ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have avoided the need for a two-fold test by placing a normal gas-chromatographic column in series with the measuring channel of a heat-conductivity cell, a 10-cm column filled with Linde 5A molecular sieves (50/80 mesh) and the measuring channel of a second heat-conductivity cell. This ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/199170a0
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