In alkylphenols we selected five different
types of compounds i.e., 4-n-butylphenol (4-BP), 4-s-butylphenol
(4-s-BP), 4-tert-butylphenol (4-t-BP), 4-tert-octylphenol (4-t-OP),
and 4-n-nonylphenol (4-NP). In mono-aromatic hydrocarbons phenol
(phe) and 4-chlorophenol (4-CP) were selected.