异烟酸-吡唑啉酮光度法测定废水中氰化物的改进  

Improvement of spectrophotometric determination of cyanide in waste water by isonicotinic acid-pyrazolone

作　　者：李小燕 LI Xiaoyan(PetroChina Ningxia Petrochemical Company,Yinchuan Ningxia 750026,China)

机构地区：[1]中国石油宁夏石化公司,宁夏银川750026

出　　处：《石油化工应用》2019年第1期115-118,120,共5页Petrochemical Industry Application

摘　　要：本文在现用方法的基础上,通过实验进一步优化和改进分析条件,从实验结果可以看出,改进后的分析方法提高了废水中氰化物含量测定结果的准确度和精密度。On the basis of the present method, the analytical conditions are further optimized and improved through experiments. It can be seen from the experimental results that the accuracy and precision of the determination results of cyanide content in waste water can be improved by the improved analytical method.

关 键 词：异烟酸-吡唑啉酮分光光度法 氰化物含量 改进 

分 类 号：TE622.14[石油与天然气工程—油气加工工程]