Flame Atomic Absorption
Study of Calcium and Sodium Behavior to Identify Milk Adulteration Using Flame Atomic Absorption Spectrometry
... A fast and direct method for determination of milk adulteration by monitoring of calcium and sodium concentrations variations was described. Milk samples were furnished by a dairy company located at São Carlos (São Paulo ...
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Cloud point extraction for the determination of trace copper(II) in environmental samples using a new synthesized reagent and flame atomic absorption spectrometry
... Cloud point extraction for the determination of copper(II) is proposed after the formation of a complex with sulfapyridylazo resorcinol (SPAR) and later measurement by flame atomic absorption ...
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Evaluation of Analytical Procedures in the Determination of Trace Metals in Heavy Crude Oils by Flame Atomic Absorption Spectrophotometry
... between flame atomic absorption with other instrumental techniques for the determination of metals in fuel oil and concluded that the precision, repeatability and repro- ducibility of the ...
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Flame Atomic Absorption Spectrometric Determination of Trace Amounts of Zinc and Thallium in Different Matrixes after Solid Phase Extraction on Modified Multiwalled Carbon Nanotubes
... In view of the high selectivity provided by flame atomic absorption spectrometry, the only interference may be attributed to the extraction step. Natural water samples contain commonly alkali, ...
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Separation/Enrichment of Copper and Silver Using Titanium Dioxide Nanoparticles Coated with Poly Thiophene and Their Analysis by Flame Atomic Absorption Spectrophotometry
... affecting the adsorption and desorption steps for the mentioned ions were investigated and optimized. The studied factors include effects of pH, adsorption and de- sorption time, type, concentration, and volume of the ...
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The Application of Flame Atomic Absorption Spectrometry for Gold Determination in Some of Its Bearing Rocks
... A developed method was designed for gold determination directly in organic medium in some se- dimentary rocks (fine sandstone, carbonates), pyrite, serpentine and international standard gold sample (MA-1a) using ...
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Preconcentration of Silver Using Solidification of Floating Organic Drop and Its Determination by Flame Atomic Absorption Spectroscopy
... with flame atomic absorption spectrometry can be used as a simple and powerful technique for pre-concentration and determination of metal ions in aqueous ...
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ON-LINE PRECONCENTRATION AND DETERMINATION OF LEAD IN WATER BY FLOW INJECTION- FLAME ATOMIC ABSORPTION SPECTROSCOPY USING AMBERLITE XAD-16 FUNCTIONALIZED WITH XYLENOL ORANGE
... The results obtained in the present work confirm the performance of the synthesized AXAD16-XO resin as a new solid phase extractor in the online preconcentration and determination of Pb(II) in water sample using flow ...
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Preconcentration of Lead in Sugar Samples by Solid Phase Extraction and Its Determination by Flame Atomic Absorption Spectrometry
... A simple and sensitive solid phase extraction utilizing C18 filled cartridges incorporated with dithizone for preconcentration of lead and its subsequent determination by flame atomic absorption ...
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Preconcentration and Determination of Chromium Species Using Octadecyl Silica Membrane Disks and Flame Atomic Absorption Spectrometry
... The aim of this work was development of a simple, highly sensitive and efficient method for the selective extraction and concentration of trace amounts of Cr(III) and Cr(VI) ions from aqueous media by means of pH ...
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Comparative Evaluation of Trace Heavy Metal Ions in Water Sample using Complexes of Dithioligands by Flame Atomic Absorption Spectrometry
... The concentrations of Cd, Zn, Cu and Hg were determined using a ALICO SL -168 Model Flame Atomic Absorption Spectrometry (FAAS) equipped with a hollow cathode lamp. A mixture of acetylene as a fuel, ...
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Determination of Rhodium(III) Ions by Flame Atomic Absorption Spectrometry after Preconcentration with Modified Magnetic Activated Carbon
... plasma atomic- emission spectrometry (ICP-AES) [4], graphite furnace atomic absorption spectrometry (GF-AAS)[5], inductively coupledplasma-mass spectrometry (ICP-MS) [6] and flame ...
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Use of Flame Atomic Absorption Spectroscopy and Multivariate Analysis for the Determination of Trace Elements in Human Scalp
... bration curves for each element were prepared by serial dilution of 1000 ppm standard stock solutions of each element purchased from Fisher Scientific. The calibration curve for each element was constructed by plotting ...
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Determination of Trace Amounts of Zinc, Iron and Copper by Flame Atomic Absorption after Their Preconcentration Using Sodium Dodecyl Sulfate (SDS) Coated Alumina Nanoparticles Modified with 3 Mercapto D Valin from Environmental Samples
... plasma atomic emission spectrometry (ICP-AES), electrothermal atomic absorption spectrometry (ET-AAS), ...[6]. Flame atomic absorption spectrometry is one of the most widespread ...
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Cloud Point Extraction and Flame Atomic Absorption Spectrometric Determination of Lead, Cadmium and Palladium in Some Food and Biological Samples
... The proposed method is based on the complexation of the Pb 2+ , Cd 2+ and Pd 2+ ions with 3-(1-(1-H- Indol-3-Yl)-3-phenylallyl)-1H-indole (IPAI) at pH 8.0 in the presence of Triton X-114. The phase separation occured ...
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“Flame Atomic Absorption Spectrophotometric and Polarographic Methods for Zinc Determination in Infant's Milk Samples” by Rania Matar, Mayssam Salami, Syria.
... by flame atomic absorption spectrophotometric method (FAAS), where both methods showed high precision, accuracy and high ...method, flame absorption spectrophotometric method, milk ...
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Preconcentration and Determination of Trace Amounts of Heavy Metals in Water Samples Using Membrane Disk and Flame Atomic Absorption Spectrometry
... using flame atomic absorption spectrometric detection, after chelation with Natriumdiethyldithiocarbaminat (Na- DDTC) and sorption on SPE membrane disk composed of octadecyl bonded ...
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Optimize Determination of Calcium Using Flame Atomic Absorption
... Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray alkaline earth metal, fifth- most-abundant element by mass in the Earth's crust. The ion Ca 2+ is also the ...
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Ferrite-calcium alginate as magnetic solid phase extraction adsorbent of copper(II) ions in water prior to flame atomic absorption spectroscopy
... The Fe 3 O 4 -CaAlg MSPE method was validated using the optimized conditions (50 mg adsorbent, 150 mL sample volume, 5 min extraction time, 3 mL of 1:1 mixture of HNO 3 +HCI as desorpti[r] ...
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Determination of Magnesium in whole Blood and Serum of Ischemic Heart Disease(IHD) Patients by Flame Atomic Absorption Spectrometry
... In our laboratory assessment of magnesium status usually begins with measurement of concentration of magnesium in the ischemic heart disease patients and control blood and serum samples [r] ...
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