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Food grade or reagent H2O2
I prefer the 35% food grade so I can mix it with my tooth whitening gel for a faster result. |
28-9-2010 at 09:00
by: cbfull |
Food grade or reagent H2O2
To be more exact, drug store variety as well as reagent peroxide contain stabilizers to increase she ... |
28-9-2010 at 01:13
by: cbfull |
cork/rubber bung hole makers
Most of the textbooks I've seen recommend using glycerine as a lubricant. I find it to be lacking i ... |
14-9-2009 at 10:49
by: cbfull |
Anyone have Practical Experience with Polymer Synthesis?
I spent 8 years synthesizing various resins. Phenolics, acrylates, polyesters, and occasionally the ... |
11-5-2009 at 03:30
by: cbfull |
DIY Sub Zero C freezer?
That is a very common way to make a sub zero bath, we do it all the time at work to trap moisture an ... |
23-6-2008 at 15:48
by: cbfull |
Mortar And Pestle Composition
Hah! I was waiting for someone to mention the "Diamonite" or sintered sapphire mortar and pestle. ... |
16-6-2008 at 18:29
by: cbfull |
Obtaining pure Hydrogen Peroxide
Don't forget that if the peroxide doesn't decompose, it's going to stay put while the water just vap ... |
16-6-2008 at 18:09
by: cbfull |
DIY Sub Zero C freezer?
This topic really jumped out at me, because I have been trying to tackle a very similar problem with ... |
16-6-2008 at 17:59
by: cbfull |
Drying solvents with Al.
What about passing the vapor phase over a column of silica gel, or even drierite? Silica gel can ha ... |
20-12-2007 at 11:04
by: cbfull |
Mozzie alert
One thing that I have found useful [i]indoors[/i] is an outdoor electric bug zapper.
Those things ... |
19-8-2007 at 13:22
by: cbfull |
Chemoluminescence
I researched this subject once before to find out if luminol is actually used in glowsticks, and if ... |
5-8-2007 at 05:42
by: cbfull |
Anything fun to do with Aluminum Chloride
If you make a 20% solution in anhydrous ethanol you have a prescription strength antiperspirant. |
2-8-2007 at 19:03
by: cbfull |
Sodium Hydrogen Carbonate vs. Sodium Bicarb
I sure did, thanks for catching that! I'll correct it just to avoid confusion. |
2-8-2007 at 15:34
by: cbfull |
Sodium Hydrogen Carbonate vs. Sodium Bicarb
Xenoid is correct.
Another way of looking at it is to consider CO2 dissolved in water, which form ... |
31-7-2007 at 20:23
by: cbfull |
crystallization and dry reagents
I think there are two very different types of HCl crystallization being discussed here in the same c ... |
31-12-2006 at 02:19
by: cbfull |
Isolation of primary amines as HCL salt problem
From what I understand, the water introduced by the aqueous HCl quickly reduces the solubility of th ... |
10-12-2006 at 11:59
by: cbfull |
crystallization and dry reagents
If you are sure that they are talking about 37% aqueous, then I don't know how to answer. But most ... |
9-12-2006 at 00:20
by: cbfull |
Concentrate ethanol?
In the past when I was researching the subject the suggested reagent was calcium oxide (also called ... |
8-12-2006 at 23:56
by: cbfull |
NaHSO3
Not sure if I remember this correctly, but I think I remember seeing a toilet bowl cleaner having so ... |
30-11-2006 at 14:38
by: cbfull |
Induction heating
I have a bit of experience with this type of circuit, mainly the self-tuning push-pull, half-bridge ... |
29-11-2006 at 17:53
by: cbfull |
Problems with dow high vacuum grease and distillation...
There is a silicone solvent you can buy that takes the stuff right off. It's not cheap, but it stri ... |
4-10-2006 at 13:17
by: cbfull |
"dry" acetone
Can anyone tell me what kind of stuff would need acetone to be dry?
We have HPLC grade acetone at ... |
29-6-2006 at 14:28
by: cbfull |
"dry" acetone
This is an interesting thread. I have read from some sources that acetone is tricky to dry, and ano ... |
28-6-2006 at 14:39
by: cbfull |
hydrogen from electrolysis
[quote][i]Originally posted by tommyatomic[/i]
In modern electronic fuel-injected engines the best ... |
26-6-2006 at 14:30
by: cbfull |
Superconductors and magnetism
Good point. I actually stated that in a very weird way. It makes perfect sense that string theory ... |
25-6-2006 at 18:42
by: cbfull |
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