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10 results for “H2SO4”
Lookup tables for H2SO4-H2O binary and H2SO4-H2O-NH3 ternary homogeneous and ion-mediated nucleation
<p>2019/10/10</p> <p>This directory contains fortran code and lookup tables for calculating<br> nucleation rate for the following four nucleation mechanims:<br> 1. H2SO4-H2O binary homogenous nucleation (BHN),<br> 2. H2SO4-H2O-NH3 ternary homogeneous nucleation (THN),<br> 3. H2SO4-H2O-Ions binary ion-mediated nucleation (BIMN), and<br> 4. H2SO4-H2O-NH3-Ions ternary ion-mediated nucleation (TIMN)</p> <p>References:</p> <p>1. Yu, F., Nadykto, A. B., Herb, J., Luo, G., Nazarenko, K. M., and<br> Uvarova, L. A.: H2SO4-H2O-NH3 ternary ion-mediated nucleation (BHN):<br> Kinetic-based model and comparison with CLOUD measurements, Atmos.<br> Chem. Phys.,18, 17451-17474,<br> https://doi.org/10.5194/acp-18-17451-2018, 2018.<br> 2. Yu, F., Nadykto, A. B., Herb, and J., Luo, H2SO4-H2O binary and<br> H2SO4-H2O-NH3 ternary homogeneous and ion-mediated nucleation: Lookup tables,<br> in review, GMD, 2019.</p> <p><br> Files included in the package:</p> <p>YBHN/: BHN code and lookup table<br> YTHN/: THN code and lookup table<br> YBIMN/: BIMN code and lookup table<br> YTIMN/: TIMN code and lookup table</p> <p>nucl_XXX_mod.f (XXX = BHN, THN, BIMN, TIMN): Stand alone module for XXX rate calculation.</p> <p>mainXXX.f: Test program to demonstrate how the lookup table is used.</p> <p>inputXXX.dat: Example input data for testing the code and lookup table.<br> outputXXX.dat: Example output after running the test code</p> <p>Use "f95 *.f" to compile and get executable program a.out</p> <p>To run the test program:</p> <p>>a.out</p> <p>For your reference, output of running the program on my workstation has been saved to outputXXX.dat.</p> <p>I hope that the comments provided in the subroutines make<br> the code self-explanatory. Contact me if you have questions.</p> <p>Enjoy and have fun!</p> <p>Fangqun Yu<br> SUNY-Albany<br> (fyu@albany.edu)</p>
Synergistic HNO3–H2SO4–NH3 upper tropospheric particle formation: data resources & code
<p>Data presented in the manuscript "Synergistic HNO3–H2SO4–NH3 upper tropospheric particle formation" currently in review.</p> <p>The manuscript associated with this data was written using results from the CLOUD experiment at CERN, and the author list is a subset of the CLOUD collaboration.</p>
Data for "The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest"
<p>This is the dataset that has been analyzed for "The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest". Please contact the author (chao.yan@helsinki.fi) for more details. </p>
Data set for "The interfacial structure of InP(100) in contact with HCl and H2SO4 studied by reflection anisotropy spectroscopy"
<p>This is the experimental raw data set associated with the following publication: M. Löw, M. Guidat, J. Kim, and MM May, <em>The interfacial structure of InP(100) in contact with HCl and H<sub>2</sub>SO<sub>4</sub> studied by reflection anisotropy spectroscopy</em>, RSC Advances 12 (2022), 32756-32764. <a href="https://doi.org/10.1039/D2RA05159A">DOI:10.1039/D2RA05159A</a></p> <p>The data set is organised along the figures of the publication. '.ers', '.erc', and '.ert' are spectra, colour plots, and transients, respectively, in the native format of Laytec's EpiRAS. '.par' files are in the data format from the Princeton Applied Research VersaSTAT 3F potentiostat. Spectra files containing the name 'Si100' are from Si(100) wafers with native oxide, used for zero-line correction as described in the paper.</p>
Enhanced Activated Carbon with H2SO4-activation of African Maize Cobs biomass for Supercapacitor electrodes material application
<p>The African Maize Cobs (AMC) biomass was converted into activated carbon (AC) for electrode materials for supercapacitor application. The carbonization was carried out with concentrated sulphuric acid and the activation was done in three (3) batches using activation temperatures of 600, 700 and 800<sup>o</sup>C. The AC materials were characterized by Thermogravimetric analysis (TGA-DSC), N<sub>2</sub>-adsorption-desorption isotherms, Field Emission Scanning Electron Microscopy (FESEM), Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD), Boehm titration, X-ray Photoelectron Spectroscopy (XPS), Raman Spectroscopy and electrochemical analysis (EC). The materials activated were highly functionalized with oxygen groups with total acidity of 0.440 – 0.464mmol/g, basicity of 0.09 – 0.420mmol/g and oxygen percentage composition of 22 – 32%. The AC materials were analysed with EC as electrode material for supercapacitor devices. The electrode materials revealed specific capacitance of; 456.4 F/g with 0.25 A/g giving energy of 63.39 Wh/kg and Power of 500 W/kg with AC-S-800 material and 6M KOH electrolyte using chronopotentiometry technique with potential limitation</p>
Enhanced Activated Carbon with H2SO4-activation of African Maize Cobs biomass for Supercapacitor electrodes material application
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Data from: Inhibition behavior of mild steel by three new benzaldehyde thiosemicarbazone derivatives in 0.5 M H2SO4: Experimental and computational study
Three new benzaldehyde thiosemicarbazone derivatives namely benzaldehyde thiosemicarbazone (BST), 4-carboxyl benzaldehyde thiosemicarbazone (PBST) and 2-carboxyl benzaldehyde thiosemicarbazone (OCT) were synthesized and their inhibition effects on mild steel corrosion in 0.5 M H2SO4 solution were studied systematically using gravimetric and electrochemical measurements. Weight loss results revealed that PBST exhibited the highest inhibition efficiency of 96.6% among the investigated compounds when the concentration was 300 μM. The analysis of polarization curves indicated that the three benzaldehyde thiosemicarbazone derivatives acted as mixed type inhibitors and PBST and OCT predominantly anodic. The adsorption process of all these benzaldehyde thiosemicarbazone derivatives on Q235 steel surface in 0.5 M H2SO4 solution conformed to Langmuir adsorption isotherm. Scanning electron microscopy was conducted to show the presence of benzaldehyde thiosemicarbazone derivatives on Q235 mild steel surface. The results of theoretical calculations were in good agreement with that of experimental measurements.
Data from: Inhibition behavior of mild steel by three new benzaldehyde thiosemicarbazone derivatives in 0.5 M H2SO4: Experimental and computational study
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MAGELLAN V RSS 5 OCCULTATION PROFILE ABS H2SO4 VOLMIX V1.0
This data set includes vertical profiles of 13-cm and 3.6-cm absorptivity and abundance of sulfuric acid vapor (H2SO4). The data set is composed of the following parameter fields (listed as the field name followed by a description).
MAGELLAN V RSS 5 OCCULTATION PROFILE ABS H2SO4 VOLMIX V1.0
This data set includes vertical profiles of 13-cm and 3.6-cm absorptivity and abundance of sulfuric acid vapor (H2SO4). The data set is composed of the following parameter fields (listed as the field name followed by a description).
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