固相反射散射分光光度法测定亚硝酸根  

Determination of nitrous acid radical by solid-phase diffuse reflect spectrophotometry

作　　者：孟令晶[1] 李勇[1] 卢兵[1] 盛宏宇[1] 谢菊梅 

机构地区：[1]中国人民武装警察部队黄金第三支队,黑龙江哈尔滨150086

出　　处：《化学工程师》2010年第5期28-30,共3页Chemical Engineer

摘　　要：本文研究了NO_2^-与对氨基苯磺酸起重氮化反应,再与盐酸萘乙二胺偶合成红色染料,利用阳离子交换树脂富集后,用固相分光光度法测定NO_2^-,与液相比较,灵敏度和精密度提高,分析结果满意。Diazo reaction was reacted from NO2- with anilinesulfonic acid, and then red dye was obtained by coupling with N -（1 -naphthyl） ethylenediamine dihydrochloride. The product was determined by solid phase spectrophotography after cation exchange resin enrichment. The sensitivity and precision were advanced comparing to liquid phase spectrophotography. The results were satisfied.

关 键 词：阳离子交换树脂 富集 固相分光光度法 

分 类 号：X131.2[环境科学与工程—环境科学]