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1、呋 喃 甲 醇 和 呋 喃 甲 酸 的 制 备 实验目的实验目的l 学习由呋喃甲醛制备呋喃甲醇与呋喃学习由呋喃甲醛制备呋喃甲醇与呋喃 l 甲酸的原理和方法,从而加深对甲酸的原理和方法,从而加深对 l Cannizzaro Cannizzaro反响的认识反响的认识 l 掌握萃取、蒸馏包括高沸点物蒸馏掌握萃取、蒸馏包括高沸点物蒸馏等操作技能等操作技能实验原理实验原理实验步骤实验步骤本卷须知本卷须知 发生歧化反响一定要注意控制好温度发生歧化反响一定要注意控制好温度,保持保持8-128-12 酸化时,酸量一定要加足、保证酸化时,酸量一定要加足、保证PH=3,PH=3,使呋喃甲酸充分游离出来使呋喃甲酸充
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