ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The mainstream smoke of 300 US non-filter cigarettes4 was led through cold methanol containing 3.5 per cent HC1. The dry, basic fraction of the trapped smoke (3.0 g) was dissolved in ether and treated with penta-fluoropropionic anhydride (1.5 g). After 18 h at room temperature the ether solution ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/221254a0
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