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HEXAVALENT CHROMIUM
heptavalent manganese can also be toxic |
3-12-2011 at 16:03
by: AndersHoveland |
Allotropes of Nitrogen
At least three different allotropes of elemental nitrogen exist, the latter two [b]do not contain th ... |
3-12-2011 at 15:08
by: AndersHoveland |
Bromine production from BCDMH
[rquote=229106&tid=18163&author=devongrrl]
Has anyone tried the reduction of 1-bromo 3-chlo ... |
3-12-2011 at 14:04
by: AndersHoveland |
HEXAVALENT CHROMIUM
There was also a much publicized incident in California involving hexavalent chromium contamination
... |
3-12-2011 at 14:00
by: AndersHoveland |
Producing Hydrogen by partial oxidation
I am not sure I believe it!
Hydrogen gas can be liberated by partial oxidation of formaldehyde usin ... |
3-12-2011 at 13:46
by: AndersHoveland |
4 Students Burned At Maple Grove Junior High
Is it possible that, in the presence of air, methanol could be slowly oxidized into some some form o ... |
3-12-2011 at 12:48
by: AndersHoveland |
What will be the reaction of phenol added to mixture of aqueous NaNO2 and Conc HCl
The reaction of benzene with nitrogen dioxide, at 25degC, produces nitrobenzene as essentially the o ... |
3-12-2011 at 02:02
by: AndersHoveland |
Hexanitrohexaazaisowurtzitane
[rquote=229032&tid=18018&author=killswitch]this PDF from China Lake offers some interesting ... |
3-12-2011 at 01:40
by: AndersHoveland |
obscure chemistry of phospine and hypophosphite
[quote]
Precipitated cuprous oxide [Cu2O] is acted on rapidly by phosphine at ordinary temperature, ... |
2-12-2011 at 11:11
by: AndersHoveland |
obscure chemistry of phospine and hypophosphite
[rquote=228976&tid=18148&author=woelen]I also know of the yellow and reddish stuff, which se ... |
2-12-2011 at 03:38
by: AndersHoveland |
Ethyl Perchlorate
Below are the structures for N-perchlorylpiperidine, N-perchloryldimethylamine, N-perchlorylpropylam ... |
1-12-2011 at 20:11
by: AndersHoveland |
obscure chemistry of phospine and hypophosphite
[quote]
"...it is known that phosphorous acid, reduced with nascent hydrogen*, yields phosphine and ... |
1-12-2011 at 19:27
by: AndersHoveland |
Preparation of elemental phosphorus
Aqueous alkali (KOH) dissolves red phopshorous, with the formation of phosphine. Interestingly, when ... |
30-11-2011 at 15:53
by: AndersHoveland |
dissolving gold in nitric/sulfuric acids
[quote]
The use of bromine in the extraction of gold was proposed by R. Wagner (Dingler's Journal, ... |
30-11-2011 at 15:30
by: AndersHoveland |
Preparation of elemental phosphorus
[rquote=228814&tid=65&author=shannon dove]Let me explain this idea better.
Electrodes for t ... |
30-11-2011 at 15:09
by: AndersHoveland |
Chloroacetic Acid from TCCA and S/I2 Catalyst?
I thought I read somewhere that chlorine will react with a mix of acetic anhydride and glacial aceti ... |
30-11-2011 at 13:57
by: AndersHoveland |
The Restriction of a Chemical Element
[rquote=228658&tid=18119&author=vulture]I'm getting really tired of these borderline conspir ... |
29-11-2011 at 16:41
by: AndersHoveland |
Nitromethane synthesis
[rquote=228781&tid=1505&author=UnintentionalChaos]http://www.orgsyn.org/orgsyn/orgsyn/prepCo ... |
29-11-2011 at 16:15
by: AndersHoveland |
Nitromethane synthesis
I suspect that bubbling methane into >70% conc. red fuming nitric acid (HNO3 + NO2) would yield s ... |
29-11-2011 at 15:32
by: AndersHoveland |
perchlorylamide
With ammonia, FClO3 forms a perchlorylamide: FClO3 + NH3 = ClO3(NH2) + HF. This has acidic protons a ... |
29-11-2011 at 15:16
by: AndersHoveland |
Exotic thermites & analogs
Al/CuO thermite releases roughly 5.2 kcal/cm3 or 1.2 kcal/g.
Al/KClO4 [flash powder] releases rough ... |
29-11-2011 at 14:45
by: AndersHoveland |
Nitromethane synthesis
I had an idea to do a kolbe electrolysis on a solution of acetic acid while bubbling in nitrogen dio ... |
29-11-2011 at 11:41
by: AndersHoveland |
Stabilization of organic peroxides
If you are asking how to make organic peroxide explosives less sensitive, my answer would be that th ... |
29-11-2011 at 11:35
by: AndersHoveland |
Ethyl Perchlorate
[rquote=228681&tid=1081&author=PHILOU Zrealone]
but ternary alcohol allow better stability ... |
29-11-2011 at 10:49
by: AndersHoveland |
what energetic materials （based on CNHOF, NO metal） is its density more than 2.0 g/cm3?
There is another bicyclic nitramine explosive, with a similar structure between TNGU and tetranitrog ... |
29-11-2011 at 10:28
by: AndersHoveland |
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