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got into trouble for experimenting in dorm
Hi everyone. I recently got into major trouble for doing chemical experiments in my dorm and am seek ...
26-11-2008 at 11:28
by: UncleJoe1985
Easy way to measure pH < 0
Good thing I didn't store my ammonia with indicator premixed. However, I read that red cabbage juice ...
10-11-2008 at 07:06
by: UncleJoe1985
The lead salts preparation thread!
[quote]
That keeps the carbonate levels high, minimising pH... keeping lead out of solution[/quote] ...
6-11-2008 at 10:30
by: UncleJoe1985
The lead salts preparation thread!
12AX7,

I see you have a lot of experience with making lead salts on your web page. Can I make ...
5-11-2008 at 20:08
by: UncleJoe1985
The lead salts preparation thread!
OK, I think I've narrowed down my choices in making Pb(NO3)2 using lead metal:

1. Pb = > PbCl2 ...
5-11-2008 at 10:46
by: UncleJoe1985
Easy way to measure pH < 0
[quote]Do not premix the indicator with the titrant--that's wrong[/quote]

How's that bad? Is it b ...
2-11-2008 at 14:54
by: UncleJoe1985
Easy way to measure pH < 0
[quote]
diluting and measuring the pH of that would be quicker than titrating.[/quote]

I don't s ...
1-11-2008 at 15:27
by: UncleJoe1985
The lead salts preparation thread!
Nah, too much trouble unless I can absorb all of it. Somebody suggested using H2O2, but I don't know ...
1-11-2008 at 14:20
by: UncleJoe1985
Pb(NO3)2 from Pb and N4NO3
kilowatt,

I'm interested in using your electrolysis method of making Pb(NO3)2 from NH4NO3 and Pb. ...
1-11-2008 at 11:03
by: UncleJoe1985
Easy way to measure pH < 0
After considering the steps needed in using a pH meter for measuring a pH < 0, it seems no labor ...
31-10-2008 at 22:47
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
[quote]
bubble the acid solution just with plain air for a while (with a condenser above), to oxidi ...
29-10-2008 at 00:10
by: UncleJoe1985
concentrating nitric acid
I got the idea of using PTFE (teflon) coated metal vessels for distilling. I was using a glass bowl ...
28-10-2008 at 22:03
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
No, the 1.6 M acid is very light yellow, too pale for my camera to capture.
27-10-2008 at 13:36
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
Here's some more data I measured after getting up today:

The concentration is now 1.61 M = 9.6% a ...
27-10-2008 at 06:58
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
Formatik,

I didn't use CD protectors - didn't know they existed until now. I split DVDs in half a ...
26-10-2008 at 23:13
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
497:

[quote]
it takes 180 seconds to oxidize 90% of the NO[/quote]

Wow, I never knew it was t ...
26-10-2008 at 17:30
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
OK, I've found the reference to higher [O2] => greater efficiency. It's on page 36 of [url=http:/ ...
26-10-2008 at 17:04
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
[quote]It takes much longer to fully oxidize the resulting NO back to N2O4 ...
The air space will a ...
26-10-2008 at 16:25
by: UncleJoe1985
ammonium nitrate rocket fuel
Awesome, I've known about his work before, but haven't seen [url=http://www.nakka-rocketry.net/anexp ...
26-10-2008 at 15:34
by: UncleJoe1985
ammonium nitrate rocket fuel
Does anybody have any experience with NH4NO3 based rocket fuels? I've tried using sugar as a fuel, b ...
26-10-2008 at 14:58
by: UncleJoe1985
Birkeland-Eyde reactor for making nitric acid.
I've built a slightly larger absorption tower using a 2.1L acrylic jar from Walmart with 10 polycarb ...
26-10-2008 at 11:36
by: UncleJoe1985
concentrating nitric acid
Actually, I've seen that diagram before, but wasn't sure what the vapor composition curve meant. I'v ...
26-10-2008 at 10:33
by: UncleJoe1985
concentrating nitric acid
Thanks for the tips, but I'm trying to do this with minimal additional chemicals. The NaNO3 + H2SO4 ...
25-10-2008 at 11:15
by: UncleJoe1985
modeling an electric arc
[quote]
The following is from 'Neon Signs'. It may be of some use."[/quote]

An arc dropping half ...
23-10-2008 at 15:42
by: UncleJoe1985
modeling an electric arc
Hi everyone. To continue improving the efficiency of my arc furnace for nitric acid production, whic ...
22-10-2008 at 22:18
by: UncleJoe1985
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