是不是接收器,适配器,及冷凝器?
看看照片确实明确很多
sin2008 发表:看化学部分甲醛测试时,有些不懂,
Add 50ml of water and 3 ml of phosphoric acid solution , then, distillate with steam after putting 10~20ml of water in the receptor so that the adapter of cooler may be immersed in water.
这里用到的萃取仪器是怎么样的一起呢? 就是文中的 receptor,adapter 和 cooler?
请高手指教。