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What is needed to store synthesised gasses in gas cylinders
That guy is asking to be blown up! Hydrogen is no joke, and a "simple refrigerator compressor" certa ... |
11-4-2024 at 15:07
by: Metacelsus |
Experiment with algebraic integers
I understand why the points 1, -0.5 + 0.5*sqrt(3) and -0.5 - 0.5*sqrt(3), etc have low density, but ... |
26-2-2024 at 12:25
by: Metacelsus |
Experiment with algebraic integers
What are the small black circular regions of lower density?
Grant (3blue1brown) is a super cool g ... |
25-2-2024 at 05:10
by: Metacelsus |
What fire extinguisher is best for a small amature set up?
At the beginning of my PhD program all the students got to put out a solvent fire with a CO2 extingu ... |
17-2-2024 at 09:51
by: Metacelsus |
Sodium Nitrite in the news today
Well, zoning laws *are* a thing. |
19-12-2023 at 06:13
by: Metacelsus |
Potassium bisulfate ot Potassium sulfate?
Why can't you confirm the molarity of the reagents and mix an equimolar amount? This would be much e ... |
18-12-2023 at 07:50
by: Metacelsus |
Sodium Nitrite in the news today
I'd bet NaNO2 kills far more people through its use in cured meats (forming carcinogenic nitrosamine ... |
18-12-2023 at 07:48
by: Metacelsus |
Synthesis of Ethyl ß-Naphtholate (Nerolin)
This is a bit off topic, but it's my pet peeve when people write ß (the German double S) instead of ... |
30-11-2023 at 06:19
by: Metacelsus |
Anyone go to university chemistry seminars? Or view chem department profiles?
[rquote=688762&tid=159978&author=Texium]
Your perspective on the purpose of the seminars is ... |
22-11-2023 at 05:29
by: Metacelsus |
Contaminated 1-indanone sample
A vacuum distillation might work if you have the equipment for it. See: https://www.orgsyn.org/demo. ... |
22-11-2023 at 05:25
by: Metacelsus |
Local hardware store good source for free batteries of all types!
Lithium ion batteries don't have lithium metal, although you could isolate lithium salts. |
26-10-2023 at 03:59
by: Metacelsus |
The ordeal of my life… and a serious warning to British homechemmers!
https://www.bbc.com/news/uk-england-humber-67033545
"Bridlington man Gert Meyers jailed again for ... |
8-10-2023 at 04:23
by: Metacelsus |
Help: Can ETN/PETN 4:6 be poured safely in a vacuum vibration environment?
That sounds rather dangerous to me (especially the vibration). If you want to avoid risk you could m ... |
23-9-2023 at 04:08
by: Metacelsus |
Perchloric acid failed synthesis. HELP REQUIRED!
Back in the day (~2014) I did a vacuum distillation of HClO4, from NaClO4 and 70% H2SO4. I was targe ... |
21-9-2023 at 04:44
by: Metacelsus |
How to make the air in my lab less oxidizing??
Yeah it's probably some HCl or other halogen-containing gas. In high school I made all my dad's tool ... |
12-8-2023 at 22:27
by: Metacelsus |
Louisville home chemist's house to be burned
https://www.lpm.org/news/2023-08-01/louisville-will-burn-down-the-home-of-a-chemist-arrested-for-mak ... |
5-8-2023 at 11:57
by: Metacelsus |
Fluorescence/phosphorescence questions.
Check out https://www.fpbase.org/spectra/ and you can see lots of different fluorophores (mostly one ... |
31-7-2023 at 13:03
by: Metacelsus |
Fluorescence/phosphorescence questions.
I've used fluorophores excited at 756nm (Cy7). If you take two-photon absorption into account, you c ... |
31-7-2023 at 13:02
by: Metacelsus |
Fluorescence/phosphorescence questions.
It's pretty simple if you draw it out a Jabłonski diagram.
Fluorescence is when a singlet excite ... |
30-7-2023 at 03:19
by: Metacelsus |
Your weirdest chemical that's gotten moldy?
[rquote=686020&tid=159743&author=unionised]I was always impressed by mould that grows in amm ... |
27-7-2023 at 07:59
by: Metacelsus |
Growing Synthetic Corundums (Ruby)
[rquote=685298&tid=159684&author=Pasrules]
Intro:
The plan is to make sapphires for an eng ... |
29-6-2023 at 04:00
by: Metacelsus |
Decomposing methyl iodide
Yes, add it to ammonia. This is also how I got rid of dimethyl sulfate back when I was using it in m ... |
14-6-2023 at 06:23
by: Metacelsus |
worst stench
In undergrad I made quite a few batches of 3,5-dithiahepta-1,6-diyne. Basically https://en.wikipedia ... |
5-2-2023 at 09:20
by: Metacelsus |
H2 trap
Yeah, HCl fumes/aerosol will cause tons of rust on any iron or steel, you should really do it outsid ... |
20-11-2022 at 16:30
by: Metacelsus |
RGA as Mass spectrometer
[rquote=678568&tid=159081&author=neptunium]=
One thing I didn`t mentioned yet but will cove ... |
17-11-2022 at 04:49
by: Metacelsus |
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