gradient elution separation 梯度洗脱分离
Methods: The gradient elution mode was applied in chromatographic separation and data were analyzed to develop HPLC fingerprint analysis of Safflor Yellow.
方法：采用梯度洗脱的方法进行色谱分离，对各色谱峰进行数据处理，得出红花黄色素的指纹图谱。
MethodsChromatographic fingerprint of Semen Cassiae was investigated by RP-HPLC and the gradient elution mode was applied to chromatographic separation.
方法采用RP - HPLC法，梯度洗脱，研究决明子饮片的指纹图谱，并作相似度比较分析。
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