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Elemental arsenic from arsenate?
Dithionite is supposed to work. But then so is hypophosphite, but [i]in hot conc. HCl.[/i] The same ... |
15-7-2008 at 02:22
by: S.C. Wack |
Palladium (II) catalyzed oxidation of Eugenol
Would you believe "eugenol.wacker.anomaly".pdf
http://psychedelichosting.info/Ionium/Rhodium/pdf/ |
14-7-2008 at 02:47
by: S.C. Wack |
Glassblowing
[quote][i]Originally posted by JohnWW[/i]
(missing from that DJVU scan of it)[/quote]
I have an ... |
12-7-2008 at 03:50
by: S.C. Wack |
Separation of Lead and Silver?
If you don't have much excess HNO3 present, add only enough HCl to precipitate everything, and dilut ... |
11-7-2008 at 15:08
by: S.C. Wack |
Can I store nitric acid safely?
I have used plastic coolers of all sizes for storage in the past. If you want cooling, well I guess ... |
10-7-2008 at 15:56
by: S.C. Wack |
Chlorate from pool chem?
The filter was a Pyrex 36060 10-15 micron. These and similar Kimax filters get a lot of use. It is s ... |
8-7-2008 at 15:07
by: S.C. Wack |
Chlorate from pool chem?
[quote][i]Originally posted by chemoleo[/i]
I think I mentioned this before somewhere, but Ca(OCl)2 ... |
6-7-2008 at 20:08
by: S.C. Wack |
trimethyl borate
Properties of the Azeotrope.
b.p. 54° at 750 mm., 75.5% methyl borate by weight.
A. Preparation ... |
5-7-2008 at 18:24
by: S.C. Wack |
how to find one compound in literature comprehensively?
Seconded. Scifinder is generally worthless for references over 30-40 years old.
Note that the OP ... |
4-7-2008 at 20:55
by: S.C. Wack |
constant boiling hydrobromic acid
You said lagging a column is nonsense. I said it isn't. You say I'm so full of shit because I'm so s ... |
3-7-2008 at 10:28
by: S.C. Wack |
constant boiling hydrobromic acid
[quote][i]Originally posted by blogfast25[/i]
The truth is that you don't really know what you're d ... |
3-7-2008 at 08:48
by: S.C. Wack |
constant boiling hydrobromic acid
[quote][i]Originally posted by blogfast25[/i]
[b]S.C. Wack:[/b]
The fact that someone is a profe ... |
3-7-2008 at 06:15
by: S.C. Wack |
Ethyl/Isopropyl Bromide preparation
[quote][i]Originally posted by smuv[/i]
Maybe the addition of water could help, but honestly I have ... |
3-7-2008 at 06:02
by: S.C. Wack |
constant boiling hydrobromic acid
Yale Professor Emeritus of organic chemistry Ken Wiberg wrote in his younger, no doubt clueless, dru ... |
2-7-2008 at 16:01
by: S.C. Wack |
constant boiling hydrobromic acid
[quote][i]Originally posted by blogfast25[/i]
A vigreux column should never be insulated because by ... |
2-7-2008 at 04:59
by: S.C. Wack |
What happened to rhodium and Hive
The Hive was also very intolerant of idiots and trolls. Their posts would be hidden and downrated.
... |
27-6-2008 at 04:32
by: S.C. Wack |
What happened to rhodium and Hive
The hundreds of posts an hour is nonsense. There were 15-50 people logged in at any one time. It had ... |
26-6-2008 at 16:01
by: S.C. Wack |
Sword Forging!
Some may say that they've got Damascene steel all figured out. I bet that a lot of people have said ... |
24-6-2008 at 06:00
by: S.C. Wack |
Synthesis of 4-hydroxybenzaldehyde from phenol?
In this case demethylation with HBr would be in the usual solvent of GAA, or would require some PTC ... |
23-6-2008 at 02:26
by: S.C. Wack |
Synthesis of 4-hydroxybenzaldehyde from phenol?
Oxidation of anethole and demethylation of the anisaldehyde can't be worse than R-T, unless you have ... |
21-6-2008 at 19:59
by: S.C. Wack |
Homebuilt 1300°C tube furnace
Not sure if this is of interest, but the resistance of my 2070W Lindberg is 6 ohms. BTW it did not c ... |
21-6-2008 at 00:30
by: S.C. Wack |
Pepper to Piperine problem
[quote][i]Originally posted by LSD25[/i]
the material in the photo - made up of at least 80% salt a ... |
20-6-2008 at 02:45
by: S.C. Wack |
Pepper to Piperine problem
[quote][i]Originally posted by not_important[/i]
Black Pepper: Piper Nigrum
By P. N. Ravindran
Pu ... |
19-6-2008 at 02:56
by: S.C. Wack |
A decent scale
Microgram? You must mean milligram. My microbalance (0.0000001-3.5000 g.) is probably 20 years old, ... |
18-6-2008 at 02:26
by: S.C. Wack |
Fractional Distillation of Nitro-Toluene
I believe that the base washing is not just to neutralize acid, it is to remove any cresols present, ... |
17-6-2008 at 13:47
by: S.C. Wack |
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