Chemical elements
  Nickel
    History
    Occurrence
    Isotopes
    Energy
    Production
    Preparation
    Application
    Catalyst
    Physical Properties
      Gravity
      Hardness
      Mechanical Properties
      Compressibility
      Plastic Flow
      Coefficient of Expansion
      Thermal Conductivity
      Molten Nickel
      Magnetic Power
      Thermal Properties
      Index of Refraction
      Radiation Energy
      Spectrum
      Absorption Spectra
      X-ray Spectrum
      Emission of Electrons
      Photoelectric Effect
      Ionization Potentials
      Conductivity
      Conductivity of Crystal Nickel
      Voltaluminescence
      Contact Potential
      Electrochemical Series
      Electrode Potential
      Over-voltages
      Salts Solutions
      Electrodeposition
      Nickel-Iron Accumulator
      Thermoelectric Force
      Peltier effect
      Thomson effect
    Compounds
    PDB 1a5n-1g2a
    PDB 1g3v-1mn0
    PDB 1mro-1s9b
    PDB 1scr-1xmk
    PDB 1xu1-2cg5
    PDB 2cqz-2jih
    PDB 2jk8-2v4b
    PDB 2vbq-3c2q
    PDB 3c6c-3h85
    PDB 3hdp-3kvb
    PDB 3l1m-3o00
    PDB 3o01-4ubp
    PDB 8icl-9ant

Contact Potential of Nickel






W. Ende measured the gas-metal contact potential difference between pieces of the same metal in air and in vacuo; and M.Andauer obtained -0.32 volt for the potential of nickel in air. S. J. French and L. Kahlenberg studied the gas-metal electrode of nickel in hydrogen, oxygen, and nitrogen. R. D. Kleeman and co-workers studied the negative charge assumed by nickel in contact with a liquid. The contact potential of nickel was studied by M. Forro and E. Patai, P. H. Dowling, H. Kosters, and O. Stierstadt. G. N. Glasoe found 0.20 volt for the contact potential of nickel and iron; G. Monch measured the effect with nickel and copper, and nickel and silver; and J. E. Schrader found the contact potential of nickel and copper to be 0.25 volt, and with simultaneous heat treatment of the metal, the difference of potential was -0.15 volt with high frequency, induced current. O. Scarpa, and E. Dubois also studied the Volta effect; and L. Bernoulli, V. Freedericksz, and A. Hesehus, the position of nickel in Volta's contact series.


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