Table 1: List of surfactants used in the present work.

FormulaTruncated representationCompany

(a) Anionic surfactant
 Sodium dodecyl sulfateC12H25NaSO4SDSWako
 Sodium laurateC12H23NaO2SLTokyo Kasei
 Sodium 1-dodecanesulfonateC12H25NaO3SSD Tokyo Kasei

(b) Cationic surfactant
 Hexadecyltrimethylammonium bromideC19H42BrNCTABWako
 Hexadecyltrimethylammonium chlorideC19H42ClNCTACTokyo Kasei
 Trimethylstearylammonium chlorideC21H46ClNTSACTokyo Kasei
 1-Dodecylpyridinium chlorideC17H30ClNDODACTokyo Kasei

(c) Amphoteric surfactant
 Tetradecyldimethyl(3-sulfopropyl)-ammonium hydroxide inner saltC19H41NO3STDDSATokyo Kasei
 Hexadecyldimethyl(3-sulfopropyl)-ammonium hydroxide inner saltC21H45NO3SHDDSATokyo Kasei