直链烷基苯磺酸中游离油组分的定量分析与分离

Quantitative Determination Separation of Free Oil Components in Linear Alkylbenzene Sulfonic Acid

本文描述了用液固相提取技术分离直链烷基苯磺酸中所含的直链烷基苯（ＬＡＢ）和砜类。该方法与通常的液－液萃取法相比耗时少且更易于操作。

A liquid-solid extraction technique is described for the separation of LAB(linear alkylbenzene) and sulphones contained in a linear alkylbenzene sulfonic acid. This method is less time consuming and easier to carry out than the usual liquid-liquid extraction. Abstract The reasons about drying skin were introduced in this paper.The substances used to maintain the skin water content include moisturizers, emollients and moisturizing agents of functioning in the skin deep layers, and the principle of moisturizing was expounded respectively.