ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Silica powder ('Cabosil') was heated at different tempera tures up to 1,100 C on a tantalum heater strip within an evaporation vessel at a pressure of 10-4-10-5 torr. The amount of powder used was approximately 3 mg, and it was maintained at a given temperature for 10 min before evaporation of the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/207518a0
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