Total Residual Free Chlorine (Cl)

Ofloxacin, 100µg/ml in Acetonitrile, 5ml

Ciprofloxacin, 1000µg/ml in 0,1mol/l HCl, 1ml

m-Quarterphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1166-18-3