Search Results - "Müller, Edson I"
-
1
Determination of Chlorine in Crude Oil by High-Resolution Continuum Source Graphite Furnace Molecular Absorption Spectrometry Using AlCl, InCl, and SrCl Molecules
Published in Energy & fuels (19-05-2016)“…In this work, high-resolution continuum source graphite furnace molecular absorption spectrometry (HR-CS GF MAS) using AlCl, InCl, and SrCl molecules was…”
Get full text
Journal Article -
2
Green method by diffuse reflectance infrared spectroscopy and spectral region selection for the quantification of sulphamethoxazole and trimethoprim in pharmaceutical formulations
Published in Anais da Academia Brasileira de Ciências (01-03-2016)“…An alternative method for the quantification of sulphametoxazole (SMZ) and trimethoprim (TMP) using diffuse reflectance infrared Fourier-transform spectroscopy…”
Get full text
Journal Article -
3
Analytical methods for the determination of halogens in bioanalytical sciences: a review
Published in Analytical and bioanalytical chemistry (01-09-2013)“…Fluorine, chlorine, bromine, and iodine have been studied in biological samples and other related matrices owing to the need to understand the biochemical…”
Get full text
Journal Article -
4
A green and high throughput method for salt determination in crude oil using digital image-based colorimetry in a portable device
Published in Fuel (Guildford) (01-04-2021)“…[Display omitted] •Chloride determination by digital images-based colorimetric analysis.•A green extraction method for salt determination in crude oil.•A…”
Get full text
Journal Article -
5
A new approach to calibration and determination of selected trace elements in food contact polymers by LA-ICP-MS
Published in Talanta (Oxford) (01-08-2017)“…A calibration strategy using porous nylon disks and reference solutions is proposed for the first time for matrix matching and determination of As, Ba, Cd, Cr,…”
Get full text
Journal Article -
6
Portable dehumidifiers as an original matrix for the study of inhalable nanoparticles in school
Published in Chemosphere (Oxford) (01-01-2021)“…Good air quality is documented as a significant factor of social justice. The human health hazards associated with air pollution are not distributed equally…”
Get full text
Journal Article -
7
Simultaneous determination of iron and nickel in fluoropolymers by solid sampling high-resolution continuum source graphite furnace atomic absorption spectrometry
Published in Talanta (Oxford) (01-11-2016)“…This paper reports the development of a method of simultaneous determination of iron and nickel in fluoropolymers by high-resolution continuum source graphite…”
Get full text
Journal Article -
8
Evaluation of calibration transfer methods using the ATR-FTIR technique to predict density of crude oil
Published in Chemometrics and intelligent laboratory systems (15-07-2017)“…Multivariate calibration combined with infrared technique is an alternative to traditional methods of determination of physicochemical parameters in crude oil…”
Get full text
Journal Article -
9
Bio-nanosilica obtained from rice husk using ultrasound and its potential for dye removal
Published in Materials letters (15-11-2018)“…•Bio-nanosilica was obtained from rice husk thought ultrasound process.•The material was used to adsorb Crystal Violet dye from aqueous effluents.•Ultrasound…”
Get full text
Journal Article -
10
Feasibility of microwave-induced combustion for trace element determination in Engraulis anchoita by ICP-MS
Published in Food chemistry (15-02-2014)“…•Trace metals were determined for the first time in Engraulis anchoita species.•MIC enabled an effective digestion of up to 500mg of sample with low RCC and…”
Get full text
Journal Article -
11
Determination of Cd and Pb in medicinal plants using solid sampling flame atomic absorption spectrometry
Published in International journal of environmental analytical chemistry (01-01-2009)“…A procedure for trace determination of Cd and Pb in medicinal samples using solid sampling flame atomic absorption spectrometry (SS-F AAS) was developed for…”
Get full text
Journal Article -
12
Determination of toxic elements in coal by ICP-MS after digestion using microwave-induced combustion
Published in Talanta (Oxford) (15-12-2010)“…A microwave-induced combustion (MIC) procedure was applied for coal digestion for subsequent determination of As, Cd and Pb by inductively coupled plasma mass…”
Get full text
Journal Article -
13
Characterization of three main degradation products from novel oral anticoagulant rivaroxaban under stress conditions by UPLC-Q-TOF-MS/MS
Published in Journal of pharmaceutical and biomedical analysis (10-05-2016)“…[Display omitted] •Pharmacological safety and efficacy ensured by drug stability evaluation.•Rivaroxaban pharmaceutical formulation exposed to three stress…”
Get full text
Journal Article -
14
Total Acid Number Determination in Residues of Crude Oil Distillation Using ATR-FTIR and Variable Selection by Chemometric Methods
Published in Energy & fuels (21-10-2010)“…The total acid number (TAN) was determined in the atmospheric residue (AR) and vacuum residue (VR) of the petroleum distillation process using mid-infrared…”
Get full text
Journal Article -
15
Simultaneous determination of sulphamethoxazole and trimethoprim in powder mixtures by attenuated total reflection-Fourier transform infrared and multivariate calibration
Published in Journal of pharmaceutical and biomedical analysis (05-04-2009)“…A partial least-squares calibration (PLS) procedure in combination with infrared spectroscopy has been developed for simultaneous determination of…”
Get full text
Journal Article -
16
Greening microwave-assisted digestion method using hydrogen peroxide for determination of elemental impurities by ICP-OES in antihypertensive active pharmaceutical ingredients
Published in Journal of pharmaceutical and biomedical analysis (20-01-2024)“…Microwave-assisted wet digestion (MAWD) using only H2O2 was proposed for oxidizing active pharmaceutical ingredients (APIs) for hypertension treatment and…”
Get full text
Journal Article -
17
Microwave-assisted wet digestion with H2O2 at high temperature and pressure using single reaction chamber for elemental determination in milk powder by ICP-OES and ICP-MS
Published in Talanta (Oxford) (15-08-2016)“…In this work a green digestion method which only used H2O2 as an oxidant and high temperature and pressure in the single reaction chamber system…”
Get full text
Journal Article -
18
Magnesium and calcium determination in desalted crude oil by direct sampling graphite furnace atomic absorption spectrometry
Published in Fuel (Guildford) (15-01-2019)“…[Display omitted] •A simple and fast method for Mg and Ca determination in crude oil at low levels by DS-GF AAS was proposed.•Optimization of several…”
Get full text
Journal Article -
19
La2O3 Nanoparticles: Study of Uptake and Distribution in Pfaffia glomerata (Spreng.) Pedersen by LA-ICP-MS and μ‑XRF
Published in Environmental science & technology (17-09-2019)“…The production and use of nanoparticles (NPs) in different fields increased in the last years. However, some NPs have toxicological properties, making these…”
Get full text
Journal Article -
20
Rare earth elements profile in a cultivated and non-cultivated soil determined by laser ablation-inductively coupled plasma mass spectrometry
Published in Chemosphere (Oxford) (01-05-2018)“…Rare earth elements (REEs) have several applications but the effects on environment are not well known. Therefore, the aim of this work is to establish a…”
Get full text
Journal Article