向自Nickel nitrate)

硝酸镍,化学式Ni(NO3)2

硝酸镍是一种绿色单斜结晶,有吸潮性,在潮湿空气中迅速潮解,在干燥空气中稍微风化。易溶于水、氨水、液氨、乙醇,微溶于丙酮,水溶液呈酸性。受热时失去4个结晶水,温度高于110°C时分解为碱式盐,继续加热则分解为棕黑色三氧化二镍和绿色氧化亚镍的混合物。有毒,有致癌性。与有机物接触可引起燃烧和爆炸。

英语百科

Nickel(II) nitrate 硝酸镍

(重定向自Nickel nitrate)

Nickel nitrate is the inorganic compound Ni(NO3)2 or any hydrate thereof. The anhydrous form is not commonly encountered, thus "nickel nitrate" usually refers to nickel(II) nitrate hexahydrate. The formula for this species is written in two ways. Ni(NO3)26H2O and, more descriptively [Ni(H2O)6](NO3)2. The latter formula indicates that the nickel(II) center is surrounded by six water molecules in this hydrated salt. In the hexahydrate, the nitrate anions are not bonded to nickel. Also known are three other hydrates: Ni(NO3)29H2O, Ni(NO3)24H2O, and Ni(NO3)22H2O. Anhydrous Ni(NO3)2 is also known.

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更新时间:2025/6/21 0:36:57