期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 80, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3072881
关键词
hydrogen production; hydrogen storage; nuclear magnetic resonance; solid hydrogen; thermal conductivity
资金
- NSF [PHY 05-55486]
- National Sciences and Engineering Research Discovery Grant in Canada
- Japan Science and Technology Agency
The production of enriched para-H-2 is useful for many scientific applications, but the technology for producing and measuring para-H-2 is not yet widespread. In this note and in the accompanying auxiliary material, we describe the design, construction, and use of a versatile standalone converter that is capable of producing para-H-2 enrichments of up to >= 99.99% at continuous flow rates of up to 0.4 SLM. We also discuss para-H-2 storage and back conversion rates, and improvements to three techniques (thermal conductance, NMR, and solid hydrogen impurity spectroscopy) used to quantify the para-H-2 enrichment.
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