[PDF] Top 20 Matrix effect in pesticide quantification by gas chromatography.
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Matrix effect in pesticide quantification by gas chromatography.
... MATRIX EFFECT IN PESTICIDE QUANTIFICATION BY GAS ...the matrix effect. This effect is observed in pesticide quantification ... See full document
9
Determination of Pesticide Residues in Banana by Using High Performance Liquid Chromatography and Gas Chromatography-Mass Spectrometry
... HPLC conditions: A Shimadzu CLASS-VP V6.13 SP2 Area% Report, Version 5.22 High performance liquid chromatography having UV/visible detector was used for identification and quantification of pesticides. ... See full document
6
Rev. bras. farmacogn. vol.25 número2
... pesticides in yerba mate (Ilex ...analyzed by gas chromatography using a flame photometric ...and matrix effects were determined according to DG-SANCO guidelines for both ...33 ... See full document
7
Quantitative Analysis of Endocrine Disruptors by Comprehensive Two-Dimensional Gas Chromatography
... disruptors by GC×GC in an aqueous matrix yielded similar results to the GC/MS method, thereby validating GC×GC as a routine method to detect and quantify these compounds at low ...and ... See full document
6
Determination of Target Pesticide Residues in Tropical Fruits Employing Matrix Solid-Phase Dispersion (MSPD) Extraction Followed by High Resolution Gas Chromatography
... obtained in a local ...removed. In the banana case, the whole fruit was ...stored in a freezer until ...checked by GC-MS screening of respective extracts (GC-MS ... See full document
9
J. Braz. Chem. Soc. vol.23 número2
... The matrix effect in gas chromatographic analysis is attributed to the presence of coextractives in organic phase obtained in the extraction ...the quantification study of ... See full document
7
REPOSITORIO INSTITUCIONAL DA UFOP: Isolation and quantification of dialkylmercury species by headspace solid phase microextraction and gas chromatography with atomic emission detection.
... contained in 16 mL septum-sealed vials was stirred at ambient temperature for 5 min for sample/headspace ...analyzed by GC-AED. The effect of the desorption temperature was assessed for DVB and CAR ... See full document
7
J. Braz. Chem. Soc. vol.14 número2
... on matrix solid phase dispersion (MSPD) to determine the presence of organochlorine (OC) and organophosphorus (OP) pesticide residues in species of Passiflora ...leaves by gas ... See full document
6
Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry
... ephedrine quantification based on ...less matrix interference than a single derivatization with ...indicated in order to avoid creatinine ...evaluated in order to improve the robustness and ... See full document
8
COMPARISON OF METHODS BY LIQUID CHROMATOGRAPHY FOR THE DETERMINATION OF PESTICIDE MULTIRESIDUES IN STRAWBERRIES.
... METHODS BY LIQUID CHROMATOGRAPHY FOR THE DETERMINATION OF PESTICIDE MULTIRESIDUES IN ...Liquid chromatography is often used for the determination of pesticide multiresidues ... See full document
9
J. Braz. Chem. Soc. vol.21 número3
... KOH in methanol at room temperature is considered the most reliable technique in the identiication of fatty acid conjugated isomers, such as linoleic acid, as it does not produce either isomerization or ... See full document
5
Determination of polychlorinated biphenyls in corn by solid phase extraction followed by gas chromatography-mass spectrometry.
... O objetivo do presente estudo foi validar um método de extração, envolvendo a utilização de ultrassom e a extração em fase sólida (EFS), seguida de cromatografia a gás (CG) acoplada à [r] ... See full document
8
Quím. Nova vol.37 número10
... analysis in a single run, without compromising the analysis quality, even in the case of highly complex ...Ion Chromatography–EIC) from the total ion chromatogram (TIC) by software system ... See full document
8
Gas chromatography-mass spectrometry analysis
... pigment by inducing the stress condition in the media by varying the ...stress by varying other conditions such as carbon source for characteristic and good rate of pigment productivity ... See full document
8
J. Braz. Chem. Soc. vol.23 número4
... the matrix effects (ME) was ...compared in order to find the method that produces least ME and gives the highest response for 18 ...achieved by using the mixture of three absorbents and the use of ... See full document
9
Determination of polycyclic aromatic hydrocarbons in soil by gas chromatography-mass spectrometry
... [r] ... See full document
11
J. Braz. Chem. Soc. vol.24 número7
... of pesticide residues in soil by ultrafast liquid chromatography coupled to electrospray ionization mass ...results in the range of 70-110% with relative standard deviation lower than ... See full document
12
Quím. Nova vol.36 número8
... emerged in 1986 in the United Kingdom, and was related to the supply of cattle feed containing meat and bone meal, derived from ovine sources contaminated with scrapie, another kind of spongiform ... See full document
5
Rapid method for determination of glyphosate in groundwater using high performance liquid chromatography and solid-phase extraction after derivatization
... used by various authors, the most commonly used derivatization method involves use of FMOC-Cl (9-fluorenylmethyl ...formed by pre- or post-column derivatization with FMOC-Cl or mercaptoethanol ... See full document
12
Marco António Teixeira Zullo1 and Günter Adam
... model. In feeding experiments 22,23-diepi-28-homobrassinolide (143) provoked moult- ing retardation by about 11 days with the highest applied doses (Richter et ...brassinosteroid in insects has been ... See full document
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