水溶性硫化铅纳米粒子的合成及应用于汞离子检测  

Synthesis of Lead Sulfide Nanoparticles and Its Application in Mercury Ion Detection

作　　者：龙云飞[1] 

机构地区：[1]中南大学化学化工学院,长沙市麓山南路932号410083

出　　处：《光谱实验室》2011年第3期1491-1493,共3页Chinese Journal of Spectroscopy Laboratory

基　　金：中南大学博士后启动基金(743410151);中国博士后基金资助(2008044990);湖南省自然科学基金(09JJ6021)

摘　　要：室温下以柠檬酸三纳为稳定剂,在水相中合成了PbS纳米粒子(NP-PbS)。用共振光散射技术(RLS)探索了最佳条件下,体系RLS强度(IRLS)与汞离子浓度在0.001—10μmol/L测定区间内呈现良好的线性(r=0.9941),据此,建立了测定水中的微量汞的方法。方法的检出限为0.6nmol/L,样品加标平均回收率为100.35%。The PbS nanoparticles were synthesized in the aqueous phase with citrate as the stabilizer under room temperature.There was a good linear relationship between the intensity of resonance light scattering with concentration of mercury ion in the range of 0.001—10μmol/L with a detection limit of 0.6nmol/L（r=0.9941）,and base on which the method for determination of trace mercury was established,and the average recovery was 100.35%.

关 键 词：硫化铅 纳米粒子 共振光散射 汞离子 

分 类 号：O657.32[理学—分析化学] X131.2[理学—化学]