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Showing 1 to 20 of 67 for “"AgCl"”.
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Optical absorption of pure and mixed silver halides a low temperatures
The low level indirect optical absorption of pure AgCl and AgBr has been measured between 4.20 K and0 77 K . The corresponding indirect optical absorption of AgCl~AgBr mixed crystals has also been measured in the same temperature range. The temperature dependence of the absorption spectra of pure …
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Metallic and bimetallic catalysts for electrochemical reduction of problematic aqueous anions
… nitrate at pH 1 with an onset of -300 mV vs. Ag/AgCl. In-modified Pd wire is also found to exhibit reduction at -300 mV and carbon-supported Pd/In, and the Pd/In/Au electrode were both found to catalyze nitrate reduction at an onset of approximately -200 mV vs. Ag/AgCl in a perchloric acid …
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Scavenging of atmospheric particles by water drops
… for the cases of a water drop collecting AgCl aerosols and a water drop collecting submicron cloud droplets. It is found that the collection efficiency depends mainly on the diffusion process. Our calculations agree reasonably well with recent experimental results of Kerker for AgCl …
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Infrared absorption by localized polarons in the silver halides
… The longitudinal optical frequencies in AgBr and AgCl were measured directly for the first time at low temperatures using a variation of the technique of Berreman. At 7oK, the longitudinal optical frequency was 140 ± 1 cm- l in AgBr, and 197 ±l cm-1 in AgCl.
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Voltage Effects on Cells Cultured On Metallic Biomedical Implants
… voltages ranging from -1000 to +500 mV (Ag/AgCl). Moreover, electrochemical currents and metal ion concentrations at each voltage were measured and related to the observed responses. Results show that cathodic and anodic voltages outside the voltage viability range (-400 < V < +500) lead to …
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Controlling the emergent microstructures in template-directed eutectic solidification for optical applications
… In Chapter 2, molten salt eutectic material, AgCl-CsAgCl2, was explored as photonic crystals. Given the complex nature of thermal profile- and processing-dependent microstructural transition in AgCl-CsAgCl2 eutectic, the template-directed eutectic solidification was carried out using the model …
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Fabrication of Cu2O based homostructure thin film using electrodeposition method
… 60 ℃ and deposition potential of -0.125V vs Ag/AgCl. Meanwhile, the optimum parameters for fabrication of p-type Cu2O on n-type Cu2O/FTO susbstrate were pH of 12.5, deposition time of 2 hours, bath temperature of 40 ℃ and potential deposition of -0.4 V vs Ag/AgCl. The p-type Cu2O based …
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The Electroreduction of Carbon Dioxide on Porous Copper Nanoparticles
… for one hour at -1.2, -1.6, and -2.2 V vs. Ag/AgCl in kinetic and diffusion limited regimes. All nanoparticles exhibited activity towards CER and displayed excellent stability for at the potentials tested. The current densities observed during bulk electrolysis at -2.2 V vs. Ag/AgCl were …
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Solidification of eutectics utilizing directional solidification and confining templates for optical metamaterial applications
… binary eutectic systems consisting of Pb-Sn, AgCl-KCl, and (d)-camphor-biphenyl. The Pb-Sn system is a well-studied eutectic system and provides large optical responses due to the plasmonic effect naturally found in metals. AgCl-KCl was used due to the ability to easily form a very uniform …
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Método voltamétrico para quantificação de sulfentrazone em amostras de solo
… trabalho, próximo ao potencial +0,936 V vs. Ag|AgCl, KCl sat 3 mol L -1 quando foi utilizando o eletrodo de carbono vítreo (GCE) em KOH 0,10 mol L -1 . Observou- se, também, resultados semelhantes próximo ao potencial +0,972 V vs. Ag|AgCl, KCl sat 3 mol L -1 quando se utilizou o eletrodo de ouro …
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Electrochemistry of Polyaniline-DNA System.
