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Sea cucumber-like hydroxyapatite: cation exchange membrane-assisted synthesis and its application in ultra-sensitive
Ying Zhang1, Yong Liu, Xiaobo Ji
1State Key Laboratory of Powder Metallurgy, Central South University, 932 Lushan South Road, Changsha 410083, P.R. China.
Abstract:
Sea cucumber-like hydroxyapatite fabricated with the aid of a Nafion N-117 cation exchange membrane was applied to the detection of lead(II) and cadmium(II) in ultra-trace concentration levels. The proposed HAp-modified carbon paste electrode has significantly lower linear ranges and exhibits a larger sensitivity than those reported previously.
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