Difference between revisions of "Alpha alumina"
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The synthetic, hexagonal crystalline form of [[aluminum%20oxide|aluminum oxide]] that occurs naturally as the mineral [[corundum|corundum]]. As an abrasive, alpha alumina removes silver tarnish effectively but also removes a significant amount of silver (Wharton, et al, 1990). | The synthetic, hexagonal crystalline form of [[aluminum%20oxide|aluminum oxide]] that occurs naturally as the mineral [[corundum|corundum]]. As an abrasive, alpha alumina removes silver tarnish effectively but also removes a significant amount of silver (Wharton, et al, 1990). | ||
| − | == | + | == Comparisons == |
| − | + | [[media:download_file_231.pdf|Properties of Common Abrasives (pdf)]] | |
| + | |||
| + | ==Resources and Citations== | ||
| + | |||
| + | * G.Wharton, S.Lansing, W.Ginell, "A Comparative Study of Silver Cleaning Abrasives" ''JAIC'' 29:13-31, 1990. [http://aic.stanford.edu/jaic/articles/jaic29-01-002_indx.html LINK] | ||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 09:17, 26 April 2022
Description
The synthetic, hexagonal crystalline form of Aluminum oxide that occurs naturally as the mineral Corundum. As an abrasive, alpha alumina removes silver tarnish effectively but also removes a significant amount of silver (Wharton, et al, 1990).
Comparisons
Properties of Common Abrasives (pdf)
Resources and Citations
- G.Wharton, S.Lansing, W.Ginell, "A Comparative Study of Silver Cleaning Abrasives" JAIC 29:13-31, 1990. LINK