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Concentrating H2O2
Personally, I tried with evaporating instead of boiling. I would heat it to 80 to 90 C and let it si ... |
30-3-2015 at 09:26
by: vmelkon |
How old are you
[rquote=396529&tid=61599&author=AJKOER]One way to accomplish this is to send out U2Us reques ... |
26-3-2015 at 13:16
by: vmelkon |
Why doesn't granite and water explode
What about chickens? Why don't chickens explode? |
26-3-2015 at 07:52
by: vmelkon |
Remote controlled nitration and recrystallization equipment
It would be nice to have such equipment. Do you have a 3D printer? If not, you are going to have to ... |
23-3-2015 at 11:53
by: vmelkon |
Give me some suggestions please.
[rquote=396827&tid=61785&author=ISCGora]Well yeh it is kind annoying my dad is electro techn ... |
18-3-2015 at 09:10
by: vmelkon |
color and iridescence
You mean like satin
http://en.wikipedia.org/wiki/Satin
Probably it is like the thin film effect ... |
13-3-2015 at 06:58
by: vmelkon |
Other acids than oxyacids
Thanks. It's good to know and knowing is half the battle. |
13-3-2015 at 06:51
by: vmelkon |
Other acids than oxyacids
I wasn't clear with the question. I was wondering if molecules where the O is replaced with somethin ... |
12-3-2015 at 11:28
by: vmelkon |
Other acids than oxyacids
We see HNO3, H2SO4, HClO4 often in textbooks but do other exotic acids exist?
I am thinking of Ar ... |
12-3-2015 at 08:28
by: vmelkon |
Is P2O5 dangerous
HPO3? Metaphosphoric acid is (HPO3)x. I guess it is a polymeric coumpound. Free HPO3, the equivalent ... |
11-3-2015 at 09:28
by: vmelkon |
Tin Refining/Purification
I think certain ornaments are made of pure tin. I have one at home but I never tested it to see what ... |
20-2-2015 at 04:07
by: vmelkon |
How old are you
[rquote=393220&tid=61599&author=nezza]Where's 50-60 ?. That's a giveaway.[/rquote]
I don' ... |
19-2-2015 at 12:14
by: vmelkon |
How old are you
|
18-2-2015 at 10:38
by: vmelkon |
Sodium silicate solution
R just means "the rest". Usually, this is a chain of carbons. It could even be a phenol group.
You ... |
17-2-2015 at 11:12
by: vmelkon |
Sodium silicate solution
Solid SiO2 is a network solid. SiO2 is just a generic formula.
The bonds between Si and O are singl ... |
16-2-2015 at 09:50
by: vmelkon |
Production of salts/compounds with electrolysis
This is the link to the patent
Sulfurless electrolytic concentration of aqueous sulfuric acid solut ... |
6-2-2015 at 20:04
by: vmelkon |
Production of salts/compounds with electrolysis
1. Well, a lot of people talk about making NaOH from NaCl. Lots of threads about it.
2. NaClO from ... |
6-2-2015 at 08:38
by: vmelkon |
amalgam?
Reshape metal without heating it?
I guess you imagine that it will be a semi-solid.
I have limited ... |
5-2-2015 at 09:06
by: vmelkon |
Ampoule construction!
[rquote=390411&tid=61438&author=DeIonizedPlasma]I have heard of using test tubes (These seem ... |
4-2-2015 at 03:20
by: vmelkon |
Benzyl Alcohol Extraction
[rquote=389930&tid=61399&author=Antiswat]otherwise i have seen a paintcan with metal tube at ... |
3-2-2015 at 10:54
by: vmelkon |
Ammonium Chloride from Urea
If you are interested in using urea to make NH3, yes it is possible by heating in the 150 to 180 C r ... |
2-2-2015 at 14:08
by: vmelkon |
want transparent container for molten NaOH
Propanone dissolves NaI and KI. Perhaps you can try to electrolyse this but I have a feeling that it ... |
19-1-2015 at 21:05
by: vmelkon |
Lazy question : Mepivacaine
Mepivacaine is also called
(RS)-N-(2,6-dimethylphenyl)-1-methyl-piperidine-2-carboxamide
R and ... |
13-1-2015 at 07:21
by: vmelkon |
Purifying/increasing % HCl in Hardware store Acid
[rquote=387277&tid=61142&author=careysub]
Since ~31% is above the azeotropic concentration ... |
13-1-2015 at 07:18
by: vmelkon |
Purifying/increasing % HCl in Hardware store Acid
Some look a little green presumably due to Fe(2+). Some of them are clear.
If your store sells d ... |
11-1-2015 at 13:47
by: vmelkon |
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