ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Aliquots (200 ml. of liquid in all cases) of water, a 25 per cent aqueous suspension of ?Amberlite IRC-50(H)', 7 per cent disodium ethylenedtamine tetraacetate, dimethylformamide, N-methyl-2-pyrroiidone, 8 M urea, and 0.6 N sulphuric acid were used to extract 100 g samples of the partially humified ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/205068a0
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