火焰原子吸收法测定废水中溴化十四烷基吡啶  

Determination of Tetradecyl Pyridyl Bromide in Waste Water by Flame Atomic Absorption Spectrometry

作　　者：张继伦 李华斌 姚廷伸[1,2,3] 

机构地区：[1]上海浦东新区卫生防疫站 [2]中国科学院生态环境研究中心国家重点环境水化学实验室 [3]四川师范大学化学系

出　　处：《卫生研究》1998年第4期246-247,共2页Journal of Hygiene Research

基　　金：四川省科委资助

摘　　要：建立了溴化十四烷基吡啶（ＴＰＢ）的火焰原子吸收（ＦＡＡＳ）间接测定方法。ＴＰＢ与硫氰酸镉形成的离子对缔合物，被萃取入二甲苯内，ＦＡＡＳ测萃取二甲苯中镉的吸光度，间接测定ＴＰＢ。ＴＰＢ的线性范围为０．０３～０．８０ｍｇ／Ｌ，灵敏度为０．０２１２ｍｇ／Ｌ·１％。用于废水测定时，加标回收率为９８％～１０４％，相对标准偏差小于９．１６％。indirect method for the determination of tetradecyl pyridyl bromide (TPB) was established(TPB) by flame atomic absorption spectrometry(FAAS). TPB was combined with cadmium tetrathocyanate to make neutral ion association compounds, which are extracted into xylene. The concentration of TPB can be indirectly determined by the absorption of cadmium in xylene layer with flame atomic absorption spectrometry. The linear range of TPB is 0 03～0 80 mg/L. The sensitivity is 0 0212 mg/L·1%. When the method was applied to the analysis of waste water, the recovery is from 98% to 104% and the RSD is less than 9 16%.

关 键 词：废水 TPB 溴化十四烷基 吡啶 火焰原子吸收法 

分 类 号：X703[环境科学与工程—环境工程]