Ciprofloxacin (CIP) is a synthetic fluoroquinolone antibiotics
that are amphoteric due to consists of a bicyclic aromatic ring
skeleton with a carboxylic acid group (pKa = 6.1), a keto group, and
a basic-N-moiety(pKa = 8.89) which was selected to represent a
group of antibiotics in this study, is also one of the most frequently
detected fluoroquinolone antibiotics in the wastewater plant effluent
and in surface and ground waters