Elemental analysis
Finite Elemental Analysis of Pull and Release Trolley for Conducting Vehicle Crash Tests
... finite elemental analysis technique is used over the analytical and experimental technique of ...final analysis is done with the help of Hypermesh V12 and LS-DYNA V971 R6 ...the analysis are ...
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Elemental analysis of aerosol organic nitrates with electron ionization high-resolution mass spectrometry
... AMS elemental analysis only con- siders fragments up to m/z =100, if a larger fraction of the total carbon relative to oxygen is contained in the excluded fragments greater than, m/z =100, then the AMS O/C ...
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Elemental analysis of aerosol organic nitrates with electron ionization high-resolution mass spectrometry
... similar analysis was performed on the N:C because Table 3 shows that nitrogen is found on average at even lower m/z than is oxygen and yet no significant offset was found in the AMS/thermal N:C ...
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J. Braz. Chem. Soc. vol.27 número9
... using elemental analysis by ...routine analysis, comprising a fast and simple method and opening new possibilities for simultaneous determination of sulfur and other analytes in ...simultaneous ...
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CHARACTERIZATION OF RESIDUES FROM PLANT BIOMASS FOR USE IN ENERGY GENERATION Luana Elis de Ramos e Paula1 , Paulo Fernando Trugilho2 , Alfredo Napoli3 , Maria Lúcia Bianchi4 (received: March 15, 2010; accepted: February 25, 2011)
... ABSTRACT: The use of plant residues for energy purposes is already a reality, yet in order to ensure suitability and recommend a given material as being a good energy generator, it is necessary to characterize the ...
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J. Braz. Chem. Soc. vol.17 número6
... and elemental analysis. NMR analysis was performed on a Varian Unity 300 MHz spectrometer with samples dissolved in deuterochloroform, at 40-50% v/v, and TMS used as ...
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Methods of soil organic carbon determination in Brazilian savannah soils
... ysis. Elemental analysis (CHNS/O) allows for rapid and reliable determinations by dry combustion; however, the cost of each determination is higher than the cost of wet combustion methods (Segnini et ...
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J. Braz. Chem. Soc. vol.13 número2
... structural analysis, magnetic properties and elemental analysis and the critical temperature of the compounds indicate the interlocked structure to be the most likely for these new molecule-based ...
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Eclet. Quím. vol.32 número3
... with dimethoxybenzoic acid have been studied. Therefore, there are papers that deal with their complexes with d and mainly 4f metal ion elements [3-13]. The complexes described in the above – mentioned papers were ...
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Mat. Res. vol.19 número2
... (TFA=deprotonated triluoroacetic acid; DMSO=dimethyl sulfoxide) isolated from solution (prepared according to a new synthesis method). Further, we present a detailed characterization of the solid form by X-ray powder ...
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Characterization of Nano-Structured Nickel-Cobalt Ferrites Synthesized By Citrate-Gel Auto Combustion Method
... sample. Elemental composition characterizations of the prepared samples were performed by Energy Dispersive Spectroscopy (EDS) which shows the presence of Ni, CO, Fe and O without precipitating ...
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Ciênc. saúde coletiva vol.15 número2
... Limitations do exist in using HSEES data to identify elemental mercury exposures among chil- dren. The HSEES data source is intended to build capacity in state health departments for surveil- lance of acute ...
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Braz. J. Phys. vol.35 número3B
... thick Mylar absorber (30µm ) was used to avoid the detec- tion of back-scattering protons, and a ”funny filter” made of a 300µm thick Mylar with 0.1mm hole was used to equalize the detection yield and reduce low energy ...
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A SCIENTIFIC INVESTIGATION OF THE ANCIENT JEWELS FOUND IN THE IBIDA SITE, ROMANIA
... Excavations at Ibida revealed a suite of objects with different uses. This study selected some of them, grouped by area of use. In this paper we will present the results of the SEM-EDX and micro-FTIR analysis ...
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Petrogênese de plútons graníticos do leste paulista: geocronologia, geoquímica elemental...
... In some cases, xenocrysts are rare or very small (e.g., a few round mantled plagioclase crystals); such enclaves may be rich in biotite clots. As a means of distinction t[r] ...
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Gaseous elemental and reactive mercury in southern New Hampshire
... pact may be dependent on the chemical form of the emitted species (EPA, 1997). Total gaseous mercury (TGM) in the atmosphere consists of two primary forms, elemental Hg (Hg ◦ ) and divalent reactive gaseous Hg ...
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Summertime elemental mercury exchange of temperate grasslands on an ecosystem-scale
... Abstract. In order to estimate the air-surface mercury ex- change of grasslands in temperate climate regions, fluxes of gaseous elemental mercury (GEM) were measured at two sites in Switzerland and one in Austria ...
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Elemental composition of the atmospheric aerosol in the central Amazon basin.
... the elemental composition of aerosol particles were investigated in both fine and coarse modes during the dry and wet ...the elemental composition, while the concentration of black carbon was obtained from ...
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Determinação da razão isotópica 87Sr/86Sr por ICP-MS no sistema solo-vinho
... geographical provenance. The strontium isotope ratio 87 Sr/ 86 Sr has been suggested to be a promising fingerprint for wine provenance identification. It is based on the assumption that there is a correlation between the ...
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Loading-dependent elemental composition of α-pinene SOA particles
... The chemical composition of secondary organic aerosol (SOA) particles, formed by the dark ozonolysis of α -pinene, was characterized by a high-resolution time-of-flight aerosol mass spec[r] ...
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