Investigations on adsorption potentiometry. Part X: Derivative adsorption chronopotentiometry of chromium( III ) | Zendy

Jin Wenrui | Zendy; Jia Xianglan | Zendy; Lu Jianmin | Zendy

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Investigations on adsorption potentiometry. Part X: Derivative adsorption chronopotentiometry of chromium( III )

Author(s) -

Jin Wenrui,

Jia Xianglan,

Lu Jianmin

Publication year - 1995

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140071010

Subject(s) - chromium , adsorption , chemistry , derivative (finance) , mercury (programming language) , detection limit , inorganic chemistry , hanging mercury drop electrode , electrode , drop (telecommunication) , analytical chemistry (journal) , voltammetry , electrochemistry , chromatography , organic chemistry , telecommunications , computer science , financial economics , economics , programming language

The study concerns a very sensitive electroanalytical method, based on derivative chronopotentiometry of the chromium( III ) complex with 2‐(5′‐bromo‐2′‐pyridylazo)‐5‐diethyl aminophenol (5‐Br‐PADAP) accumulated adsorptively on the surface of a hanging mercury drop electrode. The detection limit is 6 × 10 −11 mol/L for a preconcentration time of 6 min. The mechanism of the electrode reaction has been investigated in detail.

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