Voltammetric determination of trace amounts of diacetyl at a mercury meniscus modified silver solid amalgam electrode following gas-diffusion microextraction.

Ramos, Rui M; Gonçalves, Luís M; Vyskocil, Vlastimil; Rodrigues, José A

Ramos, Rui M; Gonçalves, Luís M; Vyskocil, Vlastimil; Rodrigues, José A.

Affiliation

Ramos RM; REQUIMTE/LAQV - Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal. Electronic address: rui.ramos@fc.up.pt.
Gonçalves LM; REQUIMTE/LAQV - Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal.
Vyskocil V; Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Hlavova 2030/8, 12843 Prague 2, Czech Republic.
Rodrigues JA; REQUIMTE/LAQV - Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal.

Talanta ; 169: 203-208, 2017 Jul 01.

Article in En | MEDLINE | ID: mdl-28411813

Subject(s)

Beverages/analysis; Chemical Fractionation/methods; Diacetyl/analysis; Electrodes; Gases/chemistry; Mercury/chemistry; Silver/chemistry; Diacetyl/isolation & purification; Diffusion; Electrochemistry/methods

Key words

Differential pulse voltammetry (DPV); Electroanalysis; Food analysis; Food control; Sample preparation; Volatile extraction

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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Silver / Beverages / Diacetyl / Electrodes / Chemical Fractionation / Gases / Mercury Language: En Journal: Talanta Year: 2017 Type: Article

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