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Picric Acid ─ not considered harmful . . . ?
When kept under water, or moist, it IS relatively safe, although the NFPA gives it a 3 for health, a ... |
2-3-2014 at 16:12
by: jwpa17 |
Thiazole Yellow Aka Clayton Yellow Aka Titan Yellow
I did a little searching and found 0.5% in water as well.
Most references indicated that the compou ... |
2-3-2014 at 15:25
by: jwpa17 |
Metabolism of Propylene Glycol
I doubt that 50 mL (about 50 g) of propylene glycol would be dangerous to a healthy adult, but I que ... |
12-2-2014 at 18:20
by: jwpa17 |
Alkali production by Brettanomyces Custersianus?
"I couldn't tell if it was originating from the colonies or not, but the entire plate ended up blue. ... |
8-2-2014 at 09:34
by: jwpa17 |
Alkali production by Brettanomyces Custersianus?
Did the plate turn blue around the colonies, or all over? I don't recall whether yeast spread much ... |
6-2-2014 at 21:17
by: jwpa17 |
Very cool
I've always thought a DIY Arduino-driven potentiostat would be a good project for home research. Wh ... |
30-1-2014 at 16:01
by: jwpa17 |
Digestion of rice protein
You can "fake" a ball mill pretty easily. Just keep in mind that the milling media should be harder ... |
24-1-2014 at 19:44
by: jwpa17 |
making Ph sensors, w lasers !
That's very interesting. Reminds me of the work of Sanford Asher, University of Pittsburgh. Change ... |
22-1-2014 at 14:49
by: jwpa17 |
acid digestion of proteins
It's the preferred method for converting proteins to free amino acids for amino acid analysis. Used ... |
4-1-2014 at 13:54
by: jwpa17 |
Electrolytic Cell Question
If you want to repeat the experiment, try supporting the copper electrodes by taping them to a suppo ... |
14-12-2013 at 17:47
by: jwpa17 |
Digestion of rice protein
You cook simply cook the rice in, e.g., 0.1 M HCl, for an extended period, then neutralize the acid. ... |
14-12-2013 at 11:19
by: jwpa17 |
Electrolytic Cell Question
cpman - there's no question but that you made copper II ions, and when you evaporated the solution, ... |
14-12-2013 at 10:58
by: jwpa17 |
Electrolytic Cell Question
I tend to agree with DragonicAcid. Copper wire is usually pretty pure. And I'm a bit curious about ... |
13-12-2013 at 19:29
by: jwpa17 |
Infrared Heat Source for Distillation - Decomposition: Yes or No? Why?
Pyrotrons -
Your IR heating idea is good, and will heat efficiently, particularly if you can couple ... |
2-11-2013 at 18:37
by: jwpa17 |
DIY portable HPLC
FWIW
Seems to me capillary electrophoresis is more amenable to home laboratories than HPLC. I've ... |
28-10-2013 at 19:08
by: jwpa17 |
acid digest of stevioside
"Any strong acid is going to mash up stevioside."
Exactly right - although it's a bit more robust t ... |
24-10-2013 at 15:03
by: jwpa17 |
TFA formation in MS
I'm certainly no expert, and in fact am not sure what you mean by
"We know its TFA;
we get
(M-H)- ... |
18-9-2013 at 17:19
by: jwpa17 |
Capillary Electrophoreses - What is the buffer for?
For one thing, it's easier to apply the driving potential by simply immersing the electrodes in the ... |
16-8-2013 at 19:05
by: jwpa17 |
Not to be trite, but
Google is your friend.
I'm sorry, but I'm not really able to give you a crash course in electronics ... |
29-5-2013 at 12:54
by: jwpa17 |
Amplifying signal
I think you'd be better off to amplify the signal, rather than try for a higher resolution A/D.
Sup ... |
28-5-2013 at 16:14
by: jwpa17 |
