ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Fig. 1. The sample was prepared by dispersing dry crude montmorillonite (Wyoming Bentonite) in water, containing 1 ml. of 30 per cent hydrogen peroxide/100 g of clay (to oxidize any organic matter) and centrifuging to remove gritty impurities such as silica. The sample was converted to the sodium ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/222263a0