Production of Capillary Pipettes

  • Volker Neuhoff
Part of the Molecular Biology Biochemistry and Biophysics book series (MOLECULAR, volume 14)


Pyrex glass tubing (soft glass is not suitable!) of 4mm external diameter and 2 mm inner diameter, is cut into 10 cm lengths. A piece of tubing is held between thumb and first finger and held at the point of the flame of a pressure burner. (Switching-on sequence for the burner is: gas, O2, compressed air; switching-off in reverse order.) The length of the flame is adjusted to 3–4 cm as shown in Fig. 1.


Glass Tube Final Thickness Reverse Order External Diameter Flexible System 
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  1. El-Badry, H.M.: Micromanipulators and Micromanipulation. In: Monographien aus dem Gebiet der qualitativen Mikroanalyse, Bd. 3, hrsg. von A.A. Benedetti-Pichler. Wien: Springer 1963.Google Scholar
  2. Lowry, O.H., Passonneau, J.V.: A flexible system of enzymatic analysis. New York-London: Academic Press 1972.Google Scholar
  3. Mattenheimer, H.: Mikromethoden für das klinisch-chemische und biochemische Laboratorium, 2. Aufl. Berlin: Walter de Gruyter & Co. 1966.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1973

Authors and Affiliations

  • Volker Neuhoff
    • 1
  1. 1.Medizin (Arbeitsgruppe Neurochemie)Max-Planck-Institut für ExperimentelleGöttingenGermany

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