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Electrolysis of aqueous NaCl for producing HCl acid
Please, take a look:
http://www.sciencemadness.org/talk/viewthread.php?tid=2154&page=1#pid223 ... |
16-3-2009 at 14:16
by: Tacho |
Bismuth from its Subsalicylate (Pepto-Bismol®)
I remember at least two other threads here about obtaining bismuth from peptobismol. I failed in my ... |
9-3-2009 at 16:20
by: Tacho |
Glassware from fluorescent lamps - How to get rid of Hg?
I meant aDsorbed, not aBsorbed. Mostly by the phosphor powder, I think.
The germicidal lamps I ha ... |
3-3-2009 at 03:10
by: Tacho |
Glassware from fluorescent lamps - How to get rid of Hg?
I believe the diameter can be reduced without "drawing" it, simply by turning it and shaping with a ... |
2-3-2009 at 05:45
by: Tacho |
Glassware from fluorescent lamps - How to get rid of Hg?
A polysulfide solution seems to be what I was looking for. Easy to make and is already commonly used ... |
20-2-2009 at 09:27
by: Tacho |
Glassware from fluorescent lamps - How to get rid of Hg?
THE LIQUID: Does sodium bissulfite react with mercury? What about colloidal sulfur? Maybe a sulfur s ... |
20-2-2009 at 03:08
by: Tacho |
Glassware from fluorescent lamps - How to get rid of Hg?
@bquirky: To cut glass I use a small diamond disk on a Dremel-like tool (small, cheap chinese 12V ve ... |
19-2-2009 at 03:37
by: Tacho |
Glassware from fluorescent lamps - How to get rid of Hg?
Fluorescent lamps have soda-lime glass tubes of all sizes and shapes. However, cutting them presents ... |
18-2-2009 at 03:11
by: Tacho |
Vacuum From Peristaltic Pumps
The attached pdf describes the development of a peristaltic vacuum pump that can reach 5 x 10-2 Torr ... |
21-1-2009 at 13:37
by: Tacho |
Silver Precipitation from Silver Nitrite
I have produced fine gray silver powder by mixing insoluble silver chloride with a solution of sodiu ... |
5-12-2008 at 02:44
by: Tacho |
self-made high-vacuum diffusion pump
I see.
Anyway, considering the simplicity of it, I would be interested in reading some more abou ... |
19-11-2008 at 09:30
by: Tacho |
self-made high-vacuum diffusion pump
Chief, let me see if I get this right: you are saying that some sort of getter pump would result in ... |
19-11-2008 at 08:35
by: Tacho |
self-made high-vacuum diffusion pump
I wonder what would happen to residual gasses if you heated (melted) a chunk of sodium or calcium in ... |
19-11-2008 at 02:48
by: Tacho |
self-made high-vacuum diffusion pump
I once tried to lower the vapour pressure of water in a water-jet pump by adding ethylene glycol. Th ... |
18-11-2008 at 06:48
by: Tacho |
Best voltage to etch metals in an electrolytic cell.
not_important, I was really missing some of those points. Very informative post and links, thank you ... |
12-11-2008 at 06:47
by: Tacho |
Best voltage to etch metals in an electrolytic cell.
I think that electroetching can be an affordable and simple substitute for laser cutting.
Last wee ... |
12-11-2008 at 03:18
by: Tacho |
Best voltage to etch metals in an electrolytic cell.
Thank you all.
@bquirky: Very interesting post. You sure have a hands-on experience on the subjec ... |
11-11-2008 at 08:21
by: Tacho |
Best voltage to etch metals in an electrolytic cell.
I am considering an electrolytic cell to etch (corrode) metal.
I assume that I should work with ... |
10-11-2008 at 03:20
by: Tacho |
What does APP mean?
I did some querys on this eutectic molten salts compositions page:
http://ras.material.tohoku.ac.j ... |
9-9-2008 at 04:42
by: Tacho |
Nitrating paper
In case you have difficulties finding nitric acid, the book "Caveman Chemistry" describes the nitrat ... |
7-8-2008 at 04:26
by: Tacho |
If water absorbs infrared, how come pools don't get hotter?
DerAlte, my curiosity is more scientific than practical. I send you a PM with details.
The posts ... |
2-8-2008 at 06:16
by: Tacho |
If water absorbs infrared, how come pools don't get hotter?
Uhmm... Only certain bands of IR are absorbed. I think that would be the best explanation. I rule ou ... |
1-8-2008 at 03:46
by: Tacho |
If water absorbs infrared, how come pools don't get hotter?
Discussing with friends on how to heat a swimming pool in winter using the sun, someone suggested to ... |
31-7-2008 at 04:54
by: Tacho |
Open source Datalogger that needs very simple external circuit.
Thank you for your sympathy, Magpie.
This datalogger is a bit too slow for watching waveforms, but ... |
12-6-2008 at 03:45
by: Tacho |
Open source Datalogger that needs very simple external circuit.
A screenshot: |
11-6-2008 at 13:56
by: Tacho |
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