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Obtaining Alkali Metals
I had a car with sodium filled exhaust valves.. not sure how much would be in a valve, but... suppos ... |
6-9-2012 at 13:00
by: marko |
Help identifying some corrosion
How does it look inside? I'm thinking $45 was too much... |
5-9-2012 at 21:54
by: marko |
What reagents can I make from ash?
Mostly NaOH, KOH. I suppose much of it would turn to carbonate. I think it depends on the type of wo ... |
5-9-2012 at 13:07
by: marko |
How pure is denatured alcohol?
Hey mr. crow. I have the same rubbing alcohol.
Going from the govnt's denatured alcohols law, thi ... |
31-8-2012 at 02:46
by: marko |
CaCO3 mouth reaction
Hi, kind of a silly question but I'm curious anyway.
When you take tums, i find if you don't eat ... |
16-4-2012 at 00:06
by: marko |
Substances with near room temp phase change
Problem with galinstan is that it wets to glass, so I don't think it will be easy to see in a vial.
... |
27-3-2012 at 13:12
by: marko |
Paste
I think the vehicle, paste, and carrier substance are one in the same...
Try and find something t ... |
27-3-2012 at 13:09
by: marko |
Substances with near room temp phase change
Hi, I was thinking of making a sort of.. fuzzy thermometer, with a few vials of substances that chan ... |
27-3-2012 at 01:55
by: marko |
Extraction of caffeine with diethyl ether
I presume that is for the vapour, at proper air/ether mixture, not liquid. |
21-3-2012 at 13:04
by: marko |
Extraction of caffeine with diethyl ether
Hmm, autoignition of ether is 160C according to google. I know it's very volatile, but I didn't thin ... |
21-3-2012 at 12:43
by: marko |
PTFE stirring bar dissolved?
Do you have hard water? I suppose a drop of acid should tell you whether the powder is some carbonat ... |
20-3-2012 at 01:29
by: marko |
Cleaning CRT monitors
The grey coating is aquadag (pretty much straight graphite). |
19-3-2012 at 01:00
by: marko |
Nylon and Acid
Looks like it is soluble in HCl. If you broke the chain, it wouldn't continue to behave like nylon o ... |
8-3-2012 at 12:34
by: marko |
Illuminating Gas
Even if it were CO, the colour the gas burns is immaterial - the setup (for the last 100+ years, at ... |
7-3-2012 at 22:48
by: marko |
Concentrating dilute sulphuric acid(battery acid) without distillation
98% is the azeotrope with water, so you can't do better than that by evaporation.
I presume once ... |
5-3-2012 at 00:58
by: marko |
Scratched borosilicate
If I could find the bloody charger I'd take a picture... looking at it again it's pretty unnoticeabl ... |
4-3-2012 at 01:31
by: marko |
Scratched borosilicate
I got some new glass today, and a boiling flask has a couple 1cm scratches in it.. not amazingly dee ... |
1-3-2012 at 22:58
by: marko |
Liquid Nitrogen
Around here, all the gas houses are geared to industry and don't really seem to be helpful, unless y ... |
24-2-2012 at 01:43
by: marko |
Diethyl Phthalate as a denaturant?
Right, but why not just detect the camphor, then..? or the bitterant. hmm |
24-2-2012 at 01:34
by: marko |
Methanol Concentration
The density is pretty close, though, I'd think it would be hard to measure, and even a little water ... |
18-2-2012 at 19:35
by: marko |
Diethyl Phthalate as a denaturant?
Hi, I found a cheap ethanol based rubbing compound at the drug store, and figured it could be easily ... |
18-2-2012 at 19:05
by: marko |
