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Tired of reporting spam
Do we have a captcha on registration or anything? All the posts I've been seeing look like random g ... |
16-10-2012 at 22:37
by: 12AX7 |
Questions related to using isolating chromium from stainless steel
Yes. The reaction is something like,
6 Cr2O3 + 8 KClO3 = 6 K2Cr2O7 + 2 KCl + 3 Cl2
So you can ... |
16-10-2012 at 22:32
by: 12AX7 |
Evolution of Black Powder Manufacture
For anyone interested, I've hosted it here: http://t3sl4.dnsdynamic.net/howard1975.pdf
Interesting ... |
16-10-2012 at 22:08
by: 12AX7 |
Sodium!
Keep in mind also the resistivity of metals generally goes way up with temperature. Copper has a ba ... |
16-10-2012 at 15:50
by: 12AX7 |
Sodium Chromate from stainless stell 18/10
Hmm, K2CrO4 has higher solubility than K2Cr2O7. Might be useful. pH swing crystallization or somet ... |
15-10-2012 at 16:16
by: 12AX7 |
Metal-metal solvation
Magnesium alone doesn't alloy with iron (indeed, molten magnesium is usually handled in iron ladles ... |
14-10-2012 at 17:21
by: 12AX7 |
Sodium Chromate from stainless stell 18/10
Yup, if there's a lot more chrome than sulfate then it's probably not going to show up.
Chromyl c ... |
14-10-2012 at 17:11
by: 12AX7 |
Success Separating Methylated Spirits?
The pyridine could be ionized with some HCl, which should keep it in the pot, no?
Tim |
14-10-2012 at 14:13
by: 12AX7 |
Sodium Chromate from stainless stell 18/10
Chromates are very strong in color and stain everything, so you could have sodium sulfate with surpr ... |
14-10-2012 at 14:09
by: 12AX7 |
Sodium Chromate from stainless stell 18/10
If you have an oxidizer such as KNO3 or KClO3 on hand, you can perform a fusion:
http://webpages.ch ... |
12-10-2012 at 19:46
by: 12AX7 |
Thoughts On Anodes
Found something quite interesting today,
http://www.dextermag.com/upload/TDK_Dexter_Ferrites_Elec ... |
7-3-2011 at 09:12
by: 12AX7 |
Electrilysis of Iron(III) Chloride?
Fe or Fe(II) will form at the cathode, the latter particularly at low voltages.
Speaking of iron ... |
5-12-2010 at 07:31
by: 12AX7 |
solvated electrons
The work potential is the removal of an electron from a sea of electrons in a neutral metal (notice ... |
22-11-2010 at 15:44
by: 12AX7 |
The short questions thread (3)
Specifically, it's not 14, but the pKa of water, which is 14.something.
If you don't mind being o ... |
22-11-2010 at 15:39
by: 12AX7 |
do-it-yourself nuclear magnetic resonance spectroscopy
Good way to handle that would be a Peltier controlled box of heavy aluminum. Two of them, one insid ... |
22-11-2010 at 15:36
by: 12AX7 |
Acid spills and polyester/cotton blend lab coats
I have a number of shirts with thin, white or black spots, where the cotton was destroyed while the ... |
20-11-2010 at 17:19
by: 12AX7 |
What's the difference between cracking and distilling?
Some other options besides iron include copper (brillo pads??), silica gel, alumina, or any of the v ... |
16-11-2010 at 20:05
by: 12AX7 |
What's the difference between cracking and distilling?
Cracking occurs at higher temperatures or harsher conditions than distillation. For instance, in th ... |
16-11-2010 at 12:01
by: 12AX7 |
NaOH dissolution fumes
[rquote=192439&tid=14845&author=blogfast25]I've often thought that very localised overheatin ... |
13-11-2010 at 11:53
by: 12AX7 |
Sucking water
http://www.google.com/search?q=sump+pump |
12-11-2010 at 12:24
by: 12AX7 |
NaOH dissolution fumes
Theory:
Suppose the NaOH grains are porous. This seems reasonable, as NaOH is generally produced ... |
12-11-2010 at 12:20
by: 12AX7 |
when is HCN gas evolved from ferrocyanide?
Oxalic acid forms a fairly stable complex with iron, so it could in principle displace the cyanide i ... |
9-11-2010 at 18:02
by: 12AX7 |
The short questions thread (3)
[rquote=192199&tid=14239&author=Sedit]
I have a question. I got a paint thinner that contai ... |
8-11-2010 at 22:17
by: 12AX7 |
Tutorial for making a miniature chlorate cell
It might help to burn the compositions in front of a white screen, to reflect the light and brighten ... |
8-11-2010 at 10:37
by: 12AX7 |
Bad Chemistry on TV
I was watching Bones the other day and saw some truely despicable chemistry presented, associated wi ... |
8-11-2010 at 10:35
by: 12AX7 |
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