Adsorption 1 Adsorption process 1 Alkalinity 1 Amines 1 Ammonium cations 1 Biophysics 1 Cellulose 1 Cotton balls 1 Fourier transform infrared spectroscopy 1 Lauryl sodium sulphate 1 Modified cellulose 1 Nuclear magnetic resonance 1 Nuclear magnetic resonance spectroscopy 1 Positive ions 1 Quaternary ammonium 1 Quaternary ammonium cation 1 Scanning electron microscopy 1 Sodium dodecyl sulfate 1 Sulfur compounds 1 Surfactant: sodium dodecyl sulfates 1 Synthesised 1 Tertiary amine 1 Thermoanalysis 1 X ray photoelectron spectroscopy 1 adsorption 1 anionic surfactant 1 lauryl sodium sulfate (SDS) 1 modified cellulose 1 quaternary ammonium cation