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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 9, Iss. 1 — Jan. 1, 1924
  • pp: 65–72

PORTABLE UNSATURATED WESTON CELLS

WARREN C. VOSBURGH and MARION EPPLEY

JOSA, Vol. 9, Issue 1, pp. 65-72 (1924)
http://dx.doi.org/10.1364/JOSA.9.000065


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WARREN C. VOSBURGH and MARION EPPLEY, "PORTABLE UNSATURATED WESTON CELLS," J. Opt. Soc. Am. 9, 65-72 (1924)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-9-1-65


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References

  1. Vosburgh and Eppley, J. Amer. Chem. Soc., 45, p. 2268; 1923.
  2. (a) Laws, Electrical Measurements, McGraw Hill Book Co., New York, p. 300, 1917. (b) De Lury, Phys. Rev., 25, p. 492; 1907. (c) Cohen and Kruyt, Z. Physik. Chem., 72, p. 38; 1910. (d) Rodman and Spooner, Trans. Am. Electrochem. Soc., 38, p. 99; 1920.
  3. Electrician, 30, p. 741; 1892.
  4. Tinsley, Electrician, 65, p. 568 (1910).
  5. (a) Steinwehr, Z. Electrochem., 12, p. 579; 1906. (b) Hulett, Phys. Rev., 32, p. 259; 1911.
  6. Hulett, Phys. Rev., 33, p. 307; 1911.
  7. Vosburgh and Eppley, J. Am. Chem. Soc., 46, p. 109; 1924.
  8. Eppley and Gray, J. O. S. A. & R. S. I., 6, p. 859; 1922.
  9. Ref. 7, p. 106.
  10. Generally the equilibrium electromotive force at 25° was used in calculating the hysteresis. In these cells such a long time was required for the attainment of equilibrium that reliable values at 25° were not obtained at the time of the test. The temperature coefficients were small, however, and the electromotive forces 25° and 35° must have been nearly equal. See Table 2.
  11. The cells were kept at room temperature during this time.
  12. Ref. 7, p. 110.
  13. The cadmium sulfate was recrystallized, the mercury was redistilled in a current of air at reduced pressure, the amalgam was prepared by transferring cadmium electrolytically from sticks of commercial cadmium to the mercury, and the mercurous sulfate was prepared electrolytically.
  14. The solubility of cadmium sulfate is dependent on the acidity of the solution.
  15. Hulett, (a) Trans. Am. Electrochem. Soc., 14, p. 76; 1908. (b) Phys. Rev. 27, p. 350; 1908.
  16. The preparation designated as mercurous sulfate No. 6 in a previous paper. (Ref. 7).
  17. See Hulett, Ref. 15a, p. 85, Ref. 15b, p. 358.
  18. See Ref. 1, p. 2274.

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