Turbidity and viscosity measurements on some cationic detergents in water and in sodium chloride solutions

Abstract

LiQ'ht-scatterin g a nd viscosity m easurem e nts were made on solu tions o f thr ee catio ni c d eterge~lt~ in di s tilled water and ill var ious solutions of sod iu m chlorid e. The d cterp;ents 'YC1'e dodeeyla mill e hydrochloride, dodecy lt l"lll1 l'th.v la Il1ll10 nlulll chlo l"ld e, a nd tctmdecyltr im ethvlanlmo lliul11 chl ori de. The fi r st of these \\'as investigated at 30 C a nd t he othe rs at 23 C. The mi cell ar we ig ht a nd t he in t rin sic viscosity of t he micelles of eaell detergent \\'ere calc ulated, a nd t he d epe nde nce of tiWSl' quantities on t he concentration o f sod ium c hl oride is d iscusspd .