Origin based classification of crude oils by infrared spectrometry and chemometrics
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2018.09.013
Abstract: Abstract Crude oil samples from different Iranian petrol resources in both, raw and mixture forms have been characterized by attenuated total reflectance mid infrared spectroscopy. Obtained spectra were classified by chemometric techniques to propose a… read more here.
Keywords: classification crude; based classification; oil samples; crude ... See more keywords
Application of deep eutectic solvent as a disperser in reversed-phase dispersive liquid-liquid microextraction for the extraction of Cd(II) and Zn(II) ions from oil samples
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Food Composition and Analysis"
DOI: 10.1016/j.jfca.2020.103590
Abstract: Abstract A new, sensitive, and safe pretreatment method for the analysis of Cd(II) and Zn(II) ions in oil samples prior to flame atomic absorption spectrometry was developed. For the first time, a deep eutectic solvent… read more here.
Keywords: deep eutectic; oil samples; eutectic solvent; liquid ... See more keywords
Usefulness of GC-IMS for rapid quantitative analysis without sample treatment: Focus on ethanol, one of the potential classification markers of olive oils
Sign Up to like & getrecommendations! Published in 2020 at "Lwt - Food Science and Technology"
DOI: 10.1016/j.lwt.2019.108897
Abstract: Abstract The usefulness of headspace (HS)-gas chromatography (GC)-ion mobility spectrometry (IMS) has been explored for quantitative purposes, focusing on ethanol in olive oils. For that, since this emerging analytical tool provides a 2D analysis, different… read more here.
Keywords: classification; analysis; oil samples; olive oils ... See more keywords
A New Insight to the Assessment of Asphaltene Characterization by Using Fortier Transformed Infrared Spectroscopy
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.108824
Abstract: Abstract This research aims to present asphaltene fraction of oil by FTIR spectrum technique. For this purpose, three different oil samples with various SARA contents and almost identical API degrees were utilized in this research.… read more here.
Keywords: asphaltene fraction; spectroscopy; oil samples; functional groups ... See more keywords
Determination of Cu, Ni, Mn, and Pb in diesel oil samples using reversed-phase vortex-assisted liquid-liquid microextraction associated with energy dispersive X-ray fluorescence spectrometry.
Sign Up to like & getrecommendations! Published in 2021 at "Talanta"
DOI: 10.1016/j.talanta.2020.121514
Abstract: A method was developed based on reversed-phase vortex-assisted liquid-liquid microextraction (RP-VALLME) combined with energy dispersive X-ray fluorescence (EDXRF) spectrometry for the determination of Cu, Mn, Ni, and Pb in diesel oil samples. In this procedure,… read more here.
Keywords: phase; spectrometry; energy; determination ... See more keywords
A sensitive chemiluminescence detection approach for determination of 2,4-dinitrophenylhydrazine derivatized aldehydes using online UV irradiation - luminol CL reaction. Application to the HPLC analysis of aldehydes in oil samples.
Sign Up to like & getrecommendations! Published in 2021 at "Talanta"
DOI: 10.1016/j.talanta.2021.122522
Abstract: Aldehydes are toxic carbonyl compounds that are identified in various matrices surrounding us. For instance, aldehydes could be formed during the cooking and frying of foods which affects the food quality and safety. Derivatization is… read more here.
Keywords: irradiation; detection; analysis; method ... See more keywords
Chromatographic unsupervised classification of olive and non-olive oil samples with the aid of graph theory
Sign Up to like & getrecommendations! Published in 2017 at "Analytical Methods"
DOI: 10.1039/c7ay01828b
Abstract: Graph theory is a tool originating from discrete mathematics. A graph essentially consists of two fundamental units, nodes and edges. The nodes represent the samples and edges describe their connections. The edges are usually weighted… read more here.
Keywords: theory; olive non; non olive; oil samples ... See more keywords
Application of the Kohonen map analysis (KMA) on chromatographic datasets to achieve unsupervised classification of olive and non-olive oil samples: a novel approach
Sign Up to like & getrecommendations! Published in 2017 at "Analytical Methods"
DOI: 10.1039/c7ay01963g
Abstract: In the present work, a novel procedure that involves application of the Kohonen map analysis (KMA) algorithm on the chromatographic datasets is introduced for quality monitoring of olive oil samples. The proposed procedure is tested… read more here.
Keywords: application kohonen; kma; chromatographic datasets; kohonen map ... See more keywords
Thermo-acoustic study of transformer oils through ultrasonic technique
Sign Up to like & getrecommendations! Published in 2020 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2020.1739708
Abstract: ABSTARCT Study of two unused transformer oils was carried out by determining the thermo-acoustical parameters employing ultrasonic interferometer. The two transformer oils studied were of the year 1997 and 2017 make. The density measurement was… read more here.
Keywords: thermo acoustic; transformer oils; transformer; acoustic study ... See more keywords
The Potential of Graphene as an Adsorbent for Five Pesticides from Different Classes in Rape Oil Samples Using Dispersive Solid-Phase Extraction
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Analytical Methods in Chemistry"
DOI: 10.1155/2018/3587860
Abstract: Isolation conditions for five pesticides (metazachlor, tebuconazole, λ-cyhalothrin, chlorpyrifos, and deltamethrin) from rape oil samples were examined using the dispersive solid-phase graphene extraction technique. To determine the optimal extraction conditions, a number of experimental factors… read more here.
Keywords: extraction; phase; rape oil; five pesticides ... See more keywords
Antioxydant Activity of Some Algerian Olive Oil Samples in the Eastern and Center of Algeria
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Pharmacy and Pharmacology"
DOI: 10.17265/2328-2150/2017.12.006
Abstract: This study aimed to evaluate the antioxidant activity of five Algerian olive oil samples from Chlef, Jijel, Tissemsilt, Bejaia and Tizi Ouzou regions. Thus the following results were found physicochemical caracterisation revealed that the samples… read more here.
Keywords: antioxydant activity; oil samples; algerian olive; activity ... See more keywords