摘要
基于0.08mol/L的H2SO4介质中,痕量钒(V)催化高碘酸钾氧化偶氮胂M的褪色反应,建立了测定痕量钒(V)的催化动力学光度法。方法检出限为0.17μg/L,线性范围为0.0~8.0μg/L。用于测定食品中的痕量钒(V),结果满意。
Based on the catalytic effect of trace vanadium (V) on discoloring reaction of arsenazo M with potassium periodate in 0.08 mol·L^-1 sulphuric acid solution, a method for the determination of trace vanadium(V) by kinetic spectrophotometry was studied. The detection limit is 0.17μg· L^-1 and the linear range of determination is 0.0~8.0 μg· L^-1 for vanadium(V). The method has been applied to the determination of trace vanadium(V) in foods samples with satisfactory results.
出处
《食品研究与开发》
CAS
北大核心
2006年第3期92-94,共3页
Food Research and Development
基金
东华理工学院院长基金资助项目(DHY0449)
关键词
钒(V)
动力学光度法
偶氮胂M
高碘酸钾
食品
vanadium(V)
kinetic spectrophotometry
arsenazo M
potassium periodate
food