Quantitative Analysis of Sulfur in Diesel by Enzymatic Oxidation

Dec 6, 2013 - Paulina Aburto†, Karem Zuñiga‡, Jose Campos-Terán§, Jorge Aburto∥, and Eduardo Torres*†. † Posgrado en Ciencias Ambientales...
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Quantitative Analysis of Sulfur in Diesel by Enzymatic Oxidation, Steady-State Fluorescence, and Linear Regression Analysis Paulina Aburto,† Karem Zuñiga,‡ Jose Campos-Terán,§ Jorge Aburto,∥ and Eduardo Torres*,† †

Posgrado en Ciencias Ambientales, Centro de Química, Benemérita Universidad Autónoma de Puebla, 72530 Puebla, Puebla, Mexico ‡ Universidad del Valle de México−Tlalpan, 14370 Mexico City, Federal District, Mexico § Departamento de Procesos y Tecnología, División de Ciencias Naturales e Ingeniería, Universidad Autónoma Metropolitana−Cuajimalpa, 11950 Mexico City, Federal District, Mexico ∥ Programa de Procesos de Transformación, Instituto Mexicano del Petróleo, 07730 Mexico City, Federal District, Mexico S Supporting Information *

ABSTRACT: International environmental regulations have created the need for sensitive, accurate, and reproducible analytical tools to measure ultralow sulfur concentrations in fuels, such as diesel and gasoline. In this work, a sensitive, accurate, and reproducible analytical methodology to measure ultralow sulfur concentrations in desulfurized diesels (