英语语法分析

The sample was chromatographed on macroreticular resins (DA-201), the disturbing ingredients were washed with water and 15% alcohol, and elutriant with 70% alcohol was determined by HPLC.

采用大孔吸附树脂（DA-201）吸附样品，以水、15％乙醇洗脱除去干扰成分，以70％乙醇洗脱液用于HPLC测定。