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castable refractory mixtures
Rockwool can be found cheaply at ANY online hydroponics store and even some local gardening centers. ... |
20-12-2004 at 15:44
by: FrankRizzo |
Piped gas and zippo
Absolutely, it's added as a safety feature. Iso-butane is basically odorless.
You can find b ... |
17-12-2004 at 00:37
by: FrankRizzo |
Piped gas and zippo
"[u]gas[/u] they put in Zippo's"??
Normal Zippo lighters don't use a gas fuel ... |
15-12-2004 at 14:34
by: FrankRizzo |
FTP Server #2
Are we down for maintenance again? I'm getting timeouts when trying to connect. |
11-12-2004 at 20:43
by: FrankRizzo |
Sulfuric acid from CuSO4
The search engine sucks. Use google to search the site instead.
Ex. "copper sulfate sulfuri ... |
6-12-2004 at 20:18
by: FrankRizzo |
h202 concentration?
You'd want to bubble air from a common air pump (fish aquarium pump would work fine) through a ... |
29-11-2004 at 11:55
by: FrankRizzo |
h202 concentration?
[u]Dry[/u] air, specifically. |
28-11-2004 at 15:22
by: FrankRizzo |
Preparation of elemental phosphorus
I second that. Just cut a little notch out of the side of a >1982 US penny, hold it with a plier ... |
29-10-2004 at 18:10
by: FrankRizzo |
The essential oil
Hmm...what tasty beverage used to contain sassafras? If you do a bit of research, you'll find ... |
25-10-2004 at 14:14
by: FrankRizzo |
Precipitated copper powder
Chemoleo,
Do you have any corn starch in your kitchen? You can turn it into dextrin fairly easil ... |
18-10-2004 at 17:11
by: FrankRizzo |
Precipitated copper powder
What about using dissolved dextrin to create a smaller precipitate? It works for lead azide, why no ... |
17-10-2004 at 18:22
by: FrankRizzo |
Very basic question -- copper sulphate potassium nitrate
My take on his post, is that he just wants to play mad scientist and mix a little of this with a lit ... |
15-10-2004 at 18:48
by: FrankRizzo |
H2O2 by ozone -- The slow method.
It appears that corona discharge (if the energy involved is high enough) will produce NO<sub>2 ... |
1-10-2004 at 21:24
by: FrankRizzo |
Nuclear Batteries
Rev,
Actually, the report that I linked to talks about that very idea. Apparently, the effect do ... |
1-10-2004 at 20:41
by: FrankRizzo |
Nuclear Batteries
Here's some interesting reading regarding the possible future of nuclear batteries.
http://w ... |
29-9-2004 at 17:00
by: FrankRizzo |
Ion exchange resins
Ion-Exchange resins are pretty easy to find (in the US anyway). Like Tacho said, they're sold ... |
29-9-2004 at 16:15
by: FrankRizzo |
Searching the forum
Thanks for the help. |
29-9-2004 at 15:07
by: FrankRizzo |
Azides
Nitramine,
Did you ever find an archive copy of the webpage detailing extraction of NaN3 from air ... |
24-9-2004 at 21:24
by: FrankRizzo |
Searching the forum
Madscientist,
Is there any way that the forum search engine could be upgraded to include Boolean ... |
24-9-2004 at 21:20
by: FrankRizzo |
New old printer
A bit off-topic, but if you can see it on your computer screen at home it's fairly easy to repr ... |
24-9-2004 at 18:51
by: FrankRizzo |
Battery acid
What sort of container have you guys been using to concentrate battery-grade sulfuric acid? I would ... |
22-9-2004 at 14:14
by: FrankRizzo |
PbO2
Holy sh$t! You dumped the wash water down the drain?!? When the water treatment facility sees the ... |
18-9-2004 at 18:34
by: FrankRizzo |
Deuterated acetone.
Proteios:
Did you happen to read this article?
http://www.spectrum.ieee.org/WEBONLY/resource/s ... |
5-9-2004 at 14:58
by: FrankRizzo |
Crucibles and Metalcasting
Bromic,
Wouldn't that material insulate the melt?
[Edited on 4-9-2004 by FrankRizzo] |
3-9-2004 at 18:12
by: FrankRizzo |
Improvised Heating manlte
The only advantages of using an Electrothermal mantle are that there is a rod clamp on the base for ... |
30-8-2004 at 20:06
by: FrankRizzo |
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