Search Results - "Gomes Neto, José Anchieta"
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Cobalt internal standard for Ni to assist the simultaneous determination of Mo and Ni in plant materials by high-resolution continuum source graphite furnace atomic absorption spectrometry employing direct solid sample analysis
Published in Talanta (Oxford) (15-05-2016)“…A new method is proposed for the simultaneous determination of Mo and Ni in plant materials by high-resolution continuum source graphite furnace atomic…”
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2
Brown rice authenticity evaluation by spark discharge-laser-induced breakdown spectroscopy
Published in Food chemistry (01-11-2019)“…•SD-LIBS-based spectral profiles were used to determine the PDO of brown rice.•LDA, SVM, k-NN, and RF were applied to distinguish rice grains with PDO…”
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3
Systematic study on the synthesis of novel ion-imprinted polymers based on rhodizonate for the highly selective removal of Pb(II)
Published in Reactive & functional polymers (01-02-2021)“…The present work reports the successful synthesis of a novel Pb2+ ion-imprinted polymer (Pb-IIP) based on a rhodizonate-like selective ligand by precipitation…”
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4
Closed-Vessel Conductively Heated Digestion System for the Elemental Analysis of Agricultural Materials by High-Resolution Continuum Source Flame Atomic Absorption Spectrometry (HR-CS FAAS)
Published in Analytical letters (13-10-2023)“…Novel applications of the closed-vessel conductively heated digestion system (CHDS) are proposed to digest biomass, biochar, oyster shell flour, bone meal and…”
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5
Dry Ashing for Signal Enhancement in Laser-Induced Breakdown Spectroscopy (LIBS)
Published in Analytical letters (29-04-2021)“…Limited sensitivities of some laser-induced breakdown spectroscopy (LIBS) instruments may impair some applications. Although this drawback can be minimized by…”
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Rice Labeling according to Grain Quality Features Using Laser-Induced Breakdown Spectroscopy
Published in Foods (12-01-2023)“…Rice is an important source of nutrition and energy consumed around the world. Thus, quality inspection is crucial for protecting consumers and increasing the…”
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7
Determination of copper at wide range concentrations using instrumental features of high-resolution continuum source flame atomic absorption spectrometry
Published in Eclética química (01-04-2018)“…This work describes a method to determine Cu at wide range concentrations in a single run without need of further dilutions employing high-resolution continuum…”
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Mathematical equation correction to spectral and transport interferences in high-resolution continuum source flame atomic absorption spectrometry: determination of lead in phosphoric acid
Published in Eclética química (01-04-2018)“…In this work, a new mathematical equation correction approach for overcoming spectral and transport interferences was proposed. The proposal was applied to …”
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Detection and quantification of adulterants in honey by LIBS
Published in Food chemistry (01-05-2020)“…•LIBS was used for the detection of adulterants in honey for the first time.•Fast, clean, and simple analysis.•PLD-DA models capable of detecting and…”
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10
Rugged, Portable Tungsten Coil Atomic Emission Spectrometer
Published in Analytical chemistry (Washington) (01-04-2011)“…Tungsten coil atomic emission spectrometry is an ideal technique for field applications because of its simplicity, low cost, low power requirement, and…”
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Determination of Silicon in Lubricant Oil by High-Resolution Continuum Source Flame Atomic Absorption Spectrometry Using Least-Square Background Correction and Internal Standardization
Published in Analytical letters (01-08-2011)“…The least-squares background correction (LSBC) and internal standardization procedures were combined to eliminate spectral interferences caused by the CS…”
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12
Determination of selenium in nutritionally relevant foods by graphite furnace atomic absorption spectrometry using arsenic as internal standard
Published in Food chemistry (01-11-2005)“…A method has been developed for the direct determination of Se in nutritionally relevant foods by graphite furnace atomic absorption spectrometry…”
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13
Laser-induced breakdown spectroscopy determination of K in biochar-based fertilizers in the presence of easily ionizable element
Published in Talanta (Oxford) (01-10-2018)“…Laser-induced breakdown spectroscopy is an optical emission technique quite suitable for the analysis of recalcitrant materials as it eliminates complex…”
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14
Prediction of black, immature and sour defective beans in coffee blends by using Laser-Induced Breakdown Spectroscopy
Published in Food chemistry (25-04-2019)“…•Visual detection of BIS has shown their inefficiency in coffee quality control.•LIBS is first time proposed for BIS determination.•Lines of N, O, CN and C2…”
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15
Evaluation of Lubricating Oil Preparation Procedures for the Determination of Al, Ba, Mo, Si and V by High-Resolution Continuum Source FAAS
Published in Analytical Sciences (01-01-2009)“…Microwave-assisted acid decomposition and oil-in-water emulsification were evaluated as sample pretreatment procedures to determine Al, Ba, Mo, Si and V in…”
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Direct Determination of Phosphite in Fertilizers by Flow-Injection Amperometry
Published in Electroanalysis (New York, N.Y.) (01-09-2007)“…A sensor based on graphite electrode modified with palladium‐platinum‐palladium film is proposed for phosphite determination by flow‐injection amperometry. The…”
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17
Phosphorous Determination in Biochar-Based Fertilizers by Spark Discharge-Laser-Induced Breakdown Spectroscopy
Published in Chemosensors (01-12-2021)“…Biochar-based fertilizers are a new attractive alternative to P supplementation for crops, as they can gradually release the nutrient, avoiding losses and…”
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18
Different Lubricating Oil Treatments for the Determination of Cu, Cr, Fe, Ni, Sb, Pb, and Zn by HR-CS FAAS
Published in Analytical letters (03-07-2008)“…Microwave-assisted acid decomposition, direct dilution in kerosene, and oil-in-water emulsion were evaluated as lubricating oil pretreatment procedures for Cu,…”
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Journal Article Conference Proceeding -
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Simultaneous determination of Cu and Pb in fuel ethanol by graphite furnace AAS using tungsten permanent modifier with co-injection of Ir
Published in Fuel (Guildford) (01-09-2012)“…► The determination of Cu and Pb in ethanol fuel by GF AAS was carried out. ► Was used W permanent modifier and co-injection of Ir. ► The analytical features…”
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Direct determination of Calcium in milk by atomic absorption spectrometry using flow-injection analysis
Published in Eclética química (01-09-2018)“…A flow-injection system with sample and reagent addition by the synchronousmerging zones approach for calcium determination in milk by flame AAS is proposed…”
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