The paper explains process, appliances and operational method of preparation Neoichthammol a substitute for Ichthammolum.
叙述了制备鱼石脂的代用品硫桐脂磺酸铵的工艺流程、仪器设备和操作方法 ,对配比和工艺条件进行了优化和筛选 ,试验成果已在实际生产中应
