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本文报道了应用反相液相色谱法测定注射剂中的羧苄青霉素(carbenicillin)和替卡西林(ticarcillin,羧噻吩青霉素)。该法选用ODS不锈钢色谱柱(30cm×3.9mm),以含有0.01mol/L乙腈的磷酸二氢钾(12+88v/v)为流动相,在225nm处检测。用丙硫脲作内标。
This article reports the determination of carbenicillin and ticarcillin (ticarcillin) in injection by reverse-phase liquid chromatography. This method uses ODS stainless steel column (30cm × 3.9mm), with potassium dihydrogen phosphate (12 + 88v / v) containing 0.01mol / L acetonitrile as the mobile phase and detecting at 225nm. With propylthiourea as internal standard.