Copper Hexacyanoferrate Formation on the Modified Silica Surface with DAB‐Am‐16 Dendrimer | Zendy

Carmo Devaney R. do | Zendy; Gabriel Suelino | Zendy; Bicalho Urquisa O. | Zendy; Picon Carlos A. | Zendy; Paim Leonardo L. | Zendy

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Copper Hexacyanoferrate Formation on the Modified Silica Surface with DAB‐Am‐16 Dendrimer

Author(s) -

Carmo Devaney R. do,

Gabriel Suelino,

Bicalho Urquisa O.,

Picon Carlos A.,

Paim Leonardo L.

Publication year - 2011

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200900097

Subject(s) - copper , cyclic voltammetry , dendrimer , ferrocyanide , silica gel , fourier transform infrared spectroscopy , voltammetry , nuclear chemistry , chemistry , inorganic chemistry , ferrocene , materials science , electrode , polymer chemistry , electrochemistry , chemical engineering , organic chemistry , engineering

The third generation (G‐3) polypropylenimine hexadecaamine dendrimer (DAB‐Am‐16) was grafted onto the silica gel surface. The modified silica interacts easily with Cu 2+ and then with potassium ferrocyanide to form copper hexacyanoferrate. The modified silica was characterized by the following techniques: Nuclear Magnetic Resonance (NMR), FTIR spectroscopy, Energy Dispersive X‐ray (EDX) and Cyclic Voltammetry. The modified silica containing copper hexacyanoferrate (CuHCFSD) was tested for a voltammetric determination of nitrite using a modified graphite paste electrode.

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