医院药房配制大量注射液剂,一般多采用滤纸绸布过滤,有时虽反覆滤过多次,溶液仍不能达到应有的纯净。装瓶时因有空气接触,分装后,瓶子虽用硫酸纸和纱布盖口,但经高热后瓶内因气压的改变,往往空气中杂质混入瓶中或封口破裂,致使很多制成品不合标准。不但浪费时间人力,影响供应;同时也妨 The hospital pharmacy preparation of a large number of injection, the general use of filter paper silk filter, and sometimes though repeatedly filtered several times, the solution still can not achieve the desired purity. Bottled due to air contact, after dispensing, although the bottle covered with sulfuric acid paper and gauze, but after the high pressure after the bottle due to pressure changes, often mixed with air impurities in the bottle or seal rupture, resulting in many substandard products . Not only was it a waste of time and manpower, affecting the supply;