ArticleEffect Of The Nature Of The Counterion On The Properties Of Anionic Surfactants. 4. Characterizing Micelles Of Tetraalkylammonium Dodecyl Sulfate As Reaction MediaZana, RaoulMicelles formed in water from tetramethyl-, tetraethyl-, tetrapropyl- and tetrabutylammonium dodecyl sulfate (TMADS, TEADS, TPADS, and TBADS, respectively) are characterized as reaction media. All of the results are identical in the presence or absenc . . .