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Measurement Techniques

, Volume 18, Issue 8, pp 1168–1170 | Cite as

Estimating the accuracy of measuring the diffusion constants of a gas in a solid

  • R. I. Van'kovich
  • I. V. Semchishin
General Problems of Metrology and Measurement Techniques
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Conclusion

The measurement of the permeability of a gas in a solid with the aid of a PV meter and an automatic-compression manometer in the range of flow values 10−5–10−3 W is characterized by a relative error of no more than 10–15%. Systematic errors are evidently not very serious.

The measurement of the diffusion coefficient D and solubility S of a gas in a solid using the methods here considered involves quite large errors, of the order of 50 and 60%, respectively, and considerable systematic deviations.

Keywords

Permeability Physical Chemistry Analytical Chemistry Diffusion Coefficient Relative Error 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature cited

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Copyright information

© Plenum Publishing Corporation 1976

Authors and Affiliations

  • R. I. Van'kovich
  • I. V. Semchishin

There are no affiliations available

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