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
data analysis tools were applied to chromatographic data to identify the presence of solvents
in gasoline samples from gas … by mixing pure gasoline with various concentrations of four …

Monitoring petroleum fuel adulteration: A review of analytical methods

BP Vempatapu, PK Kanaujia - TrAC Trends in Analytical Chemistry, 2017 - Elsevier
gas analyzer method for monitoring gasoline adulteration consisted of measuring the time-evolution
of gasoline … diffusivity of the gasoline vapor/air was used for detecting the gasoline

Adulteration detection of Brazilian gasoline samples by statistical analysis

LSM Wiedemann, LA d'Avila, DA Azevedo - Fuel, 2005 - Elsevier
… In this paper, identification of organic solvent gasoline adulteration by gas chromatography
and statistical approach analyses of Brazilian samples of gasoline are described. …

Determination of gasoline adulteration by principal components analysis-linear discriminant analysis applied to FTIR spectra

RCC Pereira, VL Skrobot, EVR Castro, ICP Fortes… - Energy & …, 2006 - ACS Publications
… IR spectroscopy data and multivariate techniques (PCA-LDA) to determine if gasoline
adulteration has occurred and the type of solvent used. We believe that this analytical method can …

[HTML][HTML] Detection and quantification of adulterants in gasoline using distillation curves and multivariate methods

G Mendes, PJS Barbeira - Fuel, 2013 - Elsevier
… in fuel analysis, combined with chemometric techniques of classification PCA and PLS-DA
were employed to identify the adulteration of gasoline with solvents sold at fuelgasoline. …

Multivariate calibration in Fourier transform infrared spectrometry as a tool to detect adulterations in Brazilian gasoline

LSG Teixeira, FS Oliveira, HC dos Santos… - Fuel, 2008 - Elsevier
techniques was used for rapid screening analysis to identify … for rapid screening analysis for
qualitative monitoring … the efforts for synthetic adulterated gasoline samples set preparation, …

A study of adulteration in gasoline samples using flame emission spectroscopy and chemometrics tools

JM de Paulo, G Mendes, JEM Barros, PJS Barbeira - Analyst, 2012 - pubs.rsc.org
… indicates that the methodology proposed in this work is a good method of classification and
prediction of adulterations in gasoline samples. Through the PLS model it was possible to …

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

LSM Wiedemann, LA d'Avila… - Journal of the Brazilian …, 2005 - SciELO Brasil
… solvent gasoline adulteration by statistical approach and gas chromatography analysis of
Brazilian samples are described. The physico-chemical parameters and gas chromatographic …

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
… In this paper, we describe a method to assess the purity of Type C gasoline. N-… analyze local
gasoline. To assess these models, blends of non-adulterated gasoline and type adulterants (…

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
… revenue by adulterating fuel. The addition of solvents is one of the most common adulteration
practices … Rapid and sensitive method for detecting adulterants in gasoline using ultra-fast …