It was soon replaced by chloroform.
久它被氯所代替。
It was soon replaced by chloroform.
久它被氯所代替。
Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.
方法采用乙醇提取,石醚脱,氯萃取,上聚酰胺柱得到高良姜素。
It dissolves in hot grease, paraffine, ethanol, chloroform, acetone and aether, but is insoluble in water.
该产品溶水,热溶、石蜡、乙醇、氯、丙酮、乙醚。
Chloroform being solvent,under bath heat,4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.
用氯作溶剂,在浴温条件下,4羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。
However, chlorin will interact with the organics remained in the water and form halohydrocarbon, chloroform and other cancer-causing toxic compounds.
但同时,氯与水中残留的有机物相互作用,会形成卤代烃、氯等有毒的致癌化合物。
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、石醚为提取溶剂,提取中药材海金沙得到海金沙同溶剂提取物,采用红外光谱(FT-IR)图谱鉴别法对提取物进行实验。
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