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高含盐水中酸性高锰酸盐指数法的干扰规律研究
INTERFERENCE PATTERNS IN THE DETERMINATION OF ACID PERMANGANATE METHOD
【摘要】 研究了酸性高锰酸盐指数测定中Cl-、NO、Cr(Ⅵ)等的干扰规律,并建立了干扰方程。提出了用计算法消除上述干扰的实验方法。该方法应用于环境监测,可提高监测结果的准确度。且简便省时,尤其适用于高含盐水(如海水)中酸性高锰酸盐指数的测定。
【Abstract】 Interference equations of Cl ̄-、NO and Cr(Ⅵ) in the determination of acid permanganate method (CODMn)are established. An experimental method by which the above-mentioned interference substances can be eliminated is proposed. If this method is applied to environmental test, the accuracy of testing results will be improved. The method is simple, time-saving and very suitable for the determination of acid CODMn in heavy-salt-bearing water.
- 【文献出处】 石油大学学报(自然科学版) ,JOURNAL OF THE UNIVERSITY OF PETROLEUM,CHINA , 编辑部邮箱 ,1996年06期
- 【分类号】O611
- 【被引频次】1
- 【下载频次】114