定电位电解法测定固定污染源硫化氢的研究  

Study on determination of hydrogen sulfide in fixed pollution source by constant potential electrolysis

作　　者：谢馨[1] 秦承华[2] Xie Xin;Qin Chenghua(Environmental Monitoring Center Station of Nanjing,Nanjing 210013;China National Environmental Monitoring Center,National Key Laboratory of Environmental Protection Environmental Monitoring Quality Control,Beijing 100012)

机构地区：[1]南京市环境监测中心站,江苏南京210013 [2]中国环境监测总站,国家环境保护环境监测质量控制重点实验室,北京100012

出　　处：《现代科学仪器》2018年第2期77-79,100,共4页Modern Scientific Instruments

摘　　要：基于定电位电解法测定固定污染源废气中硫化氢,通过实验室测试,准确度、精密度、检出限、响应时间、稳定性、重复性均能满足相关标准的要求。对于有修正模型的测试仪器,干扰测试结果也可满足相关标准的要求。现场测试,通过亚甲基蓝分光光度法和定电位电解法进行方法比对,对于不同行业,硫化氢测量结果符合规范要求。综上所述,定电位电解发测定硫化氢从工作原理、实验室测试、现场测试均满足新形势下环境管理要求。The determination of hydrogen sulfide in the exhaust gas of fixed pollution source based on constant potential electrolysis method,through laboratory tests,accuracy,precision,detection limit,response time,stability,and repeatability can all meet the requirements of the relevant standards.For test instruments with modified models,the test results can also meet the requirements of the relevant standards.In the field test,the methylene blue spectrophotometry and the constant potential electrolysis method were used to compare the methods.For different industries,the hydrogen sulfide measurement results meet the requirements of the specifications.To sum up,the determination of hydrogen sulfide by electrolysis of fixed potential meets the requirements of environmental management under the new situation from the working principle,laboratory test and field test.

关 键 词：定电位电解法 硫化氢 恶臭 

分 类 号：X831[环境科学与工程—环境工程]