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Simultaneous Determination of Sulfamonomethoxine Sodium and Trimethoprim in Compound Sulfamonomethoxine Sodium Solution by HPLC
Author(s): 
Pages: 27-29
Year: Issue:  11
Journal: Chinese Journal of Veterinary Drug

Keyword:  磺胺间甲氧嘧啶钠甲氧苄啶高效液相色谱;
Abstract: 采用HPLC法同时测定复方磺胺间甲氧嘧啶钠溶液中磺胺间甲氧嘧啶钠和甲氧苄啶的含量.色谱柱为Kromasil C18柱(250 mm x4.6 mm,粒径5 μm),流动相为0.02 mol/L磷酸溶液-甲醇(80:20,V/V),检测波长270 nm,流速1.0 mL/min,柱温30℃.在10~500μg/mL浓度范围内,磺胺间甲氧嘧啶钠和甲氧苄啶均呈线性关系.平均回收率分别为99.25%和99.76%.该法准确可行,适用于同时检测复方磺胺间甲氧嘧啶钠溶液中磺胺间甲氧嘧啶钠和甲氧苄啶的含量.
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