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Role of a Binary Metallic Modifier in the Determination of Cadmium in Graphite Furnace Atomic Absorption Spectrometry
Binary Metallic Modifier Determination of Cadmium Graphite
2010/9/14
In order to discuss the matrix modifier effect of palladium, iron, and a mixture of palladium and iron for the determination of cadmium in graphite-furnace atomic absorption spectrometry (GF-AAS), we ...
Simultaneous Determination of Albendazole and Praziquantel by Second Derivative Spectrophotometry and Multivariated Calibration Methods in Veterinary Pharmaceutical Formulation
Simultaneous Determination of Albendazole Praziquantel Multivariated Calibration Methods Veterinary Pharmaceutical Formulation
2010/9/15
The simultaneous determination of albendazole (ABZ) and praziquantel (PZQ) was performed by different mathematical approaches: second derivative spectrophotometry (SDS), classical least squares, regre...
Flow-Injection Determination of Vanadium in Seawater Samples with Acidic Potassium Permanganate Chemiluminescence
Vanadium Seawater Samples Acidic Potassium Permanganate Chemiluminescence
2010/9/17
Chemiluminescence from the vanadium and potassium permanganate reaction was studied under acidic conditions to develop a sensitive method for vanadium determination using the formaldehyde enhancement ...
A Procedure for the Improvement in the Determination of a TXRF Spectrometer Sensitivity Curve
TXRF Spectrometer Sensitivity Curve
2010/9/17
A simple procedure is proposed to determine the total reflection X-ray fluorescence (TXRF) spectrometer sensitivity curve; this procedure provides better accuracy and exactitude than the standard est...
Development of a Compact System for the Determination of Lead Using a Liquid Core Waveguide and a Blue Diode as a Light Source
Liquid Core Waveguide Blue Diode Light Source
2010/9/19
A simple and compact system was developed for the on-site analysis of lead in environmental water samples. The system consisted of a custom-made blue diode as a light source, a liquid core waveguide (...
Development of a Discrete Flow System Using a Microsyringe as a Cell for the Photometric Determination of Iron
Microsyringe Cell Photometric Determination Iron
2010/9/20
A simple discrete flow system for the photometric determination of iron using a glass syringe as a mixer of a solution and as a sample cell has been developed. The system was assembled from a coupler...
Determination of Surface Composition by X-ray Photoelectron Spectroscopy Taking into Account Elastic Photoelectron Collisions
Surface Composition X-ray Photoelectron Spectroscopy Taking into Account Elastic Photoelectron Collisions
2010/9/17
It is now well known that elastic photoelectron scattering in the surface region of solids cannot be ignored in the mathematical formalism of quantitative XPS. Elastic collisions may increase or decre...
Spectrophotometric Determination of Cysteine with Gold Nanoparticles Stabilized with Single-stranded Oligonucleotides
Spectrophotometric Determination Cysteine Gold Nanoparticles Stabilized Single-stranded Oligonucleotides
2010/9/20
A sensitive and selective spectrophotometric detection method for cysteine has been established in this paper. The assay is based on the displacement of single-stranded oligonucleotide (ssDNA) adsorb...
Simultaneous Determination of Estradiol Valerate and Medroxyprogesterone Acetate in a Tablet Formulation by Gas Chromatography–Mass Spectrometry
Estradiol Valerate Medroxyprogesterone Acetate Gas Chromatography–Mass Spectrometry
2010/9/19
A new and simple gas chromatography–mass spectrometry (GC-MS) method has been developed for simultaneous determination of estradiol valerate (EV) and medroxyprogesterone acetate (MPA) in a tablet form...
Determination of Cadmium in Water Samples by Liquid Electrode Plasma Atomic Emission Spectrometry after Solid Phase Extraction Using a Mini Cartridge Packed with Chelate Resin Immobilizing Carboxymethylated Pentaethylenehexamine
Cadmium in Water Samples Liquid Electrode Plasma Atomic Emission Spectrometry Solid Phase Extraction
2010/9/20
Solid phase extraction using a mini cartridge packed with 22 mg of chelate resin immobilizing carboxymethylated pentaethylenehexamine was successfully utilized for separation/preconcentration of cadm...
Rapid Determination of Nanotoxicity Using Luminous Bacteria
Nanotoxicity Luminous Bacteria
2010/9/17
A new luminescence-based toxicity test using luminous bacteria as a reporting agent has been developed to determine EC50 of different nanomaterials, such as gold nanoparticles and carbon nanotubes on ...
Kinetic Spectrophotometric Determination of Trace Amounts of Iodide in Food Samples
Kinetic Spectrophotometric Determination Trace Amounts Iodide Food Samples
2010/9/20
A simple, selective and sensitive kinetic method has been developed for the determination of trace amounts of iodide. This method is based on a catalytic effect of iodide on the reaction between Janu...
Kinetic Spectrophotometric Determination of N-Acetyl-L-cysteine Based on a Coupled Redox-Complexation Reaction
Kinetic Spectrophotometric Determination N-Acetyl-L-cysteine Coupled Redox-Complexation Reaction
2010/9/20
A novel simple kinetic spectrophotometric method for the determination of N-acetyl-L-cysteine (NAC) has been developed and validated. The proposed method is based on a coupled redox-complexation react...
Flame Atomic Absorption Spectrometric Determination of Palladium in Aqueous Samples after Preconcentration Using Nanoparticles of γ-Alumina Functionalized with Pyridine Groups
Flame Atomic Absorption Spectrometric Palladium Aqueous Samples Preconcentration Nanoparticles of γ-Alumina Functionalized Pyridine Groups
2010/9/20
A new solid phase, nanoparticles of alumina functionalized with pyridine groups, was synthesized and used for extraction and preconcentartion of palladium(II) ions from some water samples. The effects...
Pressurized Liquid Extraction and Cleanup Procedure for the Determination of Pyrethroids in Soils Using Gas Chromatography/Tandem Mass Spectrometry
Pressurized Liquid Extraction Cleanup Procedure Pyrethroids Soils Using Gas Chromatography/Tandem Mass Spectrometry
2010/9/20
An analytical method for the simultaneous determination of 12 pyrethroids in soil samples was developed using gas chromatography tandem quadrupole mass spectrometry. Pyrethroids were extracted by pre...