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  1. Chloriding Silver Wire
    April 29, 2013
    Here's how to chloride silver wire to use for making electrodes. Materials 9V transistor battery 9V transistor battery connector with color coded lead wires (2) small alligator clips 250ml beaker 175ml of 3M KCl 1 roll of 36g silver wire (0.005” dia) #2 pencil dental wax or clay forceps   Procedure Attach an alligator clip to the each lead of the 9V transistor battery connector. Pour the 3M KCl solution into the beaker. Wrap a 30cm length of the silver wire around the pencil to form a coil of ten turns. At one end of the coil, there should be a straight segment ab
  2. Ag/AgCl Half Cells
    April 29, 2013
    WPI's silver-silver chloride half cells are new, improved sintered pellets with lower resistance and high strength. They are stable and well-balanced in the presence of current. These small and inexpensive half-cells are easy to work with as bath electrodes.   RC1 /RC1T RC2
  3. Compare Dri-Ref Reference Electrodes
    April 29, 2013
    Dri-Ref™ reference electrodes were developed by WPI to have extremely low electrolyte leakage properties, hence the name “Dri-Ref.” In addition to this key feature, these electrodes exhibit stable and reproducible potential and low resistance. Stored in KCl when not in use, they have a long life expectancy. Low leakage is achieved by using KONBO™, a product combining modern ceramic and conductive polymer technology, as the liquid junction. Electrode resistance is low, an important consideration when making low-noise measurements. Although the internal filling solution contains KCI, the low fluid leakage means Dri-Ref may be used in combination with ion selective electrodes, including those for K+ and Cl-, without significant contamination from the reference electrode. The Dri-Ref electrodes are che
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