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Synthesis of symmetrical polyethers, how is it done?
http://www.sciencemadness.org/talk/viewthread.php?tid=12054
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30-4-2009 at 15:35
by: Jor |
Reduction of arsenic pentoxide? What is the best method?
How do I convert the arsenic sulfide to arsenix trioxide? Would heating in air be sufficient? And wo ... |
30-4-2009 at 12:29
by: Jor |
Sodium Hyponitrite
Well woelen, we have a source! Aldrich, we can buy there through our local supplier. But the stuff i ... |
30-4-2009 at 12:27
by: Jor |
Reduction of arsenic pentoxide? What is the best method?
Today I recieved 100g of sodium hypophosphite, and I also have a few grams of As4O10, so I think I'm ... |
29-4-2009 at 07:49
by: Jor |
Sodium Hyponitrite
Sodium hyponitrite is better described as Na2N2O2. This is the sodium salt of hyponitrous acid, H2N2 ... |
27-4-2009 at 00:11
by: Jor |
Chemistry-related photography
Very nice explanation!
I am seriously considering buying the same camera as you, as mine just can ... |
17-4-2009 at 14:51
by: Jor |
HMS-BEagle
This not really true
He send me this email:
[i]Joris:
We can mail the arsenic element sam ... |
16-4-2009 at 10:48
by: Jor |
HMS-BEagle
And what did you order if I may ask? If you ordered something like MgSO4, thats something entirely d ... |
15-4-2009 at 14:42
by: Jor |
HMS-BEagle
Does anyone have experience with buying from the following shop?
http://www.hms-beagle.com/xampp ... |
15-4-2009 at 14:10
by: Jor |
Cr2O3 can be dissolved in water easily
And what happens if you add a little AgNO3 together with the persulfate? Ag(I) catalyses oxidations ... |
14-4-2009 at 23:46
by: Jor |
Cr2O3 can be dissolved in water easily
The acid acts as catalyst, because although the reaction does not consume any protons (it even produ ... |
14-4-2009 at 08:04
by: Jor |
beryllium metal
For the interested, there are currently 3 lots of 20g beryllium metal for sale:
http://cgi.ebay.c ... |
13-4-2009 at 14:37
by: Jor |
Pulse Discharge Circuit Help
Wouldn't wearing thick rubber boots and thick rubber gloves greatly reduce the risk? AFAIK their res ... |
13-4-2009 at 14:17
by: Jor |
Reduction of arsenic pentoxide? What is the best method?
O yes, one I forgot is hydrazine sulfate or hydroxylammonium chloride. Those might work.
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9-4-2009 at 02:10
by: Jor |
Reduction of arsenic pentoxide? What is the best method?
SnCl2 works. But gives SnO2 byproduct, wich is impossible to remove, without redissolving the As.
... |
8-4-2009 at 12:59
by: Jor |
anhydrous CrCl3
I am now indeed seriously considering buying some Cr-metal. I can also use it to make some Cr(II) in ... |
8-4-2009 at 06:43
by: Jor |
Chlorosulfonic acid
I find it strange that sulfuryl chloride reacts so slowly with water, while it reacts violently with ... |
8-4-2009 at 06:26
by: Jor |
Lab Prep of Diethyl Sulfate
AFAIk LSO2 and LCl2 are also unavailble for Sauron, if I understoof right.
I have never seen alky ... |
7-4-2009 at 12:54
by: Jor |
Lab Prep of Diethyl Sulfate
I don't have references for this, but how about a reaction of diethyl ether and oleum?
Just like di ... |
6-4-2009 at 23:59
by: Jor |
CRscientific, hand operated vaccuum pump
I have been looking around for a cheap vaccuum source, because it makes filtering so much easier. I ... |
5-4-2009 at 03:30
by: Jor |
anhydrous CrCl3
A few questions. First I will explain what I am going to do.
Im going to prepare some hydrated Cr ... |
4-4-2009 at 07:35
by: Jor |
Solvent Free Permanganate Oxidation of Diols
First of all, the CuSO4/KMnO4 should be a 1:1 molair mixture (or mass not sure), at least that's wha ... |
2-4-2009 at 00:01
by: Jor |
making colorless ethanol
Yes, I have thought of all these methods already.
But it requires a lot of energy and time, for p ... |
1-4-2009 at 14:18
by: Jor |
making colorless ethanol
At supermarkets we can buy 85% ethanol (+3% methanol) for very low prices.
I am planning to use t ... |
1-4-2009 at 13:59
by: Jor |
carbon tetrachloride fire extinguishers
[rquote=150074&tid=12001&author=JohnWW]A CCl4 fire extinguisher would have to contain a non- ... |
29-3-2009 at 14:17
by: Jor |
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