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Can a smaller volume flask be used in a larger heating mantle?
I only use 1000ml stirring mantles. In my experience, they are fine for heating smaller flasks. I th ... |
13-2-2015 at 09:47
by: Praxichys |
How can i make a surface conductive without going mad or broke?
What about [url=http://en.wikipedia.org/wiki/Lost-wax_casting]lost-wax casting[/url]?
You could ... |
13-2-2015 at 08:10
by: Praxichys |
Things That Frustrate As A DIY Chemist
I have serveral frustrations:
1. Funding. I am at the point where my lab is worth quite a bit of ... |
13-2-2015 at 06:20
by: Praxichys |
Inorganic Chemistry for Dummies
Looks interesting but the reviews speak volumes:
http://www.barnesandnoble.com/w/inorganic-chemis ... |
6-2-2015 at 11:17
by: Praxichys |
Alkyl nitrite synthesis
Polyols do indeed form alkyl nitrite esters. Here on the forum, both glycerol and ethylene glycol we ... |
6-2-2015 at 08:34
by: Praxichys |
Dental Amalgam
I have several amalgam fillings, and (most of) my sanity.
[IMG=232x412]http://i48.photobucket.com ... |
6-2-2015 at 06:59
by: Praxichys |
The DEA is watching you...but does it matter?
I am not afraid to talk about the lab at work, post YouTube videos, etc. - it's because the spirit o ... |
6-2-2015 at 05:56
by: Praxichys |
Most dangerous or hard to handle chemical
Dangerous?
- HCN
- phosgene
- SO3
- Diazomethane/HN3
Hard to handle?
- HF/bifluoride sal ... |
3-2-2015 at 07:20
by: Praxichys |
Aluminium Oxide ( what can I do with it)
[rquote=390110&tid=61419&author=blogfast25]
There is in fact a chemical method of preparing ... |
2-2-2015 at 10:19
by: Praxichys |
Gah, I ruined my calcium chloride, how did it happen?
You could probably heat the calcium chloride in a metal can on a fire to char any organic stuff, the ... |
2-2-2015 at 07:57
by: Praxichys |
A question that might be better suited for a physicist?
It would be neat to make a vacuum pump that used ionic liquids or deep eutectic solvent systems as t ... |
29-1-2015 at 13:32
by: Praxichys |
Aha
Hey, check this out:
http://pubs.acs.org/doi/abs/10.1021/am900206e
Outgassing of Oxygen from P ... |
23-1-2015 at 14:38
by: Praxichys |
Barium Animus
Maybe make a big coil of Ti wire (lots on eBay) and hook it to a variac. Let that sit red-hot for a ... |
23-1-2015 at 11:20
by: Praxichys |
Polydimethylsiloxane
Siloxanes are prone to hydrolysis by strong acids or bases.
http://www.astm.org/DIGITAL_LIBRARY/M ... |
23-1-2015 at 10:36
by: Praxichys |
Why use Mineral Oil for Alkalis?
Yes, storing reactive metals under triglycerides (oils from animal or vegetable sources) would be ve ... |
23-1-2015 at 07:34
by: Praxichys |
Opinion on a Condenser..
UTFSE. This topic has been discussed [i]ad nauseam[/i]. Google is your friend.
http://www.science ... |
20-1-2015 at 10:31
by: Praxichys |
Purifying/increasing % HCl in Hardware store Acid
Grease is recommended when distilling HCl since the escaping vapors can be irritating, damage polyac ... |
16-1-2015 at 11:02
by: Praxichys |
nitrodiphenylmethanes
[rquote=387714&tid=61162&author=DubaiAmateurRocketry]Wow, I take chemistry class in that uni ... |
15-1-2015 at 12:53
by: Praxichys |
nitrodiphenylmethanes
Brauer makes mention of it on pp. 490.
[quote]Other preparative methods: From AgNO3 and Cl2 or fro ... |
15-1-2015 at 08:22
by: Praxichys |
What exactly should you look for in a hot plate?
It depends on the type of chemistry you will be doing.
For your first one, get the $20 cooking h ... |
15-1-2015 at 05:15
by: Praxichys |
Purifying/increasing % HCl in Hardware store Acid
If you start with 31.45% and boil it, HCl(g) and a small amount of water will be given off until the ... |
14-1-2015 at 11:59
by: Praxichys |
nitrodiphenylmethanes
A more amateur-friendly solution is N2O5 in chloroform.
It is fairly easily prepared by gassing a ... |
14-1-2015 at 11:19
by: Praxichys |
Copper Compound Collection
[rquote=372781&tid=51575&author=Zyklon-A]Thanks. Hydrobromic acid and copper (II) hydroxide ... |
14-1-2015 at 10:02
by: Praxichys |
Latest chemical order?
Some technical stock from an online pottery store. I like buying carbonates, because it is easy to d ... |
13-1-2015 at 13:02
by: Praxichys |
nitrodiphenylmethanes
You are right. It looks as if steric hindrance inhibits nitration past the 2,4 positions on either s ... |
13-1-2015 at 09:38
by: Praxichys |
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