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Phosphoric Acid from Baking Powder?
I'm curious if it would be possible to make phosphoric acid, starting with baking powder.
In ... |
26-12-2004 at 15:55
by: hodges |
Spinthariscope
The phosphor is available from at least two sources. United Nuclear at $20 for 5 grams. Then there ... |
26-12-2004 at 08:58
by: hodges |
Spinthariscope
I bought some commercial ZnS powder designed for detecting alpha particles. It glows light blue, ab ... |
25-12-2004 at 07:27
by: hodges |
Question about batteries
Most batteries I've seen that are labeled "heavy duty" are the old zinc-carbon cells ... |
16-12-2004 at 16:03
by: hodges |
Not just another ZnS question.
I had a modest amount of success making glowing sulfides. I ignited Zn powder + S powder, with vari ... |
11-12-2004 at 17:15
by: hodges |
H2S from aluminum and sulfur?
I often use a mixture of powdered aluminum and powdered sulfur to ignite thermite. It is a hot, som ... |
11-12-2004 at 16:55
by: hodges |
Spinthariscope
This paint was definitely ZnS based given that it only holds a glow for an hour or two maximum after ... |
11-12-2004 at 16:46
by: hodges |
Sodium chlorate experience required....
If you search Google Groups for "chlorate electrolysis" you will find quite a few examples ... |
7-12-2004 at 14:53
by: hodges |
Exotic thermites & analogs
Are you sure it wasn't PbO2 that reacts explosively with Al vs. PbO? |
20-11-2004 at 14:42
by: hodges |
Spinthariscope
Its surprising that the flashes were so hard to see. I would have suspected based on the counts I g ... |
19-11-2004 at 15:55
by: hodges |
What's the big deal with alpha and beta sources?
According to the United Nuclear web site, the only alpha source legal to possess in the US without a ... |
18-11-2004 at 15:49
by: hodges |
Spinthariscope
I have some glow-in-the-dark paint and decided to try to make a spinthariscope. I painted some of t ... |
18-11-2004 at 15:41
by: hodges |
Not just another ZnS question.
Thanks. Informative article. I see it is not at all that trivial to "activate" zinc sulf ... |
18-11-2004 at 15:32
by: hodges |
Not just another ZnS question.
Can someone tell me where on the FTP to look for this information? I would like to use zinc sulfide ... |
16-11-2004 at 16:11
by: hodges |
Fun with silicon
I've heard that if you attach wires to a piece of silicon (using aligator clips, for example) i ... |
11-11-2004 at 15:18
by: hodges |
KCLO3 by way of H2O + KCL
In theory, I believe you should be able to use potassium nitrate. Trouble is, potassium nitrate its ... |
10-11-2004 at 14:55
by: hodges |
KCLO3 by way of H2O + KCL
I see several problems here, Mark.
1. The reaction should not "stop fizzing". Were y ... |
9-11-2004 at 15:29
by: hodges |
Taking a picture: balloon explosion
I would think that the balloon would block the UV light from the flash.
I have seen notes on a ch ... |
7-11-2004 at 08:42
by: hodges |
distilled water
Water distillers are around $100 on E-Bay. I have been using one for almost ten years because I don ... |
4-11-2004 at 15:51
by: hodges |
Acetone + NaOH --> ?
I read that acetone is not stable under basic conditions. What would the product be if a strong bas ... |
28-10-2004 at 14:18
by: hodges |
Permanganate
I've made it before using MnO2, NaOH, and KNO3. I heated these on low heat (using a candle to ... |
20-10-2004 at 15:18
by: hodges |
Bromine Source and Synthesis
I wonder if KBrO3 can be make via electrolysis of NaBr like KClO3 can be made via electrolysis of Na ... |
20-10-2004 at 15:10
by: hodges |
inert metals with conc. acids
Well the electrode potentials of metals are not exact - the values are at a specific hydrogen concen ... |
12-10-2004 at 15:20
by: hodges |
Bromine Source and Synthesis
I now get the feeling that, for whatever reason, I never had very much bromine to start with. For o ... |
8-10-2004 at 14:47
by: hodges |
Bromine Source and Synthesis
I re-tried my experiment using the same quantities of reagents (4g of NaBr, 5ml of muriatic acid, an ... |
7-10-2004 at 15:26
by: hodges |
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