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Method and apparatus for continuously determining the internal resistance of an electrolysis cell

  • US 3,969,669 A
  • Filed: 05/07/1975
  • Issued: 07/13/1976
  • Est. Priority Date: 06/05/1974
  • Status: Expired due to Term
First Claim
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1. A method for continuously determining the internal resistance (R) of an electrolysis cell from the voltage (U) at the terminals of the cell and from the current (I) flowing through the cell, a weak alternating current (if) of frequency (f) being superimposed upon the direct current (I) used for electrolysis, wherein the active part (rf) of the impedance which the cell offers to this alternating current is determined, followed by extrapolation to zero frequency of the function giving the active part (rf) of the impedance as a function of the frequency (f), this active value (rf) thus inclining towards the internal resistance (R) of the cell.

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