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LAH handling concern after searching before asking
Thank you both for the great advice! I appreciate it very much. I’ll scale it down quite a bit. I ...
11-8-2018 at 09:29
by: organicchemist25
LAH handling concern after searching before asking
Sorry, that I left the quenching work-up step out.


For each gram of LAH I use I’ll add dropw ...
11-8-2018 at 09:20
by: organicchemist25
LAH handling concern after searching before asking
SO, I will be taking on my first LAH reduction with a styrene. It will be approximately 20-25 grams ...
10-8-2018 at 18:39
by: organicchemist25
Recrystallization question
Not sure if this will help but I’m attaching a picture of it. They came out very nice and clean. I ...
10-8-2018 at 17:47
by: organicchemist25
Recrystallization question
I have a question on a recrystallization I just did. Ethylenediammonium Diacetate, to be exact. Im c ...
6-8-2018 at 18:48
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
Thank you all for the help on this. I did get all the mg to completely dissolve. I added 175 additio ...
4-4-2018 at 18:44
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
[rquote=513057&tid=81646&author=notoxicshit]I dont understand what leads you to believe that ...
4-4-2018 at 18:40
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
There are some cloudy/clear crystals that formed around the flask. I have read that Grignards can fo ...
1-4-2018 at 14:57
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
[rquote=512651&tid=81646&author=Dr.Bob]I always use excess Mg, did not do the math, but it l ...
1-4-2018 at 14:49
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
[rquote=512697&tid=81646&author=Chemi Pharma]Think about try these things:

I- Adding an i ...
1-4-2018 at 14:41
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
[rquote=512650&tid=81646&author=zed]Umm. More Ether required?

Ether is both solvent, an ...
1-4-2018 at 14:36
by: organicchemist25
Grignard question (magnesium)
[rquote=512248&tid=81552&author=Magpie]I've had good luck with Mg turnings.[/rquote]

Than ...
31-3-2018 at 14:45
by: organicchemist25
Grignard question (magnesium)
[rquote=512232&tid=81552&author=Dr.Bob]It should work fine. It you want to speed up the re ...
31-3-2018 at 14:43
by: organicchemist25
First attempt Grignard since Ochem II cyclopentyl bromide
Last night I attempted my first Grignard since undergrad. I do not think it went well.
I reacted c ...
31-3-2018 at 14:38
by: organicchemist25
Grignard question (magnesium)
Question on the type of Mg I have.

I'm doing a grignard tomorrow and I have a question on the ma ...
28-3-2018 at 04:56
by: organicchemist25
McLeod Manometer Hg issues
[rquote=502186&tid=79390&author=weilawei]I bought a [url=https://www.frederickscompany.com/p ...
2-1-2018 at 08:48
by: organicchemist25
McLeod Manometer Hg issues
I bought this pump about a month ago and put the spec oil in it and I know it goes way below one tor ...
1-1-2018 at 13:42
by: organicchemist25
McLeod Manometer Hg issues
[rquote=502159&tid=79390&author=yobbo II]Why do you need tripple distilled? What is so diffi ...
1-1-2018 at 13:25
by: organicchemist25
McLeod Manometer Hg issues
Lastly, the only thing I can think may be an issue is temperature.

The lab is unattached to my h ...
1-1-2018 at 06:31
by: organicchemist25
McLeod Manometer Hg issues
Oh, and, Im using a ChemGlass 10 torr PTFE pump. I feel that should be adequate for the gauge to wo ...
1-1-2018 at 06:27
by: organicchemist25
McLeod Manometer Hg issues
I bought a McLeod manometer a year or so ago and finally got around to getting the tripe distilled H ...
1-1-2018 at 06:25
by: organicchemist25
Vigreux and reflux column combo. Custom piece
[rquote=496559&tid=78000&author=unionised]Have you ever looked up the origin of the word "fi ...
5-11-2017 at 06:56
by: organicchemist25
Vigreux and reflux column combo. Custom piece
Yeah, I don't know either, but it came from a university's previous collection. The craftsmanship i ...
5-11-2017 at 06:55
by: organicchemist25
250ml Chromatography Reservoir wanted urgently in NZ
[rquote=496207&tid=77930&author=NZniceguy]Thank you...I wonder how long the shipping would t ...
4-11-2017 at 07:42
by: organicchemist25
250ml Chromatography Reservoir wanted urgently in NZ
I believe I have one. What size joints do you need? 24/40? 19/22?
4-11-2017 at 07:37
by: organicchemist25
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