Assaypreparation - Weigh and finely powder not less than 20tablets.
测定准备：称取不少于20片的细粉。
2
Using chemical cleaning, according to the different actual conditions and water quality, please scale scale by qualitative analysis assaypreparation medicament cleaning, respectively.
采用化学清洗板式热交换器时，要根据实际请况和水质的不同所结垢的垢质进行分析化验分别配制药剂清洗。
3
Conclusion The method was convenient, selective and reproducible, and it can be used for assay of azithromycin materials and its preparation.