ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1. Chromatogram of air gases from an alumina column purged with carbon dioxide. Figures in parentheses are values for the composition of dry air. Instrument: Beckman GC-4 Column, 4ft. x 1/8 in. aluminium packed with 60/80 mesh F-20 'Microtek' alumina (activated by passing helium carrier ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/211965a0