石油醚

Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.

方法采用乙醇提取，石油醚脱脂，氯仿萃取，上聚酰胺柱得到高良姜素。

By using phenylfluorone photometer analysis,solution of germanium content in 2-octanol and petroleum was measured.

本文采用光酮分光光度法测定仲辛醇/石油醚溶液的含量。

Different solvent extractions of Spora Lygodii were obtained using methanol,chloroform and petroleum ether as medium.Experiments were carried out on them by FT-IR spectra.

以甲醇、氯仿、石油醚为提取溶剂,提取海金沙得到海金沙不同溶剂提取物,采用红外光谱(FT-IR)图谱鉴别法对提取物进行实验。