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Mine platinum from the dust next to highways
6.8g Pt/ton of dirt next to the highway is a pretty impressive grade!
https://www.youtube.com/wat ... |
28-5-2016 at 22:35
by: deltaH |
Oxidizing properties of N2O
[b]AJKOER[/b], so basically a single electron reduction of N2O in a protic solvent transforms it int ... |
28-5-2016 at 22:00
by: deltaH |
Hard crystals
The hardness of a crystal has a lot to do with the strength of the bond between the units that make ... |
2-4-2016 at 06:13
by: deltaH |
Method for preparing anhydrous aluminium chloride
[rquote=444101&tid=65799&author=blogfast25]@deltaH:
Method A would be worth a shot. I thi ... |
2-4-2016 at 05:44
by: deltaH |
Method for preparing anhydrous aluminium chloride
This is a hypothetical idea of mine for making anhydrous aluminium chloride with low cost OTC chemic ... |
2-4-2016 at 04:28
by: deltaH |
Does CaO evaporate at 1000 °C?
Calcium hydroxide reacts with urea to make calcium cyanurate and ammonia. The white calcium cyanurat ... |
18-3-2016 at 11:42
by: deltaH |
Transparent Sodium?
Thanks for that literature [b]Pok[/b]. It is very extensive, I think the answers I seek are probably ... |
12-3-2016 at 06:16
by: deltaH |
Transparent Sodium?
Previously in this thread I had calculated that the heat released by a molten Na2O combined with hyd ... |
11-3-2016 at 22:39
by: deltaH |
Transparent Sodium?
The plot thickens:
https://www.youtube.com/watch?v=PDRWQUUUCF0
Sodium chloride, WTF? Look at t ... |
10-3-2016 at 23:16
by: deltaH |
Curious corrosion formation
Spectacular! |
9-3-2016 at 22:21
by: deltaH |
Simple metal-air cell
How NOT to build a zinc-iron|air cell:
https://www.youtube.com/watch?v=niBAyyyr_wU |
6-3-2016 at 12:18
by: deltaH |
Physics brain teaser: storage tank filling time
[rquote=440959&tid=65505&author=blogfast25]deltaH was correct.
My value for alpha was way ... |
6-3-2016 at 12:10
by: deltaH |
Physics brain teaser: storage tank filling time
I used this online venturi calculator because I'm a lazy shit: http://www.efunda.com/formulae/fluids ... |
6-3-2016 at 10:46
by: deltaH |
Physics brain teaser: storage tank filling time
Nice problem [b]blogfast[/b]. My 2.3h is the filling time at a constant dP. So the real answer will ... |
5-3-2016 at 21:07
by: deltaH |
Physics brain teaser: storage tank filling time
2.3h? |
5-3-2016 at 09:19
by: deltaH |
Simple metal-air cell
Dratz, I used anode and cathode the wrong way around AGAIN. As soon as I say cathodic protection, I ... |
1-3-2016 at 20:18
by: deltaH |
Simple metal-air cell
[rquote=440516&tid=65469&author=aga]Brilliant stuff deltaH !
I do believe i possess the ... |
1-3-2016 at 12:49
by: deltaH |
Simple metal-air cell
Inspired by [b]Sulaiman's[/b] cell constructing here:
http://www.sciencemadness.org/talk/viewthre ... |
1-3-2016 at 12:27
by: deltaH |
Magnesium-Copper cell questions
I built the zinc version in a can of baked beans this morning. The scrap zinc metal charge was 112g ... |
1-3-2016 at 01:04
by: deltaH |
Magnesium-Copper cell questions
[rquote=440410&tid=65452&author=blogfast25][rquote=440403&tid=65452&author=deltaH]So ... |
29-2-2016 at 21:40
by: deltaH |
100-year cell
Sorry for the terrible drawing, but this was done on a device not meant for drawing, many brave ewok ... |
29-2-2016 at 14:02
by: deltaH |
Magnesium-Copper cell questions
Neither copper sulphate nor magnesium sulphate are deliquescent salts, so they probably won't conduc ... |
29-2-2016 at 13:45
by: deltaH |
Why are hydroxides slippery and acids grippy?
I don't think any of these explanations are correct.
Even baking soda solutions feels slightly s ... |
26-2-2016 at 00:42
by: deltaH |
Calcium bicarbonate
PS. It tastes rather nice, like soda water without the edge and it's very fizzy.
[Edited on 24-2-2 ... |
24-2-2016 at 13:29
by: deltaH |
Calcium bicarbonate
Yes, what I was really after was seeing an appreciable dissolution of calcium carbonate as the wiki ... |
24-2-2016 at 13:24
by: deltaH |
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