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Etching Pyrex to "Frost" or Roughen Surface
I just read from old book that fumes of hydrofloric acid etch glass and make frosted surface in cont ... |
8-7-2005 at 12:14
by: chromium |
Glacial acetic acid...
I do not belive that 93% sulfuric does not give glacial acetic acid when sodium acetate is distilled ... |
7-7-2005 at 22:07
by: chromium |
dimethylformamide
Following US patents are also about DMF synthesis: 1777777, 2204371, 2677706, 2866822, 3412151, 4218 ... |
7-7-2005 at 21:50
by: chromium |
Important chemicals
Must have chemical is probably sulfuric acid. Other acids, such as hüdrochloric, nitric and acetic ... |
4-7-2005 at 22:53
by: chromium |
spectroscope
Journal of chem education is quite usefull reading. I did not know it before. Thanks jim! |
30-6-2005 at 12:30
by: chromium |
spectroscope
I once made simple CD spectroscope. It is very easy - just piece of CD disk and some lightproof box ... |
29-6-2005 at 13:58
by: chromium |
