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Water Number of Nonionic Surfactants. II
Journal of Japan Oil Chemists' Society
Water titration method which is used for measuring the number of ml's of water (Water Number, or W.N.) required for making the system turbid by adding distilled water dropwise into a fixed quantity of a mixed solution of nonionic surfactant and solvent, was applied to several nonionic surfactants, such as those involving ester linkage, alkyl phenols, alkyl phenol-formalin resins and lower aromatic alcohols, and study was made for comparison of these samples. (1) Comparing the two mixeddoi:10.5650/jos1956.10.749 fatcat:srzeazss2faqlplgcxtudhhxem