Corpus ID: 7078715

THE COMBINATION OF GELATIN WITH HYDROCHLORIC ACID

@article{HitchcockTHECO,
  title={THE COMBINATION OF GELATIN WITH HYDROCHLORIC ACID},
  author={David Ingersoll Hitchcock},
  journal={The Journal of General Physiology},
  volume={12},
  pages={495 - 509}
}
  • David Ingersoll Hitchcock
  • Medicine
  • The Journal of General Physiology
  • 1. Cooper's gelatin purified according to Northrop and Kunitz exhibited a minimum of osmotic pressure and a maximum of opacity at pH 5.05 ±0.05. The pH of solutions of this gelatin in water was also close to this value. It is inferred that such gelatin is isoelectric at this pH and not at pH 4.70. 2. Hydrogen electrode measurements with KCl-agar junctions were made with concentrated solutions of this gelatin in HCl up to 0.1 M. The combination curve calculated from these data is quite exactly… CONTINUE READING

    References

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    4 X 10 -4 equivalents of H + and 1.7 X 10 -4 equivalents of C1-per gram gelatin. The writer wishes to ackowledge the faithful assistance of Miss Esther R. Mason
      The combination curve calculated from these data is quite exactly horizontal between pH 2 and 1, indicating that 1 gin. of this gelatin can combine with a maximum of 9
        measurements of the cell without liquid junction, Ag, AgC1, HC1 -k gelatin, H~