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Experientia

, Volume 1, Issue 9, pp 330–332 | Cite as

Über Optik und Feinbau des Pektins und seiner Derivate

  • K. Wuhrmann
  • W. Pilnik
Vorläufige Mitteilungen

Summary

Investigations on fibres and folies of pectin show its negative double refraction (Eigendoppelbrechung). According to the X-ray diagrams the demethoxylated specimens «crystallize» in a higher degree than the original pectin. Calculations seem to support the hypothesis of folded chains.

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Copyright information

© Birkhäuser Verlag 1945

Authors and Affiliations

  • K. Wuhrmann
    • 1
  • W. Pilnik
    • 1
  1. 1.EMPA Hauptabteilung CSt. Gallen und Agrikulturchemisches Institut E. T. H. ZürichSwitzerland

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