| Search |
| [Next Page] |
pH indicator for portland cement.
So?
I'ts not as if anyone said it did.
Your assertion was still bollocks and that trick to get a ... |
26-9-2006 at 21:57
by: unionised |
pH indicator for portland cement.
"Actually it needs to lose 2 protons to become colored"
Bollocks!
Fermentation will remove the sug ... |
26-9-2006 at 09:39
by: unionised |
Really neat to see a super pure sample...
For the benefit of those with a lot more money than sense, copper is available at very high purity 9 ... |
25-9-2006 at 10:10
by: unionised |
Fehlings Solution
"I tested some fructose in a 5% aqueous solution with Fehling's test. D-fructose is a ketohexose whi ... |
25-9-2006 at 09:50
by: unionised |
pH indicator for portland cement.
In very alkaline conditions phenolphthalein loses another proton to give a doubly charged ion that i ... |
25-9-2006 at 09:30
by: unionised |
Diacetyl
The biacetyl is present in the vinegar to begin with but you can't smell it because of the acetic ac ... |
23-9-2006 at 11:17
by: unionised |
Nitrogen inflated tires !
We use nitrogen generators at work that rely on exactly that effect.
I was just pointing out that ... |
21-9-2006 at 11:48
by: unionised |
Toluene saponification?
"well the Toluene is indeed industrial, it came in a huge metal can marked Toluene"
"with the Green ... |
20-9-2006 at 10:13
by: unionised |
Sulfate curiosity
There's another way to look at this. Use a different solvent rather than trying to find a salt with ... |
19-9-2006 at 11:09
by: unionised |
Nitrogen inflated tires !
Have tyres changed since 1968? |
18-9-2006 at 22:02
by: unionised |
Inducing mutations
Actually, yeast is quite well adapted to the presence of H2O2 because it catalyses the decomposition ... |
18-9-2006 at 11:59
by: unionised |
Perusing wireless intercoms for remote Ignition?
"I'll have at least 500 m of distance to the nearest settlements that could emit a random signal"
L ... |
18-9-2006 at 11:54
by: unionised |
Acetone fluorohydrin
NaF in acetone didn't kill these people- on the other hand it didn't seem to do anything very intere ... |
18-9-2006 at 11:48
by: unionised |
de-aromatized Fuels
IIRC DMSO is also used as an extraction solvent. |
18-9-2006 at 11:38
by: unionised |
Nitrogen inflated tires !
Does anyone remember that the original website cited said this
"Unlike oxygen molecules, which are ... |
18-9-2006 at 11:11
by: unionised |
Chemical resistance of materials
"need a trustable and accurate source for chemical resistance charts. "
Sorry, but the only way to ... |
18-9-2006 at 10:06
by: unionised |
Too much radiation?
To a rough aproximation. because of the potassium you contain, you are about as radioactive as a gra ... |
17-9-2006 at 12:00
by: unionised |
Perusing wireless intercoms for remote Ignition?
Normally, a lightning strike has to be quite close to the wiring for an explosive's detonator to set ... |
17-9-2006 at 11:43
by: unionised |
Anhydrous AlCl3??
Whether the chemicals he hopes to produce are drugs or not I presume that, at some stage, there woul ... |
17-9-2006 at 11:19
by: unionised |
Nitrogen inflated tires !
"Sperberg has probably had more papers published in a journal (2) than anyone here."
I doubt that.
... |
17-9-2006 at 11:14
by: unionised |
de-aromatized Fuels
Q "How can I get de-aromatized Diesel oil using simple method? "
A Buy it. |
17-9-2006 at 01:57
by: unionised |
Wanna be invisible
Are you sure that isn't the April 1st issue?
These "metamaterials" where the light travels through ... |
16-9-2006 at 09:26
by: unionised |
Acid Strengths - Sulfuric VS Hydrochloric
"you cannot measure the strength of strong acids in water because they completely dissociate."
So ... |
13-9-2006 at 11:23
by: unionised |
Anhydrous AlCl3??
The product will be pretty pure and the impurities probably won't matter much for most things. |
11-9-2006 at 12:41
by: unionised |
Anhydrous AlCl3??
FeCl3 and SiCl4 are reasonable substitues for AlCl3 in many cases (at least if you are just using it ... |
11-9-2006 at 10:46
by: unionised |
| [Next Page] |
