发明申请
US20110105806A1 METHOD FOR ELIMINATING COLOR FORMING IMPURITIES FROM NITRO COMPOUNDS 有权
消除由硝基化合物形成污染物的颜色的方法

METHOD FOR ELIMINATING COLOR FORMING IMPURITIES FROM NITRO COMPOUNDS
摘要:
A method for stabilizing nitro compounds against discoloration. The method comprises reacting nitro compounds containing color-forming impurities with nitric acid, neutralizing and washing the product, and distilling therefrom purified nitro compounds.
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