摘要
根据氯和二氧化氯与碘化钾反应生成碘，而碘在４６０ｎｍ波长下有最大吸收峰的特点，提出了快速测定氯和二氧化氯的方法，并对其测定方法、范围及离子干扰等进行了研究．结果表明，在中性及酸性条件下，其吸光度与浓度之间有显著的线性关系，用３ｃｍ比色皿可测定０．４～３５ｍｇ／Ｌ范围内氯的浓度，可测定０．１６～１３ｍｇ／Ｌ范围内二氧化氯的浓度．
A quick method for determination of chlorine and chlorine dioxide has been proposed,which proceeds from the characteristic that iodine solution has the largest absorbency under 460 nm, and its process, range and ion interference have been studied. The experimental results indicate a notable linear relation between absorbenty and concentration. Concentration of chlorine can be determined in the range from 0.4 to 35 mg/L. Concentration of chlorine dioxide can be decided in the range from 0.16 to 13 mg/L by using 3 cm cell.
出处
《华东交通大学学报》
1998年第2期43-47,共5页
Journal of East China Jiaotong University
