A new sensitive reagent for identifying and determining Cu(2+).
The synthesis of the new long-chain saturated fatty hydrocarbon substituting group compound, N-undecyl-N'-(sodium p-aminobenzenesulfonate)-thiourea (UPT) is described. According to the studies on its analytical performance, it is found that this reagent can be used to identify Cu(2+)(PD 6.3) and determine microamounts of copper (epsilon(300.4 nm)=2.39x10(5) l mol(-1)cm(-1)) in aqueous solution. Both of their sensitivities and selectivity's are better than other common methods [1-3].These new methods are simple and convenient and can provide satisfactory results on samples.
Ma
D
D
Department of Chemistry, Henan Normal University, Xin Xiang, Henan, 453002, People's Republic of China.
Xia
D
D
Cui
F
F
Li
J
J
Wang
Y
Y