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Overhead Stirring
Today I'm making "dry" ethanol from Everclear using Vogel's CaO drying then polishing with 3A mole s ...
27-5-2017 at 14:00
by: Magpie
Asbestos
I remember using loose asbestos fibers as a filtering medium in my quantitative analysis class in co ...
25-5-2017 at 19:30
by: Magpie
Filter paper from commonly available materials?
Old nylon stockings work wonderfully for straining old paint. I've never tried them in my lab, howe ...
25-5-2017 at 13:54
by: Magpie
Downs cell material help
Downs' patent specifies refractory lined iron.

You can find compatible materials for dry chlorine ...
25-5-2017 at 13:03
by: Magpie
Creep/Crawl of salts - up dish wall - as liquid evaporates
[rquote=484065&tid=74292&author=MrHomeScientist]
I was quite sure it is called "creep" but ...
25-5-2017 at 12:35
by: Magpie
Making a really HOT electric resistance furnace
[rquote=483245&tid=70334&author=yobbo II]

I ordered a zirconium oxide rod from ebay (abou ...
25-5-2017 at 12:15
by: Magpie
White phosphorus to red?
This may be helpful (from [i]Ullmann's Encyclopedia of Industrial Chemistry[/i]):

"[b]5. Producti ...
25-5-2017 at 08:23
by: Magpie
How much have you spent on your lab?
I built my hood early on at an estimate of $2000 right after I retired.
I made a rough estimate of ...
23-5-2017 at 09:12
by: Magpie
Celite filter aid = diatomaceous earth (DE)
FYI I bought my Celite at a swimming pool supply store. Only problem is I had to buy a 25 lb bag. ...
21-5-2017 at 09:06
by: Magpie
Filtering speed - same filter but poor results with vacuum pump
I suggest you put down a 1/8" bed of diatomaceous earth, such as Celite. This is put down in a slur ...
20-5-2017 at 13:48
by: Magpie
Overhead Stirring
I have used the ptfe stirring assembly that you show often. It is generally satisfactory but as JJ ...
18-5-2017 at 08:11
by: Magpie
Malachite and acetic acid.
This "Crystal Growing" thread will give you a wealth of information:

https://www.sciencemadness.o ...
17-5-2017 at 11:57
by: Magpie
Mold killer for air conditiong fan blades & directional slats - keep home healthy!
[rquote=483403&tid=74028&author=XeonTheMGPony]
over 80% of dust is skin dander and molds gr ...
17-5-2017 at 10:24
by: Magpie
Preparation of Copper (I) oxide from copper?
I checked my inventory and what I have is CuO. I know I have seen Cu2O (a red powder) most likely w ...
16-5-2017 at 10:48
by: Magpie
Preparation of Copper (I) oxide from copper?
Brauer (forum library) has some methods. I know I've made it because I have some in my cabinet. I ...
16-5-2017 at 10:20
by: Magpie
eBay glassware seller has no idea what to call his listings, everything is a "beaker"
Some of those kits have angle shaped connectors with female tapered glass fittings. The end is close ...
15-5-2017 at 10:02
by: Magpie
General Question about heating mantles
I have these mantle sizes: a 100 and a 500ml, and a flattened 500ml. For rbf's (flasks) I have 25, ...
13-5-2017 at 07:08
by: Magpie
Camphor
[rquote=483044&tid=74000&author=PirateDocBrown]
Anyone ever try something similar?[/rquote] ...
12-5-2017 at 19:35
by: Magpie
General Question about heating mantles
That looks good to me. I don't think a larger flask would fit in that space.

I've used mantles l ...
12-5-2017 at 19:23
by: Magpie
Is paraformaldehyde and formaldehyde interchangeable?
How sensitive is the synthesis to water? If you look at the formula for paraformaldehyde you'll see ...
11-5-2017 at 18:09
by: Magpie
Preparation of elemental phosphorus
Commercial furnaces use coke (mostly carbon) rather than coal. Use of coal could produce all kinds o ...
11-5-2017 at 11:51
by: Magpie
Preparation of elemental phosphorus
Very interesting experiment.:o

Where's all the oxygen for the CO2 coming from - the phosphate? C ...
11-5-2017 at 08:44
by: Magpie
Air rifle pump for pressurizing catalytic hydrogenation vessel?
[rquote=482873&tid=73287&author=cabal]

This sounds like a cool way to do some DIY hydroge ...
10-5-2017 at 07:34
by: Magpie
Maleic acid
I took 8g of my recently made maleic anhydride and converted it to maleic acid by hydrating it using ...
3-5-2017 at 16:26
by: Magpie
Things I Will Never Make
I agree that handling phosphine would be a greater hazard but with a good hood it would be manageabl ...
2-5-2017 at 14:10
by: Magpie
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