分光光度法和离子色谱法测定固定源废气中氨的比对研究  

Comparitive Study of Spectrophotometry and Ion Chromatography for the Determination of Ammonia in Fixed Sources

作　　者：王琼 徐欢 Wang Qiong;Xu Huan(Weinan Environmental Protection Monitoring Station,Weinan 714000,China)

机构地区：[1]渭南市环境保护监测站,陕西渭南714000

出　　处：《山东化工》2024年第18期139-141,149,共4页Shandong Chemical Industry

摘　　要：采用离子色谱法和分光光度法测定固定源中的氨,比对研究两种方法的测定原理,标准曲线和检出限。结果表明,两种方法对标准样品和实际样品的分析测定均能达到质控要求,测定结果基本一致,精密度和准确度离子色谱法优于分光光度法,且离子色谱法方便便捷,污染物少,结果准确可靠,可同时测定多种阳离子。Ion chromatography and spectrophotometry were used to determine ammonia in pollution sources,and the determination principles,standard curves,and detection limits of the two methods were compared and studied.The results show that both methods can meet the quality control requirements for the analysis and determination of standard and actual samples,and the determination results are basically consistent.The precision and accuracy of ion chromatography are better than those of spectrophotometry.Moreover,ion chromatography is convenient and convenient,with fewer pollutants,accurate and reliable results,and can simultaneously determine multiple cations.

关 键 词：纳氏试剂分光光度法 离子色谱法 固定源 氨 比对 

分 类 号：X831[环境科学与工程—环境工程]