Silica column - PowerPoint PPT Presentation

CAN YOUR HPLC COLUMN DO THIS ?

CAN YOUR HPLC COLUMN DO THIS ?. Type B SILICA TYPE-C SILICA . A Reverse Phase Chromatography Comparison of Unbonded Type B and Type C Silica HPLC Columns Using an Aqueous Mobile Phase. Flow rate: 1ml/mn Column: 75 x 4.6 mm id Isocratic

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以矽膠層析管含微量胺鹽修飾劑水性移動相之高效液相層析法分析鹼性藥品

以矽膠層析管含微量胺鹽修飾劑水性移動相之高效液相層析法分析鹼性藥品. 利用高效液相層析法，以矽膠層析管 (silica column) 含微量三乙基胺 ( 低於 0.07%, v/v) 及醋酸 ( 低於 0.05%, v/v) 之移動相，可以有效分析定量鹼性藥品。本方法可充分改善以矽膠層析管，含緩衝鹽類高 pH 值移動相或以逆向層析管之離子配對技術法分析時，分析時間冗長、波峰拖尾，不對稱及移動相配製、層析管及管道清洗費時之缺點。

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