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4 results returnedMethod of analysis of impurities in helium in the parts-per-billion range
An improved method and apparatus for analysis of impurities in helium
Mass spectrometer method for determining parts per billion helium-3 in helium
Gravimetric preparation of primary standard gas mixtures in the parts per trillion range
Published Year
Subject
- Helium--Analysis (4) *
- Analytical chemistry--Quantitative (1)
- Chemistry, Analytic--Quantitative (1)
- Helium--Isotopes (1)
Author
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