ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE extraction of the carcinogenic hydrocarbon 3:4-benzpyrene from coal tar, whether by the original method of Cook, Hewett and Hieger1 (using repeated fractional distillation, extraction with solvents, formation of picrates, and crystallizations) or by Winterstein's ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/156601a0
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