石油醚

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

本文采用苯基荧光酮分光光度法测定仲辛醇/油醚溶液中锗的含量。

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

方法采用乙醇，油醚脱脂，氯仿萃，上聚酰胺柱得到良姜素。

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、油醚为溶,中药材海金沙得到海金沙不同溶物,采用红外光谱(FT-IR)图谱鉴别法对物进行实验。