Study cm Determination of Trace Manganese by Catalytic Kinetic Discoloring Spectrophotometry
Author(s): WANG Xiao-ling, ZHANG Ping, SUN Jia-juan, SHANG Yong-hui
Pages: 30-32
Year: 2009 Issue: 6
Journal: Journal of Xianyang Normal University
Keyword: 催化动力学光度法; 锰; 铬黑T; 高碘酸钾;
Abstract: 研究了在NH3·H2O-NH3Cl介质中,Mn(Ⅱ)催化高碘酸钾氧化铬黑T褪色反应的适宜条件,讨论了反应的动力学参数,建立了测定痕量锰的新体系.方法的检出限为2.45×10-9g/mL,线性范围为0～0.3μg/25mL.用于茶叶中痕量锰的测定,结果满意.
Pages: 30-32
Year: 2009 Issue: 6
Journal: Journal of Xianyang Normal University
Keyword: 催化动力学光度法; 锰; 铬黑T; 高碘酸钾;
Abstract: 研究了在NH3·H2O-NH3Cl介质中,Mn(Ⅱ)催化高碘酸钾氧化铬黑T褪色反应的适宜条件,讨论了反应的动力学参数,建立了测定痕量锰的新体系.方法的检出限为2.45×10-9g/mL,线性范围为0～0.3μg/25mL.用于茶叶中痕量锰的测定,结果满意.
Related Articles