Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/49127
Title: Differential pulse voltammetric determination of aniline with a carbon paste electrode modified by sepiolite
Authors: Hernandez, L.
Hernandez, P.
Sosa Ferrera, Z. 
UNESCO Clasification: 2301 química analítica
Keywords: Physical Chemistry
Analytical Chemistry
Inorganic Chemistry
Detection Limit
Aniline
Issue Date: 1988
Publisher: 0016-1152
Journal: Fresenius Zeitschrift für Analytische Chemie 
Abstract: The determination of aniline by means of a carbon paste electrode (CPE) modified with 10% sepiolite was studied using differential pulse voltammetry. The best pre-concentration was achieved at pH 6.9 over 5 min and the bestip in the measuring cell was obtained at pH 1.5 using ΔE = 100 mV and a scan rate of 40 mV/s. Under these conditions detection limits (10 σ) of 15 ng/ ml were obtained. The method was applied to different beverages without the need for prior separation.
URI: http://hdl.handle.net/10553/49127
ISSN: 0016-1152
DOI: 10.1007/BF00556910
Source: Fresenius' Zeitschrift für Analytische Chemie [ISSN 0016-1152], v. 329, p. 756-759
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