电感耦合等离子体质谱法测定亚磷酸中铬  

Determination of chromium in phosphorous acid by ICP-MS

作　　者：李新丽[1] 徐晓萍[1] 唐健[1] 贾涛[1] Li Xinli;Xu Xiaopin;Tang Jian;Jia Tao(Jiangsu physical and chemical testing center,Nanjing 210023,China)

机构地区：[1]江苏省理化测试中心,江苏南京210042

出　　处：《现代科学仪器》2020年第4期54-55,共2页Modern Scientific Instruments

摘　　要：研究了利用电感耦合等离子体质谱法(ICP-MS)测定亚磷酸中铬的方法,检出限为2μg/kg,精密度RSD<3%,回收率90%~105%。该法简单快速、准确灵敏,能对亚磷酸中铬的进行准确测定。In this study,a method for the determination of chromium(Cr)in phosphorous acid samples was established using by inductively coupled plasma mass spectrometry(ICP-MS).The limit of detection(LOD)was 2.5μg/kg,with RSD<3%,and the recoveries were in the range of 90%−105%.The method is simple,rapid,accurate and sensitive.The method can be used for accurate determination of chromium in phosphorous acid by ICP-MS.

关 键 词：亚磷酸 铬 ICP-MS法 

分 类 号：TQ13[化学工程—无机化工]