摘要
研究了在封闭体系中B Z振荡反应测定间苯二酚的条件 ,建立了测定痕量间苯二酚的新方法 .当 [KBrO3]=0 2 5mol/L ,[CH2 (COOH) 2 ]=0 5mol/L ,[Ce(SO4 ) 2 ]=0 0 4mol/L ,[H2 SO4 ]=0 8mol/L时 ,间苯二酚在 6 5×10 - 7mol/L～ 1 0× 10 - 5mol/L范围内 ,浓度与振幅改变值ΔA呈线性关系 ,检出限为 6 0× 10 - 7mol/L .用于废水中间苯二酚的测定 ,回收率为 99% .
An analytical method for the determination of trace amount of resorcinol is established by studying its pertubation on B Z oscillating reaction.The best reaction condition and the reactants concentrations are reported.The results show linear relationship between the changes in oscillation amplitude of the chemical system and the concentration of resorcinol in the range of 6 5×10 -7 ?mol/L～1 0×10 -5 ?mol/L,and the related coefficients are 0 998?9.The methed is used to determine resorcinol in synthetic waste water,a satisfactory result is achieved.
出处
《西北师范大学学报（自然科学版）》
CAS
2003年第2期48-50,共3页
Journal of Northwest Normal University(Natural Science)
基金
中 乌国际科技合作资助项目 (0 4 3 0 5 )
