Spectrophotometric Determination of Trace Copper by Decatalytic Kinetic Decolourisation
CHU Da\|wei\+1,JIANG Wei ming 2,SUN Cai\|lan\+3,ZHANG Ying jie 3 (1 The Second Petrochemical Plant of Fushun, Liaoning Fushun 113004, China; 2 The Third Petrochemical Plant of Fushun, Liaoning Fushun 113001,China; 3 Department of Chemical Eng
(1 The Second Petrochemical Plant of Fushun, Liaoning Fushun 113004, China; 2 The Third Petrochemical Plant of Fushun, Liaoning Fushun 113001,China; 3 Department of Chemical En
Abstract：
A decatalytic spectrophotometric method based on a copper catalyzed redox reaction between K\-2S\-2O\-8 and methyl red has been developed for the determination of trace quantities of copper in the presence of H\-3PO\-4. The detection Limit for copper is 8 349×10 -12 g/mL and the linear range of determination is (0 01～0 08)μg/25mL. Satisfactory results were obtained for the determination of trace copper in human hair, food samples and water samples.
CHU Da\|wei\+1,JIANG Wei ming 2,SUN Cai\|lan\+3,ZHANG Ying jie 3 .Spectrophotometric Determination of Trace Copper by Decatalytic Kinetic Decolourisation[J]. Chemcial Industry and Engineering, 2001,18(3): 151-155
2001, Vol. 18 
