| Search |
| [Next Page] |
Latest chemical order?
I suspected probably moisture. I might try purifying it, although that is probably not necessary. |
7-11-2017 at 08:08
by: JJay |
Preserving Chemistry Channels
YouTube took down Elch Science. I have no idea why. It seemed to have a lot of promise. |
6-11-2017 at 17:52
by: JJay |
Short question / quick answer - Thread
What do people typically use for scrubbing nitrogen oxides when making nitric acid? Will sodium carb ... |
5-11-2017 at 17:18
by: JJay |
40% formaldehyde solution from paraformaldehyde?
37g... it's for 40% v/v. For 40% w/w you would use 40 grams paraformaldehyde and 60 mL water. 40% is ... |
5-11-2017 at 12:53
by: JJay |
Latest chemical order?
I stopped by the hardware store for a few things, and while I was there I picked up some 99% boric a ... |
5-11-2017 at 10:25
by: JJay |
Safe handling and storage of fuming hydrochloric acid?
I remember being surprised by the fumes the first time I ever handled 37% hydrochloric acid... I usu ... |
4-11-2017 at 20:45
by: JJay |
Purifying denaturated alcohol
Unlikely. |
4-11-2017 at 16:59
by: JJay |
How to synthesize cetyl chloride
It looks like Lucas cited this paper in his paper on the Lucas reagent (found on Google Scholar; whi ... |
3-11-2017 at 12:43
by: JJay |
Best Mask and cartridge for Halogens?
I've actually used the one above for chlorine a couple of times without incident, not to mention bro ... |
2-11-2017 at 20:38
by: JJay |
Best Mask and cartridge for Halogens?
This one could protect against chlorine: https://www.amazon.com/3M-62023HA1-C-Professional-Multi-Pur ... |
2-11-2017 at 14:38
by: JJay |
Latest chemical order?
I ordered some oxalic acid. Right now I'm shopping for tricalcium phosphate. |
2-11-2017 at 11:58
by: JJay |
Should I talk to the police before starting my lab?
If they want to talk to you, they'll let you know. |
2-11-2017 at 09:24
by: JJay |
How to synthesize cetyl chloride
Hydrochloric acid reacts very slowly with primary alcohols. You could use phosphorus trichloride or ... |
2-11-2017 at 07:21
by: JJay |
in vacuo in older texts.
That means "in a vacuum" in Latin, but if you want to look like a major science snob, you can put an ... |
1-11-2017 at 13:51
by: JJay |
Retort for sulphuric acid distillation?
I don't really trust borosilicate with boiling sulfuric acid either, so I use one of these for disti ... |
30-10-2017 at 21:57
by: JJay |
Lithium Storage problem
I guess it might be helpful to know how the lid fits onto the flask and what you have tried already. |
30-10-2017 at 03:10
by: JJay |
Synthesis of dopamine from catechol
@DJF90: The point was that the Duff reaction doesn't only ortho-formylate. I had mentioned that I di ... |
29-10-2017 at 13:48
by: JJay |
Synthesis of dopamine from catechol
@DJF90: The mechanism and selectivity of the Duff reaction is a subject of current research, much of ... |
29-10-2017 at 12:43
by: JJay |
Synthesis of dopamine from catechol
I'm certainly no expert on the Duff reaction, but I've read that it para-formylates when the ortho p ... |
29-10-2017 at 09:29
by: JJay |
filtering dirty concentrated sulfuric acid
A porous glass frit can withstand concentrated sulfuric acid:
https://www.ebay.com/itm/Fritted-Bu ... |
29-10-2017 at 09:25
by: JJay |
Synthesis of dopamine from catechol
I'm going to give this a try starting with 325 mg aspirin x 200 and see how far I get.
I have the ... |
29-10-2017 at 08:19
by: JJay |
Lithium Storage problem
The xylene with the lowest flash point is o-xylene, with a flash point of 17 C. If you chill the fla ... |
29-10-2017 at 04:07
by: JJay |
Help Getting a New Magnetic Stirrer
I have used immersion heaters with oil baths lots of times, and they work OK. (I got the idea out of ... |
28-10-2017 at 20:13
by: JJay |
Synthesis of dopamine from catechol
YouTube videos demonstrate decarboxylation of niacin to make pyridine with basic copper carbonate or ... |
28-10-2017 at 09:29
by: JJay |
Help Getting a New Magnetic Stirrer
I do not in any way recommend low-wattage hotplate/stirrers, but if absolutely necessary, you can us ... |
28-10-2017 at 02:04
by: JJay |
| [Next Page] |
