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yifeng1206

铁杆木虫 (著名写手)

翻译EPI: 21
应助: 75 (初中生)
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虫号: 734148
注册: 2009-03-29
性别: MM
专业: 生物材料

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大本虫: 金币+35, 翻译EPI+1, ★★★很有帮助 2015-12-06 16:58:47

The solid materials, who will soon be deposited, was separated by filtering. It weighed 5 gr., and contained, furthermore a little of symmetric trichloroaniline, the colorful accessory products.
We poured the mother-liquor into a grand quantity of water, who provide a flocculent precipitate, slightly colored, weighted 19 gr. This product was a mixture of symmetric trichloroaniline (18 gr.), melting point at 78 °, and dichlorineobenzoic acid (1 gr.). By heating with caustic lye, the acid was dissolved, while melt trichloroaniline was driven in part by the water vapor. After cooling and filtration, we get dichloraminobenzoique acid by acidification of the filtrate. It is not totally colorless. Here is the analyses of the product.

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