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Charge Resonance Effects on Electronic Absorption Lineshapes:Application to the Heterodimer Absorption of Bacterial Photosynthetic Reaction Centers
Charge Resonance Electronic Absorption Lineshapes Heterodimer Absorption Bacterial Photosynthetic Reaction Centers
2016/5/23
The electronic absorption spectrum of the homodimeric special pair in bacterial photosynthetic reaction centers is greatly modified when one of the bacteriochlorophylls is replaced by a bacteriopheoph...
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 ...
Quantitative Estimation Methods for Concentrations and Layer Thicknesses of Elements Using Edge-jump Ratios of X-ray Absorption Spectra
Quantitative Estimation Methods Concentrations Layer Thicknesses Elements Using Edge-jump Ratios of X-ray Absorption Spectra
2010/9/17
This work concerns the development of quantitative estimation techniques using the K edge-jump ratio of X-ray absorption spectrum recorded through total-electron-yield measurements. The three methods ...
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...
Determination of Cadmium, Copper, Iron, Manganese, Lead and Zinc in Lichens and Botanic Samples by Electrothermal and Flame Atomic Absorption Spectrometry
Lichen ETAAS Ni + Pd + TA Copper Iron
2010/4/20
Within the framework of the International Atomic Energy Agency (IAEA) Analytical Quality Control Service (AQCS) Chemistry Unit a research program was initiated for the identification of trace elements...
Flame Atomic Absorption Spectrometric Determination of Manganese in Alloys after Preconcentration onto Amberlite XAD-4 Loaded with Saccharomyces carlsbergensis
Manganese preconcentration flame atomic absorption spectrometry alloy Saccharomyces carlsbergensis
2010/4/21
A sensitive and simple enrichment method using microorganisms as an adsorbent is described for the determination of trace manganese in alloys. Manganese was determined by flame atomic absorption spect...
Column Preconcentration/Separation and Atomic Absorption Spectrometric Determinations of Some Heavy Metals in Table Salt Samples Using Amberlite XAD-1180
Determination Preconcentration Table Salt Samples AAS Amberlite XAD-1180
2010/4/21
A simple and sensitive solid phase extraction procedure on Amberlite XAD-1180 resin is presented for the determination of chromium, cobalt, manganese and nickel at trace levels by atomic absorption sp...
Determination of Zinc in Aerosol Samples by Discrete Nebulization Flame Atomic Absorption Spectrometry
iron minerals trace elements lead cobalt nickel chromium zinc manganese determination atomic absorption spectrometry
2010/4/22
Determination of Zinc in Aerosol Samples by Discrete Nebulization Flame Atomic Absorption Spectrometry.
Electrothermal Atomic Absorption Spectrometric Determination of Nickel after its Flotation Enrichment by Iron(III) Hexamethylenedithiocarbamate
Nickel preconcentration colloid precipitate flotation iron(III) hexamethylenedithiocar-bamate collector water atomic absorption spectrometric determination
2010/6/27
Abstract. Nanogram quantities of nickel were removed from 1 L samples of dilute aqueous solutions by coflotation. A mixture of hydrated iron(III) oxide (Fe2O3\( \cdot \)xH2O) and iron(III) hexamethyle...
Fundamental Noise Studies in Flame Atomic Magneto-Optic Rotation and Atomic Absorption Spectrometry
Atomic magneto-optic rotation spectrometer (AMORS) air-acetylene flame atomiser Faraday configuration
2010/6/29
A study of inherent noise sources present in a purpose built flame atomic magneto-optic rotation (AMOR) spectrometer system was carried out with a view to identifying their sources. Two different opti...