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Salvaging MnO2 from batteries really isn't worth it (dirty) - getting pottery grade worth it!
Yeah, carbon-zinc batteries don't mention the MnO2, even though that's what they are by weight mostl ... |
22-3-2018 at 10:07
by: Melgar |
K2CO3 and NaCl seperation??
You're going to get sodium carbonate as the first thing to precipitate out from water. It has the l ... |
21-3-2018 at 20:09
by: Melgar |
SM Kemistry Skool
So why is carbon chemistry such a big deal, anyway? And why not its neighbors on the periodic table ... |
21-3-2018 at 18:25
by: Melgar |
Distillation using an air condenser
I set up a liquid-cooled system that used a CPU heatsink and two 60W 12VDC thermoelectric coolers fo ... |
21-3-2018 at 18:14
by: Melgar |
Closed-system thermoelectric cooling system
I waited too long, and now can't edit my first post anymore. Will have to make a new post with a pro ... |
21-3-2018 at 18:07
by: Melgar |
Salvaging MnO2 from batteries really isn't worth it (dirty) - getting pottery grade worth it!
Yeah, when I realized that KMnO4 could be had OTC for about $10/lb, that pretty much did it for me. ... |
21-3-2018 at 17:58
by: Melgar |
TEMPO 2,2,6,6-Tetramethylpiperidine 1-oxyl
I have a bunch of excess elemental selenium and TBAB, among other things. I'm really not in much of ... |
21-3-2018 at 17:50
by: Melgar |
SM Kemistry Skool
Well, if we're going to be a proper skool...
Rust-colored iron oxide stains are usually iron oxid ... |
16-3-2018 at 15:44
by: Melgar |
Reduction of substituted 2-phenylnitroethenes to 2-phenylnitroethanes with NaBH4 - Maybe the greatest way to make tar
I'm posting here just to fix the formatting glitch that XMB seems to be having right now.
edit: B ... |
16-3-2018 at 11:58
by: Melgar |
Decarboxylation of Glycine to Methylamine?!
No, propylene glycol is not your problem. It works just fine as a solvent for decarboxylation using ... |
16-3-2018 at 00:35
by: Melgar |
Iodine recovery and storage issues.
I've tried this myself, and had more success with some parts than others.
First step is to conver ... |
15-3-2018 at 21:26
by: Melgar |
Will Gallium wet glass in an inert atmosphere?
Yeah, it will. They have to use a special coating on the inside of galinstan thermometers for that ... |
15-3-2018 at 21:15
by: Melgar |
Glass Vials
30 mL is one fluid ounce. You typically call that size a "bottle" rather than a "vial".
I use HD ... |
15-3-2018 at 21:07
by: Melgar |
Reduction of substituted 2-phenylnitroethenes to 2-phenylnitroethanes with NaBH4 - Maybe the greatest way to make tar
Eh, it was borderline, and fairly benign. We don't even know where he is to know if he's breaking t ... |
14-3-2018 at 16:43
by: Melgar |
Can anyone guess the chemicals used in this experiment
No. This is a forum for written communication, not promoting youtube videos and channels. Granted, ... |
14-3-2018 at 16:32
by: Melgar |
Looking to buy nitroethane
Correct me if I'm wrong, but none of the other components of this stuff would seem to impede a nitro ... |
14-3-2018 at 10:32
by: Melgar |
The moment (or moments) that made you realize you had a passion for chemistry
In all honesty? I read [i]The Anarchist's Cookbook[/i] circa 1998, and concluded that understanding ... |
10-3-2018 at 02:06
by: Melgar |
Compounds (API's) with various hydrate forms - what testing can differentiate these
I took a class on FDA regulations as part of my biomedical engineering degree. Generics would have ... |
9-3-2018 at 19:32
by: Melgar |
Lengthy, time-consuming overhaul of forum software
I concluded that the best way to migrate the data is by having mySQL output a tab-delineated csv-typ ... |
9-3-2018 at 19:22
by: Melgar |
Street drug analysis / harm reduction
[rquote=509963&tid=75072&author=Sigmatropic]Racemically pure, that's a good one... Even thou ... |
9-3-2018 at 11:26
by: Melgar |
Help for a young scientist
[rquote=509937&tid=81001&author=elliephant]I'm interested by this idea of 'antidotes'. Are t ... |
8-3-2018 at 23:15
by: Melgar |
Trouble melting plastic for recycle science project
If this plastic has to be transparent, and I suspect it does since you're using it rather than some ... |
8-3-2018 at 19:51
by: Melgar |
Triethyl borate and triisopropyl borate
First of all, methanol's toxicity is overrated, and you pretty much need to drink it in order to be ... |
8-3-2018 at 17:50
by: Melgar |
Street drug analysis / harm reduction
So it looks like there's finally an answer to this. Apparently, Mexican cartels have been diverting ... |
8-3-2018 at 17:15
by: Melgar |
Lengthy, time-consuming overhaul of forum software
Well, I hope I finish it. If it works, then it'll be able to do whatever the most recent version of ... |
8-3-2018 at 01:29
by: Melgar |
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