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Laboratory Tips and Tricks
Since Easter is here, I have you a nice little tip: the trays that Easter eggs come on in shops/supe ... |
29-3-2013 at 12:34
by: Hexavalent |
Laboratory Tips and Tricks
A trifle annoyed at my continuous misplacement of stirbars, I recently attached one of these magneti ... |
29-3-2013 at 12:29
by: Hexavalent |
Laboratory Tips and Tricks
Very nice, Magpie! What kind of rubber is it composed of?
The carpet I have in my lab is not idea ... |
29-3-2013 at 12:25
by: Hexavalent |
DIY blast/splatter shield
I built a crude blast screen by finishing some scrap wood, and L-bracketing a sheet of 8mm acrylic ( ... |
29-3-2013 at 08:20
by: Hexavalent |
Aluminium carbide Al3C4
Cryolite is also added to the alumina used as a starting material when they electrolytically produce ... |
23-3-2013 at 06:12
by: Hexavalent |
I Really Need Glass Scintillation Vials!
I'm going to have to advise against that...seriously, just order them from Ampulla, Rapid or another ... |
19-3-2013 at 13:09
by: Hexavalent |
Hardest Glassware to Clean
[rquote=277435&tid=23420&author=Eddygp]hot conc. sulfuric acid + KMnO4[/rquote]
I'd be a ... |
10-3-2013 at 09:02
by: Hexavalent |
How long to heat NaHCO3 to make Na2CO3
Yes, but the purity of this is not always guaranteed: the washing soda here in the UK is labeled as ... |
10-3-2013 at 09:01
by: Hexavalent |
Video : reaction of Potassium permanganate and Hydrogen peroxide
Very nice, but it might be more professional/scientific to weigh out chemicals, as opposed to saying ... |
7-3-2013 at 12:15
by: Hexavalent |
Hypothetical Chemist
Not sure if this counts as "extra chemicals", but you could regurgitate the red cabbage soup you ate ... |
7-3-2013 at 08:30
by: Hexavalent |
Glassware - whats this again?
jamit, the second image appears to be a three-way stopcock for manipulating gases and vacuum. |
5-3-2013 at 12:56
by: Hexavalent |
Vogelzang banned
Is it possible to block an entire IP address? This would help avoid members re-registering once they ... |
1-3-2013 at 15:36
by: Hexavalent |
Distillation Set on Ebay - Opinions??
[rquote=276479&tid=23544&author=radagast](2) The joints in that set are 24/29. Nothing wro ... |
1-3-2013 at 15:10
by: Hexavalent |
Starting a lab, striking the right balance (beginners please read).
Having both won't hurt, but it is usually unnecessary as they are often interchangeable. |
24-2-2013 at 14:25
by: Hexavalent |
Synthesis of Vanillyl Acetamide, a capsaicin derivative
Very nice! 
When you say "Vanillyl oxime (1.00 g, 6.00 mmol) was dissolved in 10 ml of acetic a ... |
24-2-2013 at 02:48
by: Hexavalent |
Super Lube synthetic grease as ground glass lube
I have always used, and probably will always use, ordinary vaseline sold as a lip balm: here in the ... |
23-2-2013 at 14:48
by: Hexavalent |
Starting a lab, striking the right balance (beginners please read).
[rquote=275289&tid=23140&author=kadriver]
Is there such a thing as a nylon handled test tub ... |
21-2-2013 at 13:48
by: Hexavalent |
I Can't Do The Maths Myself :(
[rquote=275501&tid=23440&author=K12Chemistry]thanks woelen, I'll try later I have homework 2 ... |
20-2-2013 at 10:24
by: Hexavalent |
I Can't Do The Maths Myself :(
[rquote=275477&tid=23440&author=K12Chemistry]If I had 100g of cuso4 and dissolved it then el ... |
20-2-2013 at 09:57
by: Hexavalent |
Will This Reaction Occur
If one filtered the precipitate and added aqueous sodium hydroxide, woelen, would separation of the ... |
18-2-2013 at 08:15
by: Hexavalent |
Inhibiting Foaming During Distillation
In professional labs, special anti-foaming agernts are added to the reaction mix. However, these can ... |
15-2-2013 at 01:42
by: Hexavalent |
Sulfuric Acid Unknown Concentration?
No, density is calculated by dividing mass by volume...
[i]ρ[/i] = [u][i][sup]m[/u][/i ... |
14-2-2013 at 10:28
by: Hexavalent |
Bad days in the lab or with glassware?
I dropped my nice 100 mL porcelain evaporating basin whilst washing it...so I wrapped it in a towel, ... |
12-2-2013 at 11:09
by: Hexavalent |
Synthesis of Ethyl ß-Naphtholate (Nerolin)
Excellent work and write-up Magpie, as usual.
Do you have any future plans for your nerolin? Perh ... |
11-2-2013 at 14:22
by: Hexavalent |
Make 2-Dimethylaminoethylazide
I'm not sure about an exact synthesis, but you might want to look into the Dutt-Wormall reaction for ... |
11-2-2013 at 11:30
by: Hexavalent |
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