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  • Gas-Sensing Electrodes
    a pH change which is sensed by an internal-glass pH electrode. Because the reference element is built-in, a separate reference electrode is not necessary. Carbon dioxide and ammonia are among the species measured by gas-sensing electrodes.
  • HNU Ion Selective Electrodes: How They Are Different (.pdf)
    The HNU monolithic design plus bonded membrane and body materials provide greater reliability, longer life, faster response times, and lower limits of detector for all HNU gas sensing electrodes compared to other designs.
  • Metal Inert Gas Process (MIG)
    wire and the base alloy work piece. The filler metal wire or consumable electrode is continuously fed and fused with the work piece. Externally supplied gas or gas mixtures provide shielding. In normal metal inert gas processing, no metal is transferred across the arc; metal is only deposited when
  • Tungsten Inert Gas (TIG) Welding Process
    The tungsten inert gas (TIG) welding process is commonly referred to as gas tungsten arc welding (GTAW). TIG welding process joins metals by melting base and filler metals with an arc struck between a tungsten electrode and the work piece. The tungsten electrode should not become part
  • What is the Purpose of a Gas Diffusion Layer (GDL)?
    The Gas Diffusion Layer (GDL) plays several critical roles in a typical fuel cell application and is often integrated as part of the Membrane Electrode Assembly (MEA). Typical applications that use GDLs consist of...
  • Auto Gas Permeability Testing of Battery Diaphragm
    Abstract: This article briefs on the battery structure, function of battery diaphragm and the influence of diaphragm gas permeability on battery property, and presents the field-testing conditions of Labthink BTY-Den. Diaphragm is one of the basic materials of battery. It locates between
  • Direct-Current Plasma (DCP)
    Direct-current plasma (DCP) is an excitation source for atomic emission and optical emission spectrometers. DCP is created by an electrical discharge between two electrodes. A plasma support gas is necessary, and argon (Ar) is common. Samples can be deposited on one of the electrodes
  • Flux Coated / Stick
    Flux coating is commonly applied to stick welding electrodes as well brazing rods or strips. Stick electrode welding or shielded metal arc welding is among the most widely used welding processes. The flux covering the electrode melts during welding or brazing, forming a gas, which shields the arc

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  • Encyclopedia of Applied Electrochemistry
    electrolyte gas electrode , RhPtAu/YSZ, depends on both the concentrations of oxygen and nitric oxide.
  • Handbook of Gas Sensor Materials
    The gas electrode , in which a porous metal layer is bound to an ion-conducting membrane such as Nafion design, was first reported in the mid-1980s (Katayama-Aramata et al. 1983; Kita et al. 1984; Kita and Nakajima 1986; Enea 1987).
  • Fuel Cell Science and Engineering: Materials Processes Systems and Technology 2 Volume Set
    The preparation procedure for rolled electrodes will be described in detail to illustrate the composition of PTFE-bonded gas electrodes .
  • PEM Fuel Cell Electrocatalysts and Catalyst Layers
    Using an anion exchange membrane instead of a liquid caustic alkali electrolyte in an alkaline fuel cell allows avoids problems of leakage, carbonation, precipitation of carbonate salts, and gas electrode flooding, increasing the volumetric energy density.
  • Chlorine-Advanced Commercial Chlor-Alkali Technology
    1994/10/19 Brine Electrolysis and Electrolytic Cell Therefor A method for brine electrolysis uses an electrolytic cell having a gas electrode that is permeable to gas and liquid arranged in a cathode chamber and in contact with an ion- exchange membrane.
  • Fuel cell technique
    [21] (a) A. SCHMID Stuttgart, The diffusion gas electrode : Enke, 1923; (b) Helv. Chim.
  • Electrochemical Dictionary
    Sometimes gas electrodes (especially the ! hydrogen electrode) have also been listed among electrodes of the first kind [vi].
  • Fuel Cells
    Mizusaki J, Tagawa H, Katou M, Hirano K, Sawata A, Tsuneyoshi K (1991) Electrochemical properties of some perovskite-type oxides as oxygen gas electrodes on yttria stabilized zirconia.