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Grease sources for glassware joints? Which is, what, half the price of Dow Corning high vacuum grease? The last tube I bought was 50g for ... |
4-12-2014 at 07:34 by: forgottenpassword |
The Short Questions Thread (4) Evidently the liberated oxygen volatilizes some hydrogen peroxide. So what you are smelling is the " ... |
4-12-2014 at 07:30 by: forgottenpassword |
Grease sources for glassware joints? Good point, that. Certainly there will be more stress on the glass due to different expansion rates; ... |
4-12-2014 at 03:58 by: forgottenpassword |
stupid beginner mistake Well, fair enough. Maybe you should try working with a starting material that costs several hundred ... |
4-12-2014 at 02:29 by: forgottenpassword |
Grease sources for glassware joints? For every day use (non-vacuum applications) I too am a big fan of vaseline. It works: it provides th ... |
4-12-2014 at 02:24 by: forgottenpassword |
Black gunk that should be NaNO3 If you have finished neutralizing the solution, perhaps you can dissolve it in hot water and filter ... |
3-12-2014 at 06:37 by: forgottenpassword |
The Short Questions Thread (4) Put some cling-film over the top, or something; and reduce your stirring rate. Try doing the reactio ... |
3-12-2014 at 06:00 by: forgottenpassword |
Black gunk that should be NaNO3 I don't know any copper chemistry, but surely that explains it: you've made some black copper compou ... |
3-12-2014 at 05:57 by: forgottenpassword |
stupid beginner mistake I've tipped my hard-won product into a separating funnel with the stopcock open, before. It's a mist ... |
3-12-2014 at 05:52 by: forgottenpassword |
Will this Reaction Work? I don't see why not. Solubility may be an issue. And pyridine isn't exactly harmless (if you're a ma ... |
3-12-2014 at 05:18 by: forgottenpassword |
NEED HELP WITH CHEMISTRY Why post crap? |
3-12-2014 at 01:18 by: forgottenpassword |
Ridiculously easy alkali organometallic synth? (Benzyllithium) [rquote=373618&tid=51199&author=chemrox][rquote=372720&tid=51199&author=forgottenpas ... |
2-12-2014 at 12:15 by: forgottenpassword |
Chlorination of tertiary amino alcohol I've given you a procedure which is pretty-much as easy as they come. Why do you want more discussio ... |
2-12-2014 at 06:32 by: forgottenpassword |
Our prolific, multifaceted troll- ban him or not? It was a joke. Dr. Doctorate. Big laughing face. A joke. Humour. |
2-12-2014 at 06:26 by: forgottenpassword |
Water exchange between different hygroscopic salts [rquote=373493&tid=49671&author=Gargamel]@forgottenpassword:
I don't understand why this is ... |
2-12-2014 at 02:33 by: forgottenpassword |
Our prolific, multifaceted troll- ban him or not? [rquote=373691&tid=52155&author=No Tears Only Dreams Now]I have to say, I(and hopefully some ... |
2-12-2014 at 02:24 by: forgottenpassword |
legality of explosives in uk? If you are going to do this, I would do it with the full knowledge and consent of the authorities. Y ... |
2-12-2014 at 02:10 by: forgottenpassword |
Hydrogen and the flying stopper Simply time. Hydrogen is a good purging gas, so if it was left purging slowly for half an hour then ... |
2-12-2014 at 01:13 by: forgottenpassword |
Hydrogen and the flying stopper Be very careful that all of the air is removed from the flask before you ignite it. If there is some ... |
2-12-2014 at 01:05 by: forgottenpassword |
chemistry of GOLD, known reactions and techniques Be advised that such journals do not remain open access forever, so -- if as seems likely -- you hav ... |
2-12-2014 at 00:56 by: forgottenpassword |
DCM storage [rquote=373523&tid=52040&author=gdflp]And how can you relate chloroform and dichloromethane? ... |
1-12-2014 at 10:50 by: forgottenpassword |
DCM storage Fair enough. I'm talking about the real risk of handling and using it. I can't deny that it MAY caus ... |
1-12-2014 at 10:28 by: forgottenpassword |
Homework Questions- [rquote=373513&tid=41534&author=smaerd]Rather then just giving the answers it might be best ... |
1-12-2014 at 10:15 by: forgottenpassword |
DCM storage [rquote=373512&tid=52040&author=gdflp]DCM is a carcinogen[/rquote]DCM has NOT been proven to ... |
1-12-2014 at 10:08 by: forgottenpassword |
Homework Questions- Step 2: Br2, hv gives benzylic bromination.
Step 3: KOtBu gives styrene.
Step 4: mCPBA gives styre ... |
1-12-2014 at 08:39 by: forgottenpassword |
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