HCl in THF or dioxane怎么做? 乙酰氯低温下滴到甲醇里面得到氯化氢甲醇溶液,别的可以把一定量甲醇加入别的溶剂中,低温滴加乙酰氯。 你这里面还有酰氯和甲醇反应的乙酸甲酯吧! 三氯化磷滴加到浓盐酸里、浓硫酸滴加到浓盐酸里、浓硫酸滴加到氯化钠里等等,都可以制备氯化氢,然后经浓硫酸干燥以后通入溶剂中 查看更多
每日翻译 英译汉 2012.01.30(周一)? [hide]/ this year red envelopes, the lucky money given to children as lunar new year gifts,were inflated with the pace of price hiking, causing post-70s and -80s parents required to give red envelopes to have a miserable beginning of the year.[ /hide] 试一下,好像隐藏功能和从前不一样了 查看更多