Voltammetric determination of free sulfur dioxide in wines using platinum and gold disc microelectrodes

The Analyst ◽  
1994 ◽  
Vol 119 (6) ◽  
pp. 1239 ◽  
Author(s):  
M. Antonietta Baldo ◽  
Salvatore Daniele ◽  
Gian A. Mazzocchin
Keyword(s):  
Sulfur Dioxide ◽  
Voltammetric Determination ◽  
Free Sulfur

Use of a membraneless extraction module for the voltammetric determination of total sulfites in wine

2010 ◽  
Vol 75 (7) ◽  
pp. 721-730 ◽  
Author(s):  
Luís Moreira Gonçalves ◽  
Miriam Franco da Anunciação ◽  
Inês Maria Valente ◽  
João Grosso Pacheco ◽  
José António Rodrigues ◽  
...  
Keyword(s):  
Sulfur Dioxide ◽  
Sample Preparation ◽  
Volatile Compounds ◽  
Square Wave Voltammetry ◽  
Voltammetric Determination ◽  
Voltammetric Analysis ◽  
Square Wave ◽  
Wave Voltammetry ◽  
Good Repeatability

A recently developed membraneless extraction module (MLEM) for sample preparation aiming the analysis of volatile and semi-volatile compounds is applied in the voltammetric analysis of total sulfites in wine. Square-wave voltammetry (SWV) is very advantageous in this case because sulfur dioxide (SO2) is instrumentally directly detected. The developed method shows good repeatability (RSD lower than 5%) and linearity (between 20 to 220 mg l–1) as well as suitable limits of detection (6 mg l–1) and quantification (19 mg l–1). The proposed method was also compared with the reference methodology (an iodimetry, the Ripper method) showing no significant differences in the obtained results.

Voltammetric Determination of Free and Total Sulfur Dioxide in Beer

2003 ◽  
Vol 15 (5-6) ◽  
pp. 587-590 ◽  
Author(s):  
P. J. Almeida ◽  
J. A. Rodrigues ◽  
L. F. Guido ◽  
J. R. Santos ◽  
A. A. Barros ◽  
...  
Keyword(s):  
Sulfur Dioxide ◽  
Voltammetric Determination ◽  
Total Sulfur

scholarly journals Determination of Molecular and “Truly” Free Sulfur Dioxide in Wine: A Comparison of Headspace and Conventional Methods

2020 ◽  
Vol 71 (3) ◽  
pp. 222-230
Author(s):  
Todd W. Jenkins ◽  
Patricia A. Howe ◽  
Gavin L. Sacks ◽  
Andrew L. Waterhouse
Keyword(s):  
Sulfur Dioxide ◽  
Conventional Methods ◽  
Free Sulfur

Microanalytical flow system for the simultaneous determination of acetic acid and free sulfur dioxide in wines

2021 ◽  
Vol 346 ◽  
pp. 128891
Author(s):  
Pablo Giménez-Gómez ◽  
Manuel Gutiérrez-Capitán ◽  
Juan Manuel Ríos ◽  
Fina Capdevila ◽  
Anna Puig-Pujol ◽  
...  
Keyword(s):  
Acetic Acid ◽  
Sulfur Dioxide ◽  
Simultaneous Determination ◽  
Flow System ◽  
Free Sulfur

Determination of total and free sulfur dioxide in wine by pervaporation–flow injection

The Analyst ◽  
1998 ◽  
Vol 123 (7) ◽  
pp. 1547-1549 ◽  
Author(s):  
E. Mataix ◽  
M. D. Luque de Castro
Keyword(s):  
Sulfur Dioxide ◽  
Flow Injection ◽  
Free Sulfur
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