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Pharmacology Student Poisons Self
I recall reading a while ago about people gassing themselves in cars/dormrooms with H2S. I dont reme ... |
11-4-2012 at 10:03
by: DJF90 |
Favorskii rearrangement question
It sounds as if the OP is looking for a route to (esters of) phenylacetic acids. The corresponding a ... |
11-4-2012 at 08:24
by: DJF90 |
Ozonelabs- Synthesis of 2-Iodobenzoic Acid
There are some compounds that melt very sharply and their melting points are tabulated. I believe si ... |
11-4-2012 at 08:21
by: DJF90 |
Ammonium hydroxide - creation.
The household ammonia I found in the stores near me was 10%, intended mostly for cleaning windows I ... |
10-4-2012 at 15:49
by: DJF90 |
Molymod Sets
I got my at much reduced price when purchased with Clayden's organic textbook. I have to say I barel ... |
10-4-2012 at 15:47
by: DJF90 |
Pretty Pictures (1)
Because it does. Bromine comes from the greek Bromos, which means stench. At least if I remember cor ... |
10-4-2012 at 04:29
by: DJF90 |
Bad days in the lab or with glassware?
If you insist I explain...
http://www.thefreedictionary.com/ha-ha
Check it out. |
8-4-2012 at 11:51
by: DJF90 |
Bad days in the lab or with glassware?
Mending it will be out of the question, it'd be far too tricky. The best that could be made of it is ... |
8-4-2012 at 10:27
by: DJF90 |
Bad days in the lab or with glassware?
Its the dual-coil condenser on a buchi. I left it hooked up to the water recirculator (inside an unh ... |
7-4-2012 at 14:48
by: DJF90 |
Bad days in the lab or with glassware?
Yep. I'm lucky I didnt leave any other condensers hooked up to the water recirculator. I'm pissed of ... |
7-4-2012 at 11:53
by: DJF90 |
FUCK!
Shoulda drained the water out of this before winter. Expensive mistake... |
7-4-2012 at 11:02
by: DJF90 |
Why so many different colours for same chemical
I understand what you mean by the colours CHRIS - I made some basic copper carbonate by the method i ... |
7-4-2012 at 08:35
by: DJF90 |
What's different w/old T&K C3000 and 2011?
Sounds like you got a good deal, apart from being shafted out the peroxide, silver, acid and base, b ... |
7-4-2012 at 05:10
by: DJF90 |
Ozonelabs- Synthesis of 2-Iodobenzoic Acid
Sounds strange. I didnt think it'd be that light sensitive though. Was all the iodine removed in you ... |
6-4-2012 at 07:03
by: DJF90 |
What's different w/old T&K C3000 and 2011?
Chances are it contains REAL chemicals, and useful for REAL experiments. Educational chemistry sets ... |
6-4-2012 at 05:03
by: DJF90 |
Ozonelabs- Synthesis of 2-Iodobenzoic Acid
That suggests iodine contamination to me. Try washing with petrol and look for a pink colour. If its ... |
6-4-2012 at 04:55
by: DJF90 |
Ozonelabs- Synthesis of 2-Iodobenzoic Acid
The aforementioned book (5th ed.) says the following:
[quote]
o-Iodobenzoic acid [88-47-5] M 248. ... |
6-4-2012 at 04:13
by: DJF90 |
Aluminum BBs Vs. Lab Armor
I'd be weary of hot spots using regular BB's - I can imagine the point of contact between them and t ... |
6-4-2012 at 03:03
by: DJF90 |
Ozonelabs- Synthesis of 2-Iodobenzoic Acid
Recrystallise it. There ought to be a solvent given in Armarego's purification book. Commercial stuf ... |
6-4-2012 at 02:59
by: DJF90 |
Tetramethylorthosilicate synthesis
The reaction using SiCl4 and alcohol will likely employ triethylamine or similar to neutralise the H ... |
5-4-2012 at 11:33
by: DJF90 |
Making sodium iodide from iodine
The problem with
[quote]However, they are even better methods latter revealed to prepare HI (and t ... |
5-4-2012 at 11:14
by: DJF90 |
Tetramethylorthosilicate synthesis
You'll probably need to go via silicon tetrachloride, not something I suggest you be handling. Aceta ... |
2-4-2012 at 22:22
by: DJF90 |
Vanillin - adulterated?
Vanillin is a pale yellow crystalline substance. It should dissolve in sodium hydroxide solution (ph ... |
2-4-2012 at 10:59
by: DJF90 |
Bad days in the lab or with glassware?
Its very irresponsible to dump ANY heavy metal waste down the drain. Always precipitate it and save ... |
1-4-2012 at 15:55
by: DJF90 |
silica 60 for flash column
Silica gel for TLC is alot finer than that for flash. I'd save it as it is and make a bunch of TLC p ... |
1-4-2012 at 15:43
by: DJF90 |
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