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Trouble finding tungsten.
Aren't light bulb filaments mostly tungsten? Of course, it would take a lot of them to get 500 gram ... |
19-4-2006 at 18:01
by: hodges |
Silver / Copper Nitride
Thanks Phel.
I assume "Very sol in w" means "Very soluable in water". If so, this is going to ... |
19-4-2006 at 17:45
by: hodges |
Fulminating Gold
I purchased 1g of gold bullion on E-Bay. I tested the purity by attempting to dissolve in 70% HNO3. ... |
18-4-2006 at 13:39
by: hodges |
Sulfur from SO42-...maybe?
If you add an iodine salt such as KI to concentrated H2SO4 the H2SO4 will be reduced to various prod ... |
27-3-2006 at 18:58
by: hodges |
Crystal Growing
Here is another interesting kind of crystal to grow:
http://www.chymist.com/Crystal%20tree.pdf |
22-3-2006 at 19:47
by: hodges |
Silver / Copper Nitride
I don't know the exact composition, but would suspect that there is more than just nigrogen involved ... |
19-3-2006 at 19:28
by: hodges |
Reaction between nitrite and cyanide?
Woelen, are you sure of the purity of your HCl? I find in other reactions that my HCl (from muriati ... |
19-3-2006 at 19:06
by: hodges |
A Slight Mishap
Just got around to posting these. About a month ago I made some silver nitride. When I started to ... |
17-3-2006 at 15:06
by: hodges |
Chemistry Demo Videos
I ran across a site which appears to be fairly new and has a few chemical demonstration videos, as w ... |
7-3-2006 at 19:11
by: hodges |
How to Measure CO2 Concentration in Air?
[quote][i]Originally posted by S.C. Wack[/i]
Fairly accurate chemical method article on hand: [/quo ... |
25-2-2006 at 09:06
by: hodges |
Bromine Source and Synthesis
[quote][i]Originally posted by rogue chemist[/i]
"Causes irritation to the gastrointestinal tract. ... |
24-2-2006 at 15:19
by: hodges |
How to Measure CO2 Concentration in Air?
Does anyone have any ideas how I could measure, to within a few percent accuracy, the amount of CO2 ... |
24-2-2006 at 15:15
by: hodges |
How will digital photography affect amateur chemistry?
There is presently some degree of demand by hobbyists and artists for the old methods. See for exam ... |
29-1-2006 at 10:54
by: hodges |
Update
Well, the NH4ClO3 never ignited, and it now appears to be mostly converted to something more stable. ... |
31-12-2005 at 19:51
by: hodges |
Predicting Hydrolysis
Thanks for the replies; this makes sense. |
27-12-2005 at 15:35
by: hodges |
Anyone have experience with Mastech power supplies?
I'm not positive, but because of its heavy weight I doubt it is switchmode. The relays apparently s ... |
26-12-2005 at 14:58
by: hodges |
Suspicious company
Back when I was in high school RP was not watched, and I had some. I remember it was in a small shi ... |
26-12-2005 at 14:50
by: hodges |
Predicting Hydrolysis
Why is it that (for example) aluminum sulfide hydrolyses in water to form aluminum hydroxide and hyd ... |
26-12-2005 at 14:30
by: hodges |
Mixing Chlorates With Ammonium Compounds
[quote][i]Originally posted by Swany[/i]
Interesting on the timetables of the decomposition of NH4 ... |
26-12-2005 at 14:24
by: hodges |
Mixing Chlorates With Ammonium Compounds
I presently have around 0.8g of NH4ClO3 sitting in a small plastic cup. It dried from solution two ... |
25-12-2005 at 18:29
by: hodges |
Anyone have experience with Mastech power supplies?
Depends on what you are using it for. I have a Mastech HY3005D power supply which I have had for ab ... |
25-12-2005 at 17:31
by: hodges |
12.5% NAOCl from Grocery Store!
I checked again recently and there was a very slight pressure buildup of pressure in the bottle. I ... |
25-12-2005 at 16:19
by: hodges |
Mixing Chlorates With Ammonium Compounds
I know ammonium chlorate is very unstable but I'm not sure its that powerful of an explosive. I've ... |
20-12-2005 at 15:59
by: hodges |
12.5% NAOCl from Grocery Store!
[quote][i]Originally posted by hodges[/i]
I found calcium hypochlorite (solid) at the same grocery ... |
19-12-2005 at 19:29
by: hodges |
Iron Photochemistry
I believe you should be able to user iron (II) chloride instead of iron (II) sulfate. However, you ... |
23-10-2005 at 17:35
by: hodges |
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