醋酸可的松眼药水质量不稳定,容易结块。影响结块的因素有以下几方面。一、微粒的大小和均匀性本品中虽加有界面活性剂和助悬剂,改变了微粒的分散状态和沉降速度,但药液中的微粒常因重力作用而下沉。根据下述斯托克定律 Cortisone eye drops of acetic acid are unstable in quality and easily agglomerate. Affect the caking factors are the following aspects. First, the particle size and uniformity Although this product is added surfactant and suspending agent, changing the particle dispersion and sedimentation rate, but the liquid particles often due to gravity and sink. According to the following Stoker’s law