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Vanillin purity
I purchased vanillin from the same supplier a few months ago, and it too was shipped in the same pac ...
5-7-2013 at 08:32
by: Hexavalent
Waste lead recovery
I'd add the whole lot to some nitric acid, heat the mixture to dissolve everything, and then precipi ...
5-7-2013 at 07:13
by: Hexavalent
Getting reagent grade chemicals from the pharmacy
They'll sell you diethyl ether but not silver nitrate? :o
2-7-2013 at 07:55
by: Hexavalent
Tubing question
Personally, I always select tubing that is 1-2 mm ID diameter smaller than the barb it is connecting ...
1-7-2013 at 07:44
by: Hexavalent
Bismuth from its Subsalicylate (Pepto-BismolĀ®)
What about just heating over a gentle stream of argon or nitrogen?
24-6-2013 at 12:01
by: Hexavalent
Few things to sell
How much would the book and postage be, plante?
23-6-2013 at 04:12
by: Hexavalent
Source of Sodium Azide
Personally, I feel that with such chemicals as sodium azide - which is both very toxic and explosive ...
22-6-2013 at 10:17
by: Hexavalent
what is this white stuff
[rquote=288519&tid=24686&author=bfesser]you're telling him that tin(IV?) oxychloride is a pr ...
18-6-2013 at 13:36
by: Hexavalent
Filter adapters for test tube and buchner funnel
Using a cork will probably not give you a particularly good seal, owing to the many small holes/pore ...
17-6-2013 at 11:12
by: Hexavalent
Unexpected Reaction? Please Help!
I myself have a YouTube video on the preparation of CHI[sub]3[/sub];

http://www.youtube.com/watc ...
16-6-2013 at 05:38
by: Hexavalent
Potassium Dichromate in fish treatment
I once bought 500 g of potassium dichromate as "chrome mordant" for art supplies, no questions asked ...
11-6-2013 at 10:11
by: Hexavalent
Please Assist the Noob... Attempting to extract compounds from Plants.
Toluene can have serious affects on the body after long-term, continuous exposure, but it is certain ...
11-6-2013 at 09:41
by: Hexavalent
How much is excess?
It is almost invariably decided based on the reaction being performed on the substrates being used; ...
11-6-2013 at 07:41
by: Hexavalent
Ceasium chloride
You: "Oh, I'll mix some hydrochloric acid and bleach without proper safety equipment, with limited i ...
10-6-2013 at 08:54
by: Hexavalent
Stories of extremely chemophobic parents and yours :p
The science department bought brand new books last year at school, and I was told I could help mysel ...
10-6-2013 at 08:50
by: Hexavalent
Ceasium chloride
Anyone who does not know/"forgets" that chlorine exists as a diatomic molecule should not be handlin ...
10-6-2013 at 08:48
by: Hexavalent
Ceasium chloride
That route to caesium chloride is incredibly expensive and dangerous, Cou....

Just because you ha ...
9-6-2013 at 08:22
by: Hexavalent
Reflux/gas adapter question
Absolutely. Providing that the condenser is cold and long enough, no solvent should escape out the t ...
9-6-2013 at 02:10
by: Hexavalent
Plastic Sulfur Questions
I'll never forget one chemistry lesson at school where we were differentiating between the propertie ...
9-6-2013 at 00:32
by: Hexavalent
Chart of Plastic Resistances to Chemicals
I was just going to mention that!

http://www.scilabware.com/

I also got their free labware (2 ...
7-6-2013 at 23:16
by: Hexavalent
Chart of Plastic Resistances to Chemicals
Do you know which tubings they send? What materials? I've sent an "order" for them :P

[Edited on 7- ...
7-6-2013 at 14:04
by: Hexavalent
Chart of Plastic Resistances to Chemicals
Absolutely! Did they send you a Canadian dollars version? I got a GBP edition, which is nice, as man ...
7-6-2013 at 13:53
by: Hexavalent
Chart of Plastic Resistances to Chemicals
http://www.alfa.com/en/gl110ah.pgm

The one I am referring to is the first one, the blue "2013-201 ...
7-6-2013 at 13:35
by: Hexavalent
Chart of Plastic Resistances to Chemicals
The Alfa Aesar catalogue can easily be ordered and shipped to individuals, free of charge. It too ha ...
7-6-2013 at 12:49
by: Hexavalent
Solvent used in permanent markers?
A permanent marker I have smells very similar to xylenes, which I have used numerous times and have ...
5-6-2013 at 12:55
by: Hexavalent
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