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Practical question?
Well what I'm seeing is a purple-black residue/oxide
on the aluminum.
Also as an insoluble sedim ... |
28-11-2006 at 17:20
by: AllanD |
Practical question?
While stripping oxide corrosion from an aluminum casting
With HCl a purple-black colored oxide was ... |
28-11-2006 at 15:59
by: AllanD |
VP racing fuel
I wouldn't lose sleep over it contaminating the exhaust system,
however on any modern engine (post ... |
27-11-2006 at 14:18
by: AllanD |
lead compound in my radiator corroded
I'll admit right off I don't understand it, but I know from measurement that under some circumstance ... |
22-7-2006 at 13:57
by: AllanD |
is hydrofluoric acid good cleaner for aluminum? what metal is it compatible?
Commonest consumer use of HF is as "rust stain remover"
Even dilute I still don't like working wi ... |
19-7-2006 at 15:44
by: AllanD |
Unlabelled jar with metal.
I once found an unlabeled jar of granulated metal in the lab
when cleaning, my boss said "chuck it" ... |
19-7-2006 at 15:40
by: AllanD |
is hydrofluoric acid good cleaner for aluminum? what metal is it compatible?
define "clean".
What exactly are you trying to do?
HF is dangerous stuff because of the bioche ... |
17-7-2006 at 18:06
by: AllanD |
What form of Calcium sulfate?
Well, The CaCO3 I added to react with the H2SO3/SO2 isn't very soluble in water, and CaSO4 even les ... |
17-7-2006 at 14:48
by: AllanD |
nichrome in vacuum
Have you considered using "glow rod" heating elements?
They are form of Silicon Carbide commonly ... |
17-7-2006 at 13:19
by: AllanD |
What form of Calcium sulfate?
Well, I'm not asking HOW to remove SO2 from 95%EtOH, I've got a process that works....
I'm asking ... |
17-7-2006 at 12:54
by: AllanD |
What is "Soda Snow"?
I think we've found a winner....
Now to find someone LOCAL who sells it in 5gallon pails
or ev ... |
17-7-2006 at 12:21
by: AllanD |
Aluminum Shavings
[quote][i]Originally posted by 4s2[/i]
I was cleaning out my truck the other day when I stubled upo ... |
17-7-2006 at 12:08
by: AllanD |
Electrolysis of Aqueous Sodium Chloride
Both Sodium Hypochlorite and Sodium Chlorate
are produced commercially by electrolysis of solutions ... |
17-7-2006 at 11:10
by: AllanD |
lead compound in my radiator corroded
Typical solder mixes for brass radiators do not contain Zn, but Sn.
And the corrosion of the sold ... |
17-7-2006 at 10:12
by: AllanD |
What form of Calcium sulfate?
That IS the starting point, an EtOH/H2O solution (a distillate)
that was contaminated with dissolve ... |
17-7-2006 at 09:20
by: AllanD |
What form of Calcium sulfate?
Ok, in a quantity of EtOH and H2O (~90% EtOH) with a distinct smell of sulfur dioxide...
Added a ... |
17-7-2006 at 09:01
by: AllanD |
Sodium Metabisulphite
In tablet form it is generally refered to with the british name of "Campden Tablets" and the usual b ... |
17-7-2006 at 08:35
by: AllanD |
What is "Soda Snow"?
[quote][i]Originally posted by YT2095[/i]
http://groups.yahoo.com/group/bathtubbrewers/message/1020 ... |
17-7-2006 at 08:18
by: AllanD |
What is "Soda Snow"?
Found a 5gallon tub of the stuff.
Fine white needle like crystals.
Makes the hands feel slight ... |
16-7-2006 at 21:21
by: AllanD |
reaction between sodium and chloromethanes
Carbon tetrachloride and sodium could actually be dangerous
Though I haven't tried this myself an ... |
16-7-2006 at 20:25
by: AllanD |
Sodium Metabisulphite
Sodium Meta-bisulfite is most commonly used to clean winemaking equipment (most commonly cleaning wo ... |
16-7-2006 at 20:17
by: AllanD |
catalases for:H2O2->O2+H2O
[quote][i]Originally posted by my nootloss[/i]
Steps to getting O2
1 Go to the 99-cent store
... |
16-7-2006 at 20:03
by: AllanD |
WHAT IS O P H O R I T E ?
Actually not so much cherry bombs as the "booster" or "pre-ignitor" for Thermite.
AllanD |
16-7-2006 at 19:51
by: AllanD |
