应用领域:环境水/废水/饮用水
检测样品:废水
检测项目:溶解气体
200 ml sample (measuring cylinder; for chlorine concentrations > 2 mg/l use less sample and fill up with dist. water to 200 ml) are filled into a 250 ml beaker. Add 1 ml KI solution and 1 ml buffer solution pH = 4.0 and titrate with the phenylarsine oxide to an equivalence point (potentiometry) or μA endpoint (amperometry)