Separation of Some Anionic Dyes Using Reverse Micelles of CTAB and SDS as Efficient Surfactants Adsorbents from Aqueous Medium

Table 1

Physical properties of surfactants.

Name	Cetyltrimethylammonium bromide (CTAB)	Sodium dodecyl sulfate (SDS)
Molecular formula	[(C16H33)N(CH3)3]Br
Molecular weight	364.45	288.37
Types	Cationic	Anionic
Appearance	White	Light yellow
CMC	Lies in the range 0.88–1.5 mM (in water at 25°C) [15, 16]	8.2 mM (in water at 25°C) [17, 23]