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My first little incident
Scars to the hands are called "The Mark of the Chemist". You are now initiated into the mysteries. |
22-7-2022 at 22:59
by: PirateDocBrown |
New chemicals for sale !
There's just no substitute for red phosphorus in some reactions.
Has anyone gotten any here into ... |
19-7-2022 at 12:18
by: PirateDocBrown |
Glutamic acid from MSG
Next time, don't discard the mother liquor. Instead, boil it down to about half volume, then chill i ... |
18-7-2022 at 02:24
by: PirateDocBrown |
Not allow to purchase cryogenic equipment
There just a gas station/ convenience store by me that sells dry ice a pound or two at a go. Worth c ... |
17-7-2022 at 05:30
by: PirateDocBrown |
Labconco Basic 47 fume hood manual
Looks like you don't actually have to be a customer to make an account. So I made one.
[file]939 ... |
14-7-2022 at 03:29
by: PirateDocBrown |
Synthesis Sodium Ferrocyanide?
[rquote=675067&tid=158714&author=BAV Chem]@CharlesWood
As boffis already said you might w ... |
14-7-2022 at 03:19
by: PirateDocBrown |
HotPlate Branding
I got one of those SH-2s also. The stirrer works great, the heat is weak. So, if I just want somethi ... |
14-7-2022 at 03:16
by: PirateDocBrown |
Glutamic acid from MSG
Yes, definitely recrystallize, add a minimum amount of boiling water to dissolve clear, then allow t ... |
13-7-2022 at 06:00
by: PirateDocBrown |
Acquisition of Hexanal (hexanaldehyde) from OTC/Easily Obtainable Chemicals?
How much do you need? |
7-7-2022 at 06:28
by: PirateDocBrown |
Best economical steam still
If someone here has reviewed them, they would have posted. Try using the search engine, instead of e ... |
6-7-2022 at 14:43
by: PirateDocBrown |
Corning PC-420D issue: Near-total loss of control
Absolutely desolder. With the right equipment, is actually very easy. If you need to replace the pot ... |
5-7-2022 at 14:14
by: PirateDocBrown |
Cleaning glassware and other equipment
[rquote=674813&tid=24207&author=teodor][rquote=672315&tid=24207&author=Crazy_Chemist ... |
4-7-2022 at 11:41
by: PirateDocBrown |
Cleaning glassware and other equipment
[rquote=674812&tid=24207&author=ManyInterests]I used my glass buchner funnel (fritted glass) ... |
4-7-2022 at 11:35
by: PirateDocBrown |
Drying an impossibly deliquescent iminium salt (how stable are iminium salts?)
Second the Dean-Stark. Just toluene would likely do it. If the decomp is a problem, do it under vacu ... |
1-7-2022 at 11:48
by: PirateDocBrown |
Make Phosphorus from Ca phosphate and Mg powder ?
The more hydrogen, the more phosphine. Dry your reagents out. |
29-6-2022 at 15:38
by: PirateDocBrown |
Purification of drain-cleaner acid
[rquote=674671&tid=158315&author=ManyInterests]Oh I forgot to mention this:
[quote] Proba ... |
28-6-2022 at 11:53
by: PirateDocBrown |
Purification of drain-cleaner acid
[rquote=670389&tid=158315&author=JacobM]
Probably noteworthy that I don't have 30% peroxide ... |
27-6-2022 at 12:34
by: PirateDocBrown |
Purification of drain-cleaner acid
[rquote=674647&tid=158315&author=woelen]Very interesting. This also makes it possible for EU ... |
27-6-2022 at 12:31
by: PirateDocBrown |
Dumpster dive glassware/equipment sale!
Condenser arrived, well protected in transit. Thanks! |
25-6-2022 at 08:43
by: PirateDocBrown |
Drying acyl halides with molecular sieves?
Sieves do not like acids. If you have some hydrolysis, you will have acids. Maybe try calcium chlori ... |
24-6-2022 at 21:14
by: PirateDocBrown |
Glacial Acetic Acid from Sodium Bisulfate + Sodium Acetate - No Yield?
First thing I'd try is anhydrous calcium sulfate for a few days, to the wet acid. Then, the distilla ... |
24-6-2022 at 07:42
by: PirateDocBrown |
Glacial Acetic Acid from Sodium Bisulfate + Sodium Acetate - No Yield?
Anhydrous sodium bisulfate doesn't melt at 315. It decomposes at that temp.
Why are you dehydrati ... |
23-6-2022 at 22:54
by: PirateDocBrown |
Nickel coins as a source of pure nickel
I travelled to France a bunch back in the 80s (and some to NL as well), and have a few dozen each of ... |
23-6-2022 at 00:32
by: PirateDocBrown |
Electrolytic reduction of pyridine to piperidine
I've had good results using a terra-cotta pot a a diaphragm for electrolysis. They can be had as sma ... |
22-6-2022 at 21:59
by: PirateDocBrown |
Nickel coins as a source of pure nickel
This arose from a conversation about someone wishing to extract nickel from stainless steel flatware ... |
22-6-2022 at 14:09
by: PirateDocBrown |
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