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Farm and Veterinary Supplies
I got a pound of acetylsalicylic acid USP that way. I think it was $7. Very useful. |
30-11-2015 at 09:38
by: Praxichys |
Condensation of Mandelic acid ester with Guanidine
I'm getting a lot of contradictory references on solubility as well. From the .pdf reference you att ... |
25-11-2015 at 09:39
by: Praxichys |
Condensation of Mandelic acid ester with Guanidine
Try saturating the solution with NaCl after adding water and acidifying. Extract with Et[sub]2[/sub] ... |
25-11-2015 at 07:31
by: Praxichys |
Forum Projects
[rquote=428786&tid=64430&author=The Volatile Chemist]
I don't have any good ideas at the mo ... |
24-11-2015 at 06:12
by: Praxichys |
Plasticizer problem
That depends on what you're trying to achieve.
If you have already recrystallized your ETN into a ... |
23-11-2015 at 12:35
by: Praxichys |
Plasticizer problem
[rquote=428545&tid=64403&author=underground]I dissolve them in unleaded gasoline, mix the su ... |
23-11-2015 at 10:53
by: Praxichys |
Isoparaffin C12-14
Oooohhh, shiny. [i]Really[/i] shiny.
Personally I prefer an abrasive of fine native clay and smal ... |
20-11-2015 at 09:16
by: Praxichys |
Cork stopper chemical resistant, and other information
Nitric acid is not friendly to cork. You will essentially be making nitrocellulose - a disaster wait ... |
19-11-2015 at 05:38
by: Praxichys |
Cork stopper chemical resistant, and other information
Cork stoppers are terrible.
They're porous and absorb chemicals, making them hard to clean and l ... |
18-11-2015 at 12:54
by: Praxichys |
phosphoethanolamine
Well, phooey. For some reason I assumed phosphates were like borates. It does seem pretty straightfo ... |
18-11-2015 at 05:28
by: Praxichys |
Laboratory glassware for sale
Dang. I was going to snipe that at the last second. I was the highest bidder for like two days! |
18-11-2015 at 05:08
by: Praxichys |
phosphoethanolamine
It should be pretty easy to make. It's just the phosphoric acid mono-ester of monoethanolamine.
I ... |
17-11-2015 at 11:32
by: Praxichys |
Benzamide
Gah, that reflux/heat procedure is a PITA every time. A much better way is the ammonolysis of a benz ... |
16-11-2015 at 07:31
by: Praxichys |
science madness swap sell and buy site
@ Little_Ghost_again
Be careful. Skimming fees makes you liable for lots of stuff. Why do you th ... |
16-11-2015 at 05:37
by: Praxichys |
science madness swap sell and buy site
Hey, that would be great. You should also create a thread about yourself in the "seller profile" sec ... |
14-11-2015 at 07:31
by: Praxichys |
SM Classifieds: A good idea?
This idea has become so popular that I decided to jump for it. I have created a free trading post fo ... |
13-11-2015 at 10:37
by: Praxichys |
science madness swap sell and buy site
Well, I came back to this thread to find that Little_Ghost_Again has beaten me to the punch.
I se ... |
13-11-2015 at 10:32
by: Praxichys |
Salting out ethanol and distillation
Unfortunately the cheap phosphate fertilizer I see is ground-up phosphate rock. Buying monobasic pot ... |
13-11-2015 at 06:46
by: Praxichys |
Stainless Steel resistance to acids
A long time ago I made the mistake of cleaning limescale off various ceramic plates with a weak HCl ... |
13-11-2015 at 06:23
by: Praxichys |
Dumb from "he is no longer allowed to engage in chemistry experiments except under supervision in school labs"
[rquote=427402&tid=64312&author=Mesa]
Offtopic: I swear I've seen you make a near identical ... |
12-11-2015 at 09:16
by: Praxichys |
Dumb from "he is no longer allowed to engage in chemistry experiments except under supervision in school labs"
[rquote=427333&tid=64312&author=Cou]
Really? The reason these kids build home labs is BECAU ... |
12-11-2015 at 07:41
by: Praxichys |
Storing low bp chemicals?
[rquote=427379&tid=64301&author=ave369]I've yet to produce diethyl ether, but when I make it ... |
12-11-2015 at 06:01
by: Praxichys |
"Hacked/Modified" Microwave to 2-3x power (4,000 watts) - thoughts?
[rquote=427081&tid=64017&author=franklyn]
Unlike other physical waves electromagnetic energ ... |
10-11-2015 at 07:29
by: Praxichys |
"Hacked/Modified" Microwave to 2-3x power (4,000 watts) - thoughts?
It won't work. The antenna on one magnetron will receive the microwaves from the other and it will o ... |
10-11-2015 at 05:50
by: Praxichys |
Laboratory glassware for sale
The secret is to immobilize everything so it doesn't bang together. Keep the items well away from co ... |
9-11-2015 at 12:09
by: Praxichys |
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