Absorption spectroscopy
Energy-dispersive X-ray absorption spectroscopy at LNLS: investigation on strongly correlated metal oxides
... X-ray absorption spectroscopy beamline mainly dedicated to X-ray magnetic circular dichroism (XMCD) and material science under extreme conditions has been implemented in a bending-magnet port at the ...
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Near-edge X-ray absorption spectroscopy signature of image potential states in multilayer epitaxial graphene
... near-edge absorption spectroscopy (NEXAFS) performed at the carbon K-edge [7–15] could in principle be used, since it may yield a variable spatial resolution ranging from a few nanometers to millime- ...
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Spectral studies of ocean water with space-borne sensor SCIAMACHY using Differential Optical Absorption Spectroscopy (DOAS)
... ing Absorption Spectrometer for Atmospheric Chartogra- phY (SCIAMACHY) using Differential Optical Absorption Spectroscopy (DOAS) are ...phytoplankton absorption reference spectra to optical ...
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Calibration model of methylmetacrylate concentration in aqueous solution using ultraviolet absorption spectroscopy.
... CALIBRATION MODEL OF METHYLMETACRYLATE CONCENTRATION IN AQUEOUS SOLUTION USING ULTRAVIOLET ABSORPTION SPECTROSCOPY. Dilutions of methylmetacrylate ranging between 1 and 50 ppm were obtained from a stock ...
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Using a high finesse optical resonator to provide a long light path for differential optical absorption spectroscopy: CE-DOAS
... of standard non invasive in-situ Differential Optical Absorption Spectroscopy (DOAS) with the enhancement provided by the long light path of an optical resonator. All this is obtained in a very simple and ...
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The detection of carbon dioxide leaks using quasi-tomographic laser absorption spectroscopy measurements in variable wind
... Abstract. Laser absorption spectroscopy (LAS) has been used over the last several decades for the measurement of trace gasses in the atmosphere. For over a decade, LAS mea- surements from multiple sources ...
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Satellite monitoring of different vegetation types by differential optical absorption spectroscopy (DOAS) in the red spectral range
... optical absorption spectroscopy (DOAS), which is usu- ally applied for the analysis of atmospheric trace gas absorp- ...atmospheric absorption and veg- etation reflectance are simultaneously included ...
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Electronic structure of Pb1-xLaxTiO3 ferroelectric materials from Ti 2p and O 1s soft x-ray absorption spectroscopy
... X-ray absorption spectroscopy 共XAS兲 studies of differ- ent mixed perovskite compounds revealed that their local structure as a function of the composition is essentially dis- ordered in compositions ...
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Qualitative and Quantitative Content Determination of Macro-Minor Elements in Bryonia Alba L. Roots using Flame Atomic Absorption Spectroscopy Technique
... essential elements, which can be useful to provide dietary information for designing value –added foods and for food bio fortification. This study provides a comprehensive investigation of the contents of 19 trace ...
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Determination of trace metals in fruit juices selected by ASAE using atomic absorption spectroscopy
... the absorption wavelengths for this element are below 200 nm, which represents an area subject to intense interference from flame radicals that can significantly affect detection ...atomic absorption ...
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Extending differential optical absorption spectroscopy for limb measurements in the UV
... Besides the observed error of up to 12% by the standard DOAS (the green line in the figure) and the improvement by one order of magnitude for the Taylor series approach (the red line in the figure), significant ...
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Broadband Cavity Enhanced Differential Optical Absorption Spectroscopy (CE-DOAS) – applicability and corrections
... spectra. While the DOAS approach has enormous advantages in terms of sensitivity and specificity of the measurement, an important implication is the reduction of the light path by the trace gas absorption, since ...
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XCO<sub>2</sub>-measurements with a tabletop FTS using solar absorption spectroscopy
... After the radiation has passed the interferometer, it is blocked by an aperture (which forms the aperture stop of the optical system) with a diameter of 3 mm. We inserted this aperture for controlling optical aberrations ...
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Zinc accumulation in phosphate granules of Ucides cordatus hepatopancreas
... Amorphous phosphate granules are present in vertebrate and inverte- brate organisms. The functions attributed to these structures depend on their mineral contents and organic matrix composition. In the present study we ...
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Evaluation of mineral content and heavy metals of dromedary camel milk in Iran
... The obtained data in different regions revealed that the content of sodium in the camel milk from Riyadh region of Saudi Arabia measured by atomic absorption spectroscopy was 43.10 mg/[r] ...
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Rev. Esc. Minas vol.64 número1
... The solution used for the removal of the phosphate coating on each sample was calibrated and then analyzed by atomic absorption spectroscopy for the determination of the elements present in the coating. The ...
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J. Braz. Chem. Soc. vol.28 número9
... X-ray absorption spectroscopy measurements (XAS) measurements in the X-ray absorption near edge structure (XANES) and X-ray absorption ine structure (XAFS) ...
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Field test of available methods to measure remotely SO<sub>x</sub> and NO<sub>x</sub> emissions from ships
... They were either optical (LIDAR, Differential Op- tical Absorption Spectroscopy (DOAS), UV camera), com- bined with model-based estimates of fuel consumption, or based on the so called “[r] ...
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Inherent calibration of a blue LED-CE-DOAS instrument to measure iodine oxide, glyoxal, methyl glyoxal, nitrogen dioxide, water vapour and aerosol extinction in open cavity mode
... Optical Absorption Spectroscopy (CE-DOAS) is a novel CEAS technique under development (Meinen et ...“differential” absorption features of trace gases; the differential absorption is ...
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Samuel MARIANO-DA-SILVA1 , Joys Dias de Assis BRAIT2 , Luiz Henrique Poleto ANGELONI2, Fabiana Maria de Siqueira MARIANO-DA-SILVA3 , César Augusto Oliveira LEITE2 , Paula BRAGA2
... atomic absorption spectroscopy to evaluate the intracellular levels of calcium, copper, iron, magnesium, manganese, nickel, phosphorus, potassium, sulfur and ...
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