At various time intervals (e.g., 30 min) during photolysis, a 20 mL water sample was collected from the reactor using a peristaltic pump and transferred into a 20 mL amber vial.
At various time intervals (e.g., 30 min) during photolysis, a 20 mLwater sample was collected from the reactor using a peristalticpump and transferred into a 20 mL amber vial.