Quality assessment of gasoline using comprehensive two‐dimensional gas chromatography combined with unfolded partial least squares: A reliable approach for the …

H Parastar, S Mostafapour… - Journal of separation …, 2016 - Wiley Online Library
Comprehensive two‐dimensional gas chromatography and flame ionization detection
combined with unfolded‐partial least squares is proposed as a simple, fast and reliable …

Identification of gasoline adulteration using comprehensive two-dimensional gas chromatography combined to multivariate data processing

MP Pedroso, LAF de Godoy, EC Ferreira… - … of Chromatography A, 2008 - Elsevier
A method to detect potential adulteration of commercial gasoline (Type C gasoline, available
in Brazil and containing 25%(v/v) ethanol) is presented here. Comprehensive two …

Gasoline quality assessment using fast gas chromatography and partial least-squares regression for the detection of adulterated gasoline

DM Lee, DH Lee, IH Hwang - Energy & Fuels, 2018 - ACS Publications
To find out if gasoline is adulterated, it is essential to analyze the sample's information
efficiently; however, current official test methods are time consuming and costly. Much …

Quantification of Kerosene in Gasoline by Comprehensive Two-Dimensional Gas Chromatography and N-Way Multivariate Analysis

LAF de Godoy, EC Ferreira, MP Pedroso… - Analytical …, 2008 - Taylor & Francis
In brazil, gasoline is usually adulterated by diesel oil, ethanol (in addition to the amount
legally specified), petrochemical raffinates, and kerosene. This is an illegal action performed …

Identification of adulteration of gasoline applying multivariate data analysis techniques HCA and KNN in chromatographic data

VL Skrobot, EVR Castro, RCC Pereira, VMD Pasa… - Energy & …, 2005 - ACS Publications
Chemometric data analysis tools were applied to chromatographic data to identify the
presence of solvents in gasoline samples from gas stations in Minas Gerais state, Brazil. A …

Use of principal component analysis (PCA) and linear discriminant analysis (LDA) in gas chromatographic (GC) data in the investigation of gasoline adulteration

VL Skrobot, EVR Castro, RCC Pereira, VMD Pasa… - Energy & …, 2007 - ACS Publications
Chemometric data analysis was applied to chromatographic data as a modeling tool to
identify the presence of solvents in gasoline obtained at gas stations in the Minas Gerais …

Determination of motor gasoline adulteration using FTIR spectroscopy and multivariate calibration

MA Al-Ghouti, YS Al-Degs, M Amer - Talanta, 2008 - Elsevier
In this paper, an attempt has been made to develop a feasible procedure for the prediction of
quality parameters of motor gasoline and to discriminate between the different adulterated …

Prediction of the physicochemical properties of gasoline by comprehensive two-dimensional gas chromatography and multivariate data processing

LAF De Godoy, MP Pedroso, EC Ferreira… - … of Chromatography A, 2011 - Elsevier
The estimation of physicochemical parameters such as distillation points and relative
densities still plays an important role in the quality control of gasoline and similar fuels. Their …

Rapid and sensitive method for detecting adulterants in gasoline using ultra-fast gas chromatography and Partial Least Square Discriminant Analysis

MG Nespeca, JFVL Munhoz, DL Flumignan… - Fuel, 2018 - Elsevier
In the last years, the Brazilian Fuel Quality Monitoring Program drastically reduced the
number of analyzed fuel samples as consequence of the current economic crisis in the …

Brazilian gasoline quality: study of adulteration by statistical analysis and gas chromatography

LSM Wiedemann, LA d'Avila… - Journal of the Brazilian …, 2005 - SciELO Brasil
The addition of organic solvents (heavy aliphatic, light aliphatic and aromatic hydrocarbons)
in Brazilian gasoline is unfortunately very frequent, and this illicit practice does not …