reference electrode with a vycor tip part number 5011
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made from CORNING GLASS 7930
Applications:
•Electrode Junctions/Frits
•Fluid Diffusion Barrier
•Electro-analytical
•Battery Studies
•Spectral Investigations
Physical Properties: *
Cylindrical Rods or Disks (0.129-0.143" dia.).
Approx. Specific Gravity (dry): 1.5
Void Space: 28% of Volume.
Internal Surface Area: 250 sq. m/gram
Average. Pore Diameter. (std): 40 Ang or 4 mill-microns
Appearance: opalescent
Loss Tangent at 25O C, 100 Hz: .007(1)
Dielectric Constant at 250C, 100 Hz: 3.1(1)
Electrical Impedance in Sat KCL: 500 Ohms
Discs: Koslow p/n 5011: price $81.00 each pack. Pack contains five pieces each of Vycor discs & Teflon sleeves. Each Vycor disc is 1/8 inch (3.3mm) long. These are used on Koslow Reference Electrodes**
2 pack minimum order.
Rods: Koslow p/n 5022: price $190.00 Box of three rods 12 inches (30.5 mm) long. 2 pack minimum order.
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Details
Vycor, Corning brand, code 7930, is an open-cell, porous glass which exhibits excellent absorbing properties. Due to its porosity, this material has an internal surface area of approximately 250 square meters per gram. Vycor porous glass is mechanically hard and strong, non-dusting, non- flaking, and chemically inert. Its primary use is in electrochemical applications. Reference Electrode frits may need to be changed periodically if potentials drift or if they get damaged or dirty.
* for other sizes and technical data www.corning.com
**Koslow's Mercury Oxide Reference Electrode uses frit #5089.
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