In order to find out urinary stone s chemical constituents in Suzhou area,several random samples taken out by operation were analyzed using titration method,FTIR,XRD and the other methods.

• 为了解本地尿路结石的主要化学成分,我们随机抽取手术取出的尿石,采用滴定法、红外光谱(FTIR)和X射线衍射(XRD)等方法进行分析。