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液氨的化學性質
來源: | 作者:108tuoyuan | 發布時間: 2018-05-16 | 2216 次瀏覽 | 分享到:
理化性質
式:NH?
量:17.04
氣氨相密度(空氣=1):0.59
液氨相密度(水=1):0.602824(25℃)
熔點(℃):-77.7
沸點(℃):-33.4 1%
水溶液pH值:11.7
自燃點:651.11℃
CAS編號:7664-41-7
危險貨物編號: 23003
爆炸極限:16%~25%
比熱kJ(kg·K):氨(液體)4.609 、氨(氣體)2.179
蒸氣壓:882kPa(20℃)
存自偶電離:2NH3?NH4+ +NH2-液氨NH?Cl酸NaNH?堿

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