interfacial tensions between coacervate and supernatant liquid , coacervate and two oils ( with and without one of two drugs , clofibrate and chlormethiazole ) and supernatant liquid and the oils ( +/- drug ) have been measured by a drop volume technique , in the presence and absence of one of three surfactants , cetrimide , sodium lauryl sulphate and hexadecyltrimethylammonium lauryl sulphate ( double salt ) .
C0037506
sodium lauryl sulphate
C0058632
lauryl sulphate