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Sodium Borohydride from chinese supplier
Just an idea: check it's purity after it arrives. The company where I worked ordered something from ... |
15-10-2013 at 23:32
by: kristofvagyok |
Got TONS of Pet. Ether. What to do with it?
[rquote=303208&tid=26678&author=Pyro]
''Also if you are out of gasoline, it could be a good ... |
13-10-2013 at 14:24
by: kristofvagyok |
Got TONS of Pet. Ether. What to do with it?
Would be good to know that what is the boiling point of it.
It is a good solvent for recrystalli ... |
13-10-2013 at 13:58
by: kristofvagyok |
Ampouling gases
Forget ampouling hydrogen in time, before you hurt yourself seriously.
Hydrogen form explosive m ... |
12-10-2013 at 17:09
by: kristofvagyok |
Pretty Pictures (2)
We just ran out of deuterated solvents for NMR, so we had to make some. Here is a "few" ampules of m ... |
12-10-2013 at 12:52
by: kristofvagyok |
HCl Saturated Methanol Prep
[rquote=302044&tid=26481&author=AndersHoveland]Is it possible that too much HCl could dehydr ... |
4-10-2013 at 13:41
by: kristofvagyok |
Handling of diethyl ether
[rquote=301909&tid=26451&author=cal]The main problem with ether is that it will spontaniousl ... |
3-10-2013 at 10:39
by: kristofvagyok |
drying with sodium metal
[rquote=301633&tid=25772&author=DJF90]You've got a reference for that?[/rquote]
[url=http:/ ... |
30-9-2013 at 14:06
by: kristofvagyok |
Pretty Pictures (2)
[url=http://labphoto.tumblr.com][img]http://31.media.tumblr.com/41bd48025f4d2c7e757eb4be3ce8cec6/tum ... |
29-9-2013 at 13:57
by: kristofvagyok |
Pretty Pictures (2)
I know that these pictures have been posted, but for silver, I should reply with silver!
[url=htt ... |
26-9-2013 at 15:27
by: kristofvagyok |
acetonitrile
I have prepared trifluoroacetonitrile and heptanedinitrile on the same way. It's a good method, work ... |
26-9-2013 at 09:53
by: kristofvagyok |
Making chloroform but bp is 49 °C
Thermometer often lies, check its density. Take out 10 cm3 and weight it. If it is near to 14,8 g, t ... |
25-9-2013 at 12:30
by: kristofvagyok |
Allyl Amine from Mustard Seeds/Oil
[rquote=300518&tid=25824&author=APO]Could Dimethyl Sulfoxide be used for getting the Hydroch ... |
21-9-2013 at 15:52
by: kristofvagyok |
The Short Questions Thread (4)
[rquote=300524&tid=25055&author=SHADYCHASE54]My question is will H+ resin exchange only Na c ... |
21-9-2013 at 15:47
by: kristofvagyok |
Lithium Aluminum Hydride / Lithium Hydride recovery from Tetrahydrofuran solution?
LiH is almost insoluble in tetrahydrofuran, while LiAlH4 is well soluble, so the separation is easy, ... |
16-9-2013 at 13:59
by: kristofvagyok |
Pretty Pictures (1)
Almost.
[url=http://www.youtube.com/watch?v=EytuRMS1154]Column chromatography for beginners.[/ur ... |
15-9-2013 at 12:56
by: kristofvagyok |
Pretty Pictures (1)
The most hated method of purification: column chromatography. It is really efficient, but it takes a ... |
15-9-2013 at 12:03
by: kristofvagyok |
Made Bromine Tonight
[rquote=299760&tid=26181&author=BobD1001]I realized the ampoule didn't fully seal, and some ... |
15-9-2013 at 10:32
by: kristofvagyok |
Conversion of Aldehydes to Nitriles
[rquote=299273&tid=26038&author=AndersHoveland]Now, if you wanted to convert a nitrile into ... |
9-9-2013 at 22:57
by: kristofvagyok |
Conversion of Aldehydes to Nitriles
I have worked a lot with hydroxylamine (in pure form) and with it salts, it is a pretty good reagent ... |
8-9-2013 at 02:56
by: kristofvagyok |
Apple (iPad/iPhone) apps.
A very good collection of organic reactions:
ReactionFlash
https://itunes.apple.com/us/app/reac ... |
31-8-2013 at 03:23
by: kristofvagyok |
Allyl Amine from Mustard Seeds/Oil
[rquote=296781&tid=25824&author=APO]Oscilllator, distillate of mustard seeds is 92%+ Allyl I ... |
25-8-2013 at 10:57
by: kristofvagyok |
drying with sodium metal
[rquote=296676&tid=25772&author=turd]
You're doing it wrong. THF (but not diethyl ether) is ... |
23-8-2013 at 13:36
by: kristofvagyok |
KClO3 heated to make KClO4
[rquote=296323&tid=25727&author=metalresearcher]In an old chemistry textbook "Laboratory met ... |
22-8-2013 at 14:37
by: kristofvagyok |
drying with sodium metal
Yes, we dry solvents with alkali metals.
But there is a few things to note.
I usually use sod ... |
22-8-2013 at 14:32
by: kristofvagyok |
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