Vapour pressure of nitrogen below the tr
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W. Frels; D.R. Smith; T. Ashworth
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Article
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1974
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Elsevier Science
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English
⚖ 436 KB
Techniques are discussed whereby liquid helium consumption can be reduced by extension of the range of use of nitrogen. The vapour pressure-temperature relationship has been determined for commercial high-purity nitrogen from the triple point down to 45 K; this data conforms to the expression IogloP