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Related Experiment Videos

C(2)H(4): its purification for biological studies.

E M Beyer1

  • 1Central Research Department, Experimental Station, E. I. du Pont de Nemours and Company, Wilmington, Delaware 19898.

Plant Physiology
|May 1, 1975
PubMed
Summary
This summary is machine-generated.

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Achieving ultra-high purity of radiolabeled ethylene ((14)C(2)H(4)) is crucial for biological studies. This research details a gas chromatographic method to purify (14)C(2)H(4), minimizing impurities from radiation decomposition and storage.

Area of Science:

  • Radiochemistry
  • Analytical Chemistry
  • Biotechnology

Background:

  • Commercial radiolabeled ethylene ((14)C(2)H(4)) often contains impurities like radioactive acetylene.
  • These impurities can interfere with sensitive biological studies.
  • Radiation decomposition is a significant source of impurity formation.

Purpose of the Study:

  • To develop and validate a gas chromatographic technique for ultra-high purity (14)C(2)H(4).
  • To identify and mitigate sources of impurity formation during purification and storage.
  • To ensure the suitability of (14)C(2)H(4) for biological applications.

Main Methods:

  • Purification of (14)C(2)H(4) using a two-column gas chromatographic system.
  • High-sensitivity gas chromatographic analysis to detect impurities.

Related Experiment Videos

  • Investigating impurity formation under various conditions, including storage and regeneration from mercury(II) perchlorate solutions.

    • Main Results:

    • Initial purification effectively removed detectable impurities.
    • Impurities were subsequently detected due to radiation decomposition.
    • Impurity formation was minimized by immediate regeneration from dilute, filtered Hg(ClO(4))(2) solutions.
    • Impurity generation increased with unpurified (14)C(2)H(4), storage in solutions, and concentrated solutions.

    Conclusions:

    • A robust gas chromatographic method can yield ultra-high purity (14)C(2)H(4).
    • Careful handling, immediate regeneration, and use of dilute solutions are critical to prevent impurity formation.
    • The purified (14)C(2)H(4) is suitable for demanding biological research.