1·Under room temperature conditions, spinach was extracted with methanol-HCl (4:1 by vol), followed by a second extraction in methylene dichloride.
在室温条件下,采用体积比4∶1的甲醇和盐酸混合溶液提取,用二氯甲烷萃取。
2·The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.
一种清除口香糖残渣的清除剂由二硫化碳、二氯甲烷、乙酸乙酯、司班-80、环己酮及十二烷基苯磺酸钠及水组成。
3·Main methanol, ethanol, ethylene glycol, acetone, ethylene dichloride, methylene chloride, diethylene glycol.
主营甲醇,乙醇,乙二醇,丙酮,二氯乙烷,二氯甲烷,二乙二醇。