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Book scanning.
I have a Canon and a Visioneer. I purchased my first scanner just last July 16. Being rated high or ... |
29-10-2004 at 16:32
by: S.C. Wack |
Ethylene oxide synthesis
It can be done. The best way would probably be to warm up the glycol and suck HCl gas through it, di ... |
26-10-2004 at 20:45
by: S.C. Wack |
Ethyl Iodide
No, you will get NaI dissolved in EtOH.
Google is not what you should be reading, a number of te ... |
25-10-2004 at 11:41
by: S.C. Wack |
phthalic anhydride
You can find it by UTFSSE at the Hive, you don't have to log in or anything. [hint]naphthalene ... |
24-10-2004 at 20:23
by: S.C. Wack |
Permanganate
I used to make mine using air as the O source. The KOH that I was using at the time was in aq. solut ... |
19-10-2004 at 20:38
by: S.C. Wack |
Okey Dokey.
Heating the sulfate with Na2CO3 will give you BaCO3 in high yield. |
19-10-2004 at 19:04
by: S.C. Wack |
ed2k and emule, thread hijackers
I had no problems getting the pdf (complete with handwritten translations to German) by clicking the ... |
16-10-2004 at 22:42
by: S.C. Wack |
Precipitated copper powder
Rex- Not with CuSO4. This anhydrous salt can be used to dry HCOOH. chemoleo is of course correct. |
16-10-2004 at 17:52
by: S.C. Wack |
Altering the properties of the glassware we work with, advantages, disadvantages?
On surface potassium substitution:
http://www.google.com/search?hl=en&lr=&q=potassium+sod ... |
12-10-2004 at 20:09
by: S.C. Wack |
A project everyone can pitch in on! Writing the book on chemistry.
This was discussed at the Hive recently, albeit in a different sort of situation:
https://www.the ... |
5-10-2004 at 19:59
by: S.C. Wack |
purifying sulphur
I'm curious as to whether the bentonite would form a layer on top of molten S, or if it would s ... |
5-10-2004 at 19:29
by: S.C. Wack |
H2O2 by ozone -- The slow method.
Oh, please, people have been using ozonizers with air for a very long time. Of course one can get hi ... |
2-10-2004 at 11:25
by: S.C. Wack |
Carbon from Batteries
On the off-topic question of the black powder, repeated washing might get rid of nearly all of the N ... |
27-9-2004 at 19:02
by: S.C. Wack |
Benzene synthesis
True, but not mentioned before because for most it isn't as cheap, or as easy to buy or make (t ... |
24-9-2004 at 14:34
by: S.C. Wack |
ethylene glycol -> oxalic acid?
HNO3 oxidation: [url=http://l2.espacenet.com/espacenet/bnsviewer?CY=gb&LG=en&DB=EPD&PN= ... |
23-9-2004 at 21:18
by: S.C. Wack |
Carbon Disulfide Preparation
Sounds like you need two condensers, with the second being a long and cold one. In the reading that ... |
18-9-2004 at 22:49
by: S.C. Wack |
chloral hydrate synthesis
Who knows what you've got? The reaction produces several products at various points. The sp. gr ... |
11-9-2004 at 11:20
by: S.C. Wack |
chloral hydrate synthesis
Chlorinations in general take a long time. Like 12 hours to weeks. Yields are usually bad based on c ... |
11-9-2004 at 10:35
by: S.C. Wack |
Benzene synthesis
Would slowly reducing the heat help? I am mostly through distilling now, following Norris, except u ... |
5-9-2004 at 20:47
by: S.C. Wack |
Benzene synthesis
Yes, 3 or 4 gallica refs say 3 parts(wt) CaO to 1 of benzoic acid. Yet all the later textbooks and p ... |
4-9-2004 at 01:57
by: S.C. Wack |
PbO2
[quote]
McAlpine and Soule are definitely WRONG about KMnO4 oxidizing Pb(II) to PbO2 in alkaline so ... |
27-8-2004 at 14:17
by: S.C. Wack |
KMnO4
blazter, I don't know about any injection systems, but I get my KMnO4 for "greensand" ... |
21-8-2004 at 12:19
by: S.C. Wack |
Birkeland-Eyde reactor for making nitric acid.
One makes threaded holes with a tap. Taper, plug, and bottoming taps. Nice madproject. |
21-8-2004 at 08:33
by: S.C. Wack |
sodium percarbonate
There has been confusion over the nomenclature for at least a hundred years. There are a few differe ... |
20-8-2004 at 20:53
by: S.C. Wack |
PbO2
JohnWW, add Mellor to your list of those wrong as well.
chemoleo, the Pb3O4 equations were not m ... |
19-8-2004 at 20:12
by: S.C. Wack |
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