金纳米粒子对降解对硝基苯胺的催化作用研究  

Catalysis of Gold Nanoparticles and on the Degradation of p-Nitroaniline

作　　者：党珍珍 纪得勇 田锐[1,2] 马红燕 

机构地区：[1]延安大学化工学院 [2]延安市分析技术与检测重点实验室,陕西延安716000

出　　处：《延安大学学报（自然科学版）》2017年第4期72-75,共4页Journal of Yan'an University：Natural Science Edition

基　　金：国家大学生创新训练计划项目(201610719033);延安大学博士科研启动项目(YDBK2017-05);延安大学青年专项项目(YDK2015-58)

摘　　要：对金纳米粒子对硼氢化钠还原降解对硝基苯胺的催化作用进行了研究,建立了催化还原降解硝基苯类污染物的新方法。实验考察了金纳米粒子量、硼氢化钠浓度以及体系pH等因素对降解速率的影响。实验结果表明,在0.6 mL 3.0 nmol/L纳米金,3.0 mg/mL硼氢化钠和BR缓冲溶液(pH=5)的条件下共同作用,0.6 mL 1.0 mg/m L对硝基苯胺的降解率在10 min内可达92.2%。A new method for gold nanoparticles catalytic sodium borohydride reductive degradation of nitrobenzene pollutants were established.The experimental conditions such as the amount of gold,the concentration of sodium borohydride and the p H of the system on the degradation rate were investigated.The results showed that the degradation rate of 0.6 mL 1.0 mg/mL p-nitroaniline was up to 92.2 % in 10 min under the condition of 0.6 mL 3.0 nM gold nanoparticles,0.6 mL 3.0 mg/mL sodium borohydride in weak acid solution.

关 键 词：金纳米粒子 硼氢化钠 对硝基苯胺 

分 类 号：O656.9[理学—分析化学]