ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Cements were prepared from a powder and liquid mixed in the ratio 4 g: 1 ml. The powder was a ground opal glass, a fluorine-containing alumino-silicate (percentage composition 187 Si: 150 Al; 63 Ca: 57 Na; 133 F; 10 P; 400 O) which was prepared by fusing quartz, alumina, fluorite, cryolite and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/225272a0