Ethylene glycol diacetate was synthesized from ethylene glycol and acetic acid with ferric chloridehydrate as catalyst. The yield of ester was 92% under the optimum condition.
利用氯化铁水合物为催化剂，从乙二醇和冰醋酸制备了二乙酸乙二醇酯，在最佳条件下其收率达92%。
3
At present, electric resistance, chloride ion concentration anomaly, chloride ion profile and acoustic impedance logging data can be used to predict the gas hydrate saturation.