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Good digital rotary evaporator!?
If one tilt the vertical to much, say with a small small flask to reach the water bath the condensed ... |
19-11-2010 at 15:40
by: bahamuth |
Good digital rotary evaporator!?
Very good indeed, but the vertical ones are not the easiest/handiest to use IMO.
But if you get i ... |
19-11-2010 at 08:28
by: bahamuth |
buying used glassware
Best ground taper glass I've been using is Kontes, with Chemglass just as good. Ace also is great, b ... |
10-11-2010 at 15:39
by: bahamuth |
Image Generator Hazard Symbols for Chemicals
There are new symbols implemented from 16.10.2008.
http://www.unece.org/trans/danger/publi/ghs/pi ... |
17-10-2010 at 03:41
by: bahamuth |
Clamps & stands!
Compare a decent clamp in cost (from 14/20 to 29/32) in Norway.., had to pay $120 for a pack of two ... |
15-10-2010 at 18:41
by: bahamuth |
Purifying 95% ethanol out of ethanol AgNO3 solution
I would remove the AgNO3 first somehow,as it might oxidize the ethanol, possibly even with slight he ... |
14-10-2010 at 06:40
by: bahamuth |
Purifying 95% ethanol out of ethanol AgNO3 solution
Recovering large amounts of AgCl from Mohr's chloride titration waste I found that if you the stir c ... |
13-10-2010 at 13:19
by: bahamuth |
Purifying 95% ethanol out of ethanol AgNO3 solution
You have close to 2.5 kilo on AgNO3 in your ~55 gallon of EtOH, a lot of silver...
What are your ... |
12-10-2010 at 14:08
by: bahamuth |
Ion Torrent, Next gen. Sequencing
Anyone heard/read/have thoughts about this?
http://www.iontorrent.com/
Apparently they utilize ... |
12-10-2010 at 13:12
by: bahamuth |
Sodium on silicagel
The article states that:
[i]"Alkali metals absorbed into silica gel yield three types of loose bl ... |
11-10-2010 at 06:34
by: bahamuth |
Sodium on silicagel
http://pubs.acs.org/doi/abs/10.1021/ja051786%2B |
10-10-2010 at 14:37
by: bahamuth |
Pure vanillin from vanillin sugar
Read up on the solubility of your compounds if you are trying to separate them by crystallization. V ... |
2-10-2010 at 01:33
by: bahamuth |
The short questions thread (3)
[quote][i]Originally posted by stygian[/i]
Which was it, iso or n-pentanol? I do recall reading o ... |
30-9-2010 at 10:28
by: bahamuth |
The short questions thread (3)
Blue compound from nitration attempt of isopentanol or n-pentanol.
Several years ago I tried to n ... |
29-9-2010 at 13:45
by: bahamuth |
Ideas for beginning synthesis
One of the first things I made was iso-pentyl nitrite..., and was laughing like hell when I cleaned ... |
29-9-2010 at 13:36
by: bahamuth |
p-hydroxybenzaldehyde?
As suggested by manimal earlier in this thread, I am currently attempting to following his route to ... |
29-9-2010 at 07:08
by: bahamuth |
Redistilling HCl?
A couple of days ago I made p-toluenesulfonic acid according to Vogel, which calls for recrystallizi ... |
29-9-2010 at 06:22
by: bahamuth |
K2Cr2O7 oxidising amounts
H2SO4/dichromate would be anything but mild in my opinion for oxidizing alcohol to aldehyde.
Do y ... |
29-9-2010 at 06:12
by: bahamuth |
Redistilling HCl?
If you extend the drip tube below the surface of the water you WILL have suckback!
To avoid this at ... |
28-9-2010 at 14:52
by: bahamuth |
Thermometer mishap in Sodium Acetate soln :(
Once I was cleaning some mercury with conc. HCl in a stainless casserole, gently heating was applied ... |
28-9-2010 at 10:03
by: bahamuth |
Pure vanillin from vanillin sugar
Not to derail this thread but also made some zingerone a while back.., had a hell to separate it, ox ... |
26-9-2010 at 14:19
by: bahamuth |
Pure vanillin from vanillin sugar
How much if the stuff do you need, 5, 10g, or in the hundreds of grams?
Depending on your needs t ... |
26-9-2010 at 11:24
by: bahamuth |
Pure vanillin from vanillin sugar
I guess that the vanilla sugar contains somewhere from 1-5% vanilin/ethyl vanillin, and you should b ... |
26-9-2010 at 03:23
by: bahamuth |
Pure vanillin from vanillin sugar
You can, but wouldn't it be kinda expensive?
Use as dry ethanol as possible, sucrose is not very ... |
26-9-2010 at 00:28
by: bahamuth |
why does iron smell?
A little off topic but a similar smell may be experienced when filing aluminum, magnesium and carbur ... |
18-8-2010 at 11:37
by: bahamuth |
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