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Al/Hg workup: IPA/dilute HCl solubility?
.........Scenario: Amine (from Al/Hg reduction) solved in IPA. Will the addition of dilute hydrochlo ...
16-8-2005 at 22:54
by: bio2
Al/Hg workup: IPA/dilute HCl solubility?
If based with enough 20% NaOH the density goes high enough and there is enough water to hold the IPA ...
16-8-2005 at 03:47
by: bio2
DIY glassware
My neighbor saves me these graduated 500ml
PP square containers that infant electrolyte comes in. ...
16-8-2005 at 03:06
by: bio2
Switching rcving flask in vacuum distillation
Yes, that is the most simple proper way to do it.

I would add however that a very fine needle val ...
15-8-2005 at 23:02
by: bio2
changing flasks under vacuum
This is how you do it with nothing special only due caution. Maybe you should practice with water if ...
15-8-2005 at 04:05
by: bio2
DIY glassware
Make it from plastic! Depending on what you will do with it polypropylene is good for many boiling s ...
15-8-2005 at 00:48
by: bio2
TeflonĀ®-S One Coat
The Teflon S #5 is the one you want

http://www.dupont.com/teflon/coatings/basic_types.html

The ...
14-8-2005 at 23:44
by: bio2
PTFE (Teflon) Sintering, coating, forming, and its decomposition.
Not near hot enough as the plastic must be at the glass transition temp (goes clear just before it m ...
13-8-2005 at 23:58
by: bio2
Cracked Glassware
MAPP gas gets hot enough and is available in the little disposable cylinders.

Use a Turbo Torch t ...
11-8-2005 at 22:07
by: bio2
Sodium Ethoxide and anhydrous EtOH
.......solubillity of metal alkoxides in water is of rather limited relevance............

I' ...
10-8-2005 at 14:35
by: bio2
Sodium Ethoxide and anhydrous EtOH
.......The Mg and Al alcoholates are usually made by refluxing for a long time with the help of Hg s ...
10-8-2005 at 12:59
by: bio2
Manganese Acetate...
.......I might just take some KMnO4 and react it with hexamine and proceed from there. .......

Th ...
7-8-2005 at 21:37
by: bio2
Cracked Glassware
I've had some success with smaller glassware (borosilicate) with stars and hairline cracks by p ...
6-8-2005 at 22:57
by: bio2
Manganese Acetate...
Sure; it can be dried over many things in a vacuum dessicator. Depends on how long you want to wait ...
5-8-2005 at 20:09
by: bio2
Manganese Acetate...
Mn elemental must be pretty pricey compared to the salts. Also might take a year to dissolve the shi ...
4-8-2005 at 23:02
by: bio2
Advice on Pond Pump for aspirator setup?
Demax;

These pumps for most aspirators are definetly overkill. The cost to run and the noise wou ...
4-8-2005 at 22:47
by: bio2
Al alloys
Al foil is series 1000 alloy which is 99+% depending on the particular alloy.
http://www.matweb.com ...
4-8-2005 at 16:12
by: bio2
How is amalgamated Al supposed to look like?
.........Bio, I don't think they add silicon or iron to aluminum for use in foil production. .. ...
3-8-2005 at 22:17
by: bio2
How is amalgamated Al supposed to look like?
In the picture it seems the Al is folded too tightly. Both the amalgam solution and the substrate be ...
2-8-2005 at 13:46
by: bio2
How is amalgamated Al supposed to look like?
........ How long does it usually take to amalgamate for example 20g of Aluminium? SWIM boiled the A ...
2-8-2005 at 13:40
by: bio2
spilt water on heating mantle
If only water, place under a heat lamp a few hours until dry. Partly dissasemble if required to vent ...
1-8-2005 at 23:39
by: bio2
How to dry NaNO2?
What is the preferred method of drying NaNO2?

Will one of the inorganic guru's here please ...
1-8-2005 at 15:50
by: bio2
Destination for chem ordering?
.......... Excise tax license - I have applied for an EIN and have a Doing Business As name ....

...
31-7-2005 at 08:48
by: bio2
PTFE (Teflon) Sintering, coating, forming, and its decomposition.
Virgin in this context means no re-cycled content. It has nothing to do with purity, color or anythi ...
31-7-2005 at 03:44
by: bio2
Advice on Pond Pump for aspirator setup?
I think I used 25 or 30PSI at their flow rate to size the pump. Pump only draws 2.3amps@120v and is ...
30-7-2005 at 22:31
by: bio2
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