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liuna0524

木虫 (正式写手)

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the mixture  of primary amines from ZnCl2 was fractionated,and yielded,among other distillates, a fraction boiling between 230度 and 250度 。on redistilling this portion several times a primary amine was obtained boiling at 238度/762m.


leaving behind the zincichlorides of the primary amines,from which a mixture of these amino-compounds was obtained by treatment with warm concentrated sodium hydroxide solution. fractionation of the mixture of bases yielded 产物.
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沙发


liuna0524(金币+1,VIP+0):谢谢交流 11-30 20:51

ren911

木虫 (著名写手)

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liuna0524(金币+2,VIP+0):谢谢,还有一部分没翻译啊 11-29 21:19
liuna0524(金币+1):thanks 2010-02-08 12:42

沸茗楼台

新虫 (小有名气)


liuna0524(金币+1,VIP+0):非常感谢 11-29 21:20
liuna0524(金币+1):thanks 2010-02-08 12:42
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