工作场所空气中氨气快速检测管研制及应用性能  

Development and Application Performance of Rapid Detection Tube for Ammonia in Workplace Air

作　　者：钟依婷 江鑫 李可心[1] 颜流水[1] ZHONG Yiting;JIANG Xin;LI Kexin;YAN Liushui(School of Environmental and Chemical Engineering,Nanchang Hangkong University,Nanchang 330063,China;Jiangxi Academy of Emergency Management Science,Nanchang 330030,China)

机构地区：[1]南昌航空大学环境与化学工程学院,南昌330063 [2]江西省应急管理科学研究院,南昌330030

出　　处：《理化检验(化学分册)》2025年第4期448-452,共5页Physical Testing and Chemical Analysis(Part B:Chemical Analysis)

摘　　要：通过对氨气快速检测管制备方法的改进、氨气发生模拟箱的搭建、氨气的配制及质量浓度的标定、气体采样装置的搭建等,建立了一种快速检测工作场所空气中氨气的新装置和新方法。所研制的氨气快速检测管,在吸附氨气前后的颜色变化极为明显,变色界面整齐、清晰,有利于裸眼检测,并且颜色变化非常迅速,检测过程仅需100 s。结果显示,氨气的质量浓度在1.6~69.7 mg·m^(-3)内与检测管变色长度呈线性关系。氨气快速检测管的变异系数均小于10%,测定值的相对误差的绝对值均不大于15%,精密度和准确度符合国家标准GB/T 7230—2008中的要求。氨气快速检测管的稳定性良好,可在室温条件下稳定保存6个月。Through the improvement of the preparation method of the ammonia rapid detection tube,the construction of the ammonia generation simulation chamber,the preparation and calibration of the mass concentration of ammonia,and the construction of the gas sampling device,a new device and method for the rapid detection of ammonia in the air of workplaces were established.The developed ammonia rapid detection tube was showed extremely obvious color changes before and after adsorbing ammonia.The discoloration interface was neat and clear,which was beneficial for naked-eye detection,and the color change was very rapid and the detection process only took 100 s.As shown by the results,linear relationship between the discoloration length of the detection tube and mass concentration of ammonia was kept in the range of 1.6-69.7 mg·m^(-3).The coefficients of variation of the ammonia rapid detection tubes were all less than 10%,and the absolute values of the relative errors of the determined values were all not more than 15%.The precision and accuracy were met the requirements specified in the national standard GB/T 7230—2008.The ammonia rapid detection tubes had good stability and could be stably stored at room temperature for 6 months.

关 键 词：氨气 检测管 快速检测 工作场所空气 

分 类 号：O657.32[理学—分析化学]