… in the potential range of –0.2V to 0.8 V vs. Ag/AgCl reference electrode, respectively. The ultraviolet-visible (UV-Vis) spectroscopy, the alternating-current impedance, the electrochemical quartz crystal microbalance (EQCM) and the voltammetry techniques have been used to characterize the above …
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NOVEL ETHYLENE-BRIDGED HEXADENTATE BIS(AMIDINES), BIS(AMIDINATES), AND MULTINUCLEAR COINAGE METAL BIS(AMIDINE) COMPLEXES
… towards CuCl, [(Me<sub>2</sub>S)AuCl], AgCl, and AgNO<sub>3</sub>, a series of Group 11 metal precursors, has been investigated. This has resulted in bimetallic-dichloro complexes [<strong>L<sup>4</sup></strong>H<sub>2</sub>(AuCl)<sub>2</sub>] (<strong>1</strong>) and …
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First-principles structure prediction of extreme nanowires
… a close approximation to the Raman spectra of AgCl ENWs at a fraction of the computational cost that would otherwise be necessary. The encapsulation of AgCl was shown to produce substantial shifts in the Raman spectra of nanotubes, providing an important link with experiment. A method was …
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Probing the Redox and Photophysical Properties of Ru(II)-Pt(II) Supramolecular Complexes as Efficient Photodynamic Therapy Agents
… at +1.61 (dpp) and +1.63 (dpq) V vs. Ag/AgCl with an irreversible PtII/IV oxidation occurring prior at +1.51 V vs. Ag/AgCl. Four reversible ligand reductions occur at -0.45 (dpp0/-), -1.15 (dpp-/2-), -1.33 (Ph₂phen0/-), and -1.52 (Ph₂phen0/-) V vs. Ag/AgCl. For the …
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A Mossbauer study of divalent iron in silver chloride crystals
… Mossbauer measurements on single crystals of AgCl(Fe++) in magnetic fields at 4.20K showed that the sign of the quadrupole interaction is positive. The interpretation of the magnetic field measurements in the spin Hamiltonian formalism also were consistent with the vacancies occupying …
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An electrochemical reduction process for the recovery of copper powder from a refinery effluent stream
… process with sulfuric acid to precipitate AgCl(s). The filtrate from this process then undergoes an electrochemical reduction process to recover copper metal concentrate. The objectives of this study were to: i. Determine the operating conditions for an electrochemical reduction process …
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Chemical corrosion of Ag films on glass
… reaction products formed in wet HCl vapor are AgCl, NiC1<sub>2</sub>, CuCl and Cu<sub>2</sub>O, while those in saturated water vapor were Ag<sub>2</sub>O, NiO, Cu<sub>2</sub>O and oxalates. The corrosion of open Ag films in saturated water vapor was due to Ag-agglomeration, Ag-alkali …
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Visualization of Near-Surface Flow Patterns for Air-Water Gas Transfer
… best results were achieved using the precipitate AgCl, formed by AgNO 3 in the water body and a controlled influx of HCl gas. Trace amounts of precipitate are made visible by scattering laser light. Using the new method, the influence of wind induced turbulences at the water interface can be …
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USE OF GAS EMISSION BY BIOELECTROCHEMICAL APPROACHES FOR POWER-TO-X
… cathode polarizations (−0.6 and −1.0 V vs Ag/AgCl), alongside an unpolarized control. Carbon-cloth electrodes functional-ized with wood-derived biochar were used as cathodes. More negative cathodic polarization enhanced CO2 and N capture (up to 39 ± 2% and 6.7 ± 0.8%, respectively) and protein …
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Biofilm formation by Shewanella oneidensis MR-1 towards fundamental understanding of anode respiring communities
… (-0.4 , -0.3, +0.1 and open circuit vs Ag/AgCl). Results indicated only the electrode with an applied potential of -0.3 V (corresponding to accumulation of oxidized riboflavin on the surface) retained biomass in the form of a biofilm. Furthermore, this biofilm exhibited a nonreversible …
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