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Red Phosphorus Source
[rquote=628817&tid=154598&author=G-Coupled][rquote=628790&tid=154598&author=PirateDo ...
31-12-2019 at 06:52
by: PirateDocBrown
Red Phosphorus Source
[rquote=628784&tid=154598&author=lordcookies24]There is a lot of red P threads on this board ...
30-12-2019 at 12:12
by: PirateDocBrown
HCl acid in situ
[rquote=628787&tid=154656&author=Fery]HCl pKa = some sources -6.3, other sources -8
H2SO4 p ...
30-12-2019 at 12:06
by: PirateDocBrown
How to stir solution with iron filings on a hot plate stirer?
A couple ball bearings?
23-12-2019 at 11:25
by: PirateDocBrown
Red Phosphorus Source
[rquote=628286&tid=154598&author=SWIM][rquote=628275&tid=154598&author=Cou]If you bu ...
20-12-2019 at 16:26
by: PirateDocBrown
Help with carbon reduction of cyanate
[rquote=628154&tid=154586&author=Tsjerk][rquote=628150&tid=154586&author=PirateDocBr ...
18-12-2019 at 20:57
by: PirateDocBrown
Cleaning copper chromite from frit glass
I often place a circle of filter paper on top of the frit, you get a double filtering effect, and mu ...
18-12-2019 at 08:17
by: PirateDocBrown
Help with carbon reduction of cyanate
Much easier to make KCN from laundry bluing.

Heat the bluing gently, to drive off the water.
Whe ...
18-12-2019 at 08:10
by: PirateDocBrown
Diethylamine hydrochloride - Success!
That brings up another good point. Why use an impure starting material, when you don't have to? 100% ...
25-11-2019 at 11:44
by: PirateDocBrown
Affordable chemicals for university students?
Phosphorus is a watched chemical, due to its use in drug manufacture. It is much harder to find than ...
24-11-2019 at 17:03
by: PirateDocBrown
Diethylamine hydrochloride - Success!
Why do you not do an extraction with an immiscable organic solvent? (Make some 1,4 dioxane, or disti ...
24-11-2019 at 16:56
by: PirateDocBrown
How to clean a separatory funnel?
Sulfamic acid can sometimes be found OTC, as grout cleaner in home improvement stores. Also, commerc ...
16-10-2019 at 17:45
by: PirateDocBrown
methylamine from formaldehyde and NH4Cl won't complete
[rquote=624522&tid=154142&author=S.C. Wack] formic acid is not converted to CO at 102C or ev ...
16-10-2019 at 17:37
by: PirateDocBrown
Storage containers
If it's non-corrosive, the easiest and cheapest is usually Mason jars.

I also often reuse old foo ...
13-10-2019 at 11:09
by: PirateDocBrown
Storage containers
The changes in packaging chems is sometimes a bit disconcerting for old hands.

I'm used to liquid ...
12-10-2019 at 13:08
by: PirateDocBrown
Ideas to run a chromathography column (menthol / camphor)
Did a bit of a look-up.

Menthol melts at the low 40s, but camphor at a much higher temp, 170 or s ...
12-10-2019 at 13:01
by: PirateDocBrown
Ideas to run a chromathography column (menthol / camphor)
[rquote=624254&tid=154158&author=DraconicAcid][rquote=624253&tid=154158&author=Pirat ...
12-10-2019 at 12:50
by: PirateDocBrown
Ideas to run a chromathography column (menthol / camphor)
Stain your TLC with iodine vapor.

But seriously, if you are doing quantitative analysis, why do c ...
11-10-2019 at 13:48
by: PirateDocBrown
methylamine from formaldehyde and NH4Cl won't complete
NH4Cl + 2 COH2 = CH3NH2.HCl + HCO2H

You get CO, not CO2, from the decomp of the formic acid.
7-10-2019 at 05:35
by: PirateDocBrown
Who else is a chemistry major with a perilous future
Switch to Chem Engineering. Better job prospects, with just a Bachelor's. If you stay in pure chem, ...
6-10-2019 at 14:07
by: PirateDocBrown
Chemist needed
More details, please, OP.
30-9-2019 at 10:42
by: PirateDocBrown
Making Pinchbeck Brass
I'd suggest another source for brass stock, spent cartridge cases from a firing range. Many times, t ...
27-9-2019 at 23:03
by: PirateDocBrown
Piecing Together the Ultimate Distillation Set
I got a distillation set from Deschem. 1000mL boiling flask, 500mL receiver. All arrived safely, qua ...
24-9-2019 at 14:17
by: PirateDocBrown
Chalk composition: CaCO3 vs CaSO4
Blackboard chalk is almost always gypsum, CaSO4.2H2O.
22-9-2019 at 15:32
by: PirateDocBrown
Help with scalating a synthesis please
OP, do report your results, I'd love to see what route you take!
21-9-2019 at 01:02
by: PirateDocBrown
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