Analysis of pollution levels of 7 antibiotics in the Wenyu river water of Beiyun River water system in Beijing after the pollution control: a preliminary study

An analytical method was developed for the determination of sulfonamides and quinolones and tetracyclines antibiotics in black-odor river by SPE-HPLC-DAD/FLD. Water sample was purified and concentrated by HLB cartridge, sediment sample was purified in tandem. In the analysis of water sample from the Wenyu river in Beijing contents by this method, antibiotic concentration of water was between 0.02~17.4μg/L. The results showed that antibiotic concentration in black and odorous water higher than those of surface water. The pollution by wastewater discharge and sediment release were the main ways that 7 target antibiotics entered the Wenyu River.