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PbO2
The 100C figure is probably the point where it begins to lose acetic acid. It probably isn't a ... |
10-7-2005 at 18:49
by: S.C. Wack |
Etching Pyrex to "Frost" or Roughen Surface
Well, I do know from experience that hot phosphoric acid + other stuff will do some frosting, but th ... |
10-7-2005 at 18:30
by: S.C. Wack |
condensers
Don't know what to say. Mine is a 60 gph Beckett rated for a foot of lift, 40 gph @ 2'. Wo ... |
5-7-2005 at 21:07
by: S.C. Wack |
tricalcium phosphate
Well, what happens on adding a lot of water to the gel?
This may explain why some here say that C ... |
4-7-2005 at 10:31
by: S.C. Wack |
ammonium acetate
FWIW, these are the entries for the ammonium formates and acetates in the 1936 edition of Gmelin ... |
24-6-2005 at 15:54
by: S.C. Wack |
ammonium acetate
I'm not sure that using less-than-glacial acetic acid is practical. Perhaps a way that this cou ... |
23-6-2005 at 12:00
by: S.C. Wack |
unconventional sodium
This is Winkler's 14 page article, published in 1890. It presents several Mg reduction experime ... |
23-6-2005 at 11:38
by: S.C. Wack |
Gallic acid from trees
An excellent 116 page pdf on tannins:
http://www.users.muohio.edu/hagermae/tannin.pdf
Sources of ... |
20-6-2005 at 21:09
by: S.C. Wack |
Gallic acid from trees
The acid is not the most convenient precursor, so it would be unwise for LE/govt to watch this. Thou ... |
20-6-2005 at 20:39
by: S.C. Wack |
Phosphorus Chlorides
Believe it or not, the subject of matchbooks has come up before, such as
https://sciencemadness.org ... |
19-6-2005 at 07:50
by: S.C. Wack |
Acetic anhydride, the 2nd.
I came across a reference somewhere else, it may be what they are talking about. The yields in this ... |
15-6-2005 at 13:24
by: S.C. Wack |
High vacuum CHEAP and dirty!
I got the same thing for much less a few years ago at Harbor Freight. Cynmar sells it for $20. $10 w ... |
14-6-2005 at 17:17
by: S.C. Wack |
oleum & SO3
The mp is a tip-off. If you are heating at the proper temperature, there will be a crust of pyrosulf ... |
8-6-2005 at 11:16
by: S.C. Wack |
Reduction of KMnO4
Asstalking guess: the color is Mn+3 some acid. The oxalate seems reasonable and manganic oxalate sol ... |
5-6-2005 at 14:05
by: S.C. Wack |
emule
the list.
[Edited on 30-5-2005 by S.C. Wack] |
30-5-2005 at 11:21
by: S.C. Wack |
2-Br Propionic Acid Physical Properties
Pretty high yield.
[quote]And there's also a similar procedure for the Chloroacid from
Orga ... |
21-5-2005 at 11:46
by: S.C. Wack |
Acetaldehyde synthesis
Page 4686 of JCS (1956) claims a 50% yield by reflux of EtOH with excess MnO2 for 20 min. No expli ... |
21-5-2005 at 11:42
by: S.C. Wack |
Question on making CH3NO2?
Not exactly.
Search WD. |
21-5-2005 at 11:28
by: S.C. Wack |
Stupid nomenclatura question
http://www.cognitiveliberty.org/shulgin/adsarchive/nomenclature.htm |
19-5-2005 at 19:24
by: S.C. Wack |
Indole from feces
the article. |
19-5-2005 at 13:29
by: S.C. Wack |
Chromium isolation
The electric yellow of chromate and sugar drink orange of dichromate are unmistakable but not indica ... |
19-5-2005 at 08:23
by: S.C. Wack |
Hydrazine
Found the Gmelin's reference mentioned earlier in 23, 565 (1936):
Hydrazoniumborat (N2H5)2H4 ... |
12-5-2005 at 19:17
by: S.C. Wack |
Chromium isolation
The only way I know of to separate the metals at this point would be to add NaOH/peroxide to get sol ... |
11-5-2005 at 17:52
by: S.C. Wack |
Um, okay....freon anyone?
I think the figure is 100000.
Yes, R-22 is different, it has 1/20 the ODP of R-11:
http://www.ep ... |
9-5-2005 at 20:08
by: S.C. Wack |
Um, okay....freon anyone?
Said cpd is R-22, not yet illegal to produce until 2010, but then only for new equipment, until prod ... |
9-5-2005 at 19:02
by: S.C. Wack |
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