一、苯巴比妥钠的制备: 我们用苯巴比妥与乙醇、金属钠来制备苯巴比妥钠,其操作如下: (一)原料: 苯巴比妥 45.60 金属钠 4.53 无水醇(99.2%以上,C P) 80.00 (二)制法: 用干净滤纸将金属钠表面的液体石蜡或其他保护剂拭净后切成薄片,分次加入装有80毫升无水醇的烧杯中,俟金属钠与乙醇反应完毕且溶液温度降至58℃ First, the preparation of phenobarbital sodium: We use phenobarbital and ethanol, sodium metal to prepare sodium phenobarbital, its operation is as follows: (a) raw materials: phenobarbital 45.60 sodium metal 4.53 anhydrous alcohol ( 99.2%, CP) 80.00 (B) system of law: with a clean filter paper metal sodium surface liquid paraffin or other protective agent after wiping net, cut into thin slices, added in portions with 80 ml of anhydrous alcohol beaker, The reaction between sodium and ethanol is complete and the solution temperature is lowered to 58 ° C