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Ozone generator.
Wellcome back axe!

I just found out that my marvinator is not good enough to make H2SO4. You don& ...
9-4-2004 at 09:23
by: Tacho
How to keep elemental bromine?
Thanks.

Well, I have made some bromine oxidating aquous NaBr.

Even after some bromine has pre ...
8-4-2004 at 09:44
by: Tacho
How to keep elemental bromine?
Bromine is dangerous and escapes from every container as a gas.

If I keep it mixed with some solv ...
8-4-2004 at 06:39
by: Tacho
Iron ethoxide
I strongly advise you to use two containers and a salt bridge. You get (hopefully) clean sodium etho ...
8-4-2004 at 06:27
by: Tacho
unconventional sodium
To obtain sodium granules you must mix NaCl to the NaOH. Some NaCO3 seems to improve yields. See my ...
8-4-2004 at 06:04
by: Tacho
Ozone generator.
No, HCl+NaBr does not work. I bubbled it for 20 min.

It was a good idea, though.

I presume t ...
6-4-2004 at 15:28
by: Tacho
Ozone generator.
Now, that’s a beautiful post Marvin!
It expresses ideas, points of view and even has sense of hum ...
6-4-2004 at 03:35
by: Tacho
Ozone generator.
Guess what? I did a test with KI solution and another with NaBr solution. KI goes from clear to tan ...
5-4-2004 at 15:41
by: Tacho
Ozone generator.
Maybe, but iodine has strong color and low volatility(sp?). Chlorine does not make sense and bromine ...
5-4-2004 at 11:13
by: Tacho
Ozone generator.
The potassium iodide->Iodine as a ozone measure is new to me! I like that.
5-4-2004 at 10:26
by: Tacho
Sodium!
[quote][i]Originally posted by hodges[/i]
I think if by "9V battery" you mean one of thos ...
5-4-2004 at 03:35
by: Tacho
Ozone generator.
Oh! Marvin, Marvin, you noticed!

I’m soooo honored!

You think the acrylic won’t hold to t ...
5-4-2004 at 03:19
by: Tacho
Ozone generator.
This is the new version of an old ozone generator I've built.

It turns water with a drop of ...
4-4-2004 at 15:57
by: Tacho
Ozone generator.
Thank you so much!
I learned a lot from your post and I feel much more enlightened about this subje ...
2-4-2004 at 03:49
by: Tacho
V2O5 catalyst for H2SO4 production.
This stuff is humiliating...

When I think of myself melting a few drops of Al in a tuna can, with ...
1-4-2004 at 03:37
by: Tacho
Ozone generator.
[quote][i]Originally posted by axehandle[/i]
(snip)
And yes, you are insane. I get fixed ideas too ...
30-3-2004 at 09:20
by: Tacho
Iodine extraction from brine
Iodine is obtained from seaweed.
The percentage of iodine in seawater is too low to be extracted! ...
30-3-2004 at 00:50
by: Tacho
Ozone generator.
Some time ago, I have built an ozone generator capable of filling the ambient with that smell. I wou ...
30-3-2004 at 00:31
by: Tacho
A Sciencemadness retrospective
Thank you for this place.
You guys who put this place together have something to be proud of. Cert ...
29-3-2004 at 03:33
by: Tacho
V2O5 catalyst for H2SO4 production.
He is melting aluminum in the middle of the night! :o

axe, turn everything off, put the furnace i ...
26-3-2004 at 16:34
by: Tacho
V2O5 catalyst for H2SO4 production.
Document! Document! Document!

[quote][i]Originally posted by Geomancer[/i]
(snip)
Axehandle ...
26-3-2004 at 15:14
by: Tacho
V2O5 catalyst for H2SO4 production.
[quote][i]Originally posted by axehandle[/i]
Gak! You couldn't make sulfur react with zinc??? ...
26-3-2004 at 11:19
by: Tacho
V2O5 catalyst for H2SO4 production.
I can't see any reason why it wouldn't work, although I don't like the "lots of ...
26-3-2004 at 10:15
by: Tacho
V2O5 catalyst for H2SO4 production.
Boy, your room must smell like hell. Literally.

Let's be optimists: at least you molded the ...
26-3-2004 at 04:43
by: Tacho
V2O5 catalyst for H2SO4 production.
I have built an ozone generator once.

It used a tv's flyback transformer. This is the best w ...
25-3-2004 at 15:08
by: Tacho
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