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/油醚溶液中锗的含量。

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

方法采用乙取，油醚脱脂，氯仿萃取，上聚酰胺柱良姜素。

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、氯仿、油醚为取溶剂,取中药材海金沙海金沙不同溶剂取物,采用红外光谱(FT-IR)图谱鉴别法对取物进行实验。