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Picric acid toxicity
I can't imagine it being that toxic considering it was used as an antiseptic and analgesic: https:// ... |
17-4-2026 at 04:21
by: Fulmen |
Uncoated aluminum foil
IIRC the difference in surface texture is from the rolling process. In the final round the foil is r ... |
4-4-2026 at 09:48
by: Fulmen |
The Impossible search for sulfuric acid in the uk
I just picked up a second liter of sulfuric acid drain cleaner (not the UK but similar country/regs) ... |
1-4-2026 at 04:47
by: Fulmen |
Nitric acid stains
Those stains are badges of honor, you wear them with pride. |
29-3-2026 at 23:25
by: Fulmen |
Thank you for letting me join
Good luck, have fun, don't die. |
27-3-2026 at 01:47
by: Fulmen |
Issues Loading the SM Website
I get the resistance to Cloudfare, but as you say something had to be done. And it's not like you're ... |
24-3-2026 at 11:52
by: Fulmen |
Silver plating mixtures
Mirroring with Tollens solution could work. Basically silver nitrate + sodium hydroxide and then amm ... |
23-3-2026 at 10:54
by: Fulmen |
Na in NaOH? Viable way?
I know the solubility of sodium increases with temperature, but won't the sodium precipitate out aga ... |
10-2-2026 at 11:30
by: Fulmen |
I'm in a bit of a pickle. I could use some advise please
The proper way to do this is to remove the cap nipple and attach either an air line or a grease gun. ... |
1-2-2026 at 07:11
by: Fulmen |
Sodium nitrate from CAN
Most calcium nitrate today is sold as the double salt [url=https://en.wikipedia.org/wiki/Calcium_amm ... |
12-1-2026 at 09:57
by: Fulmen |
how effective is a Vigreaux column ?
A "theoretical plate" is basically an idealized single stage (non-fractional) distillation setup. A ... |
14-12-2025 at 10:04
by: Fulmen |
how effective is a Vigreaux column ?
Never measured it, but your experience seems reasonable. Simple armchair physics is enough to see th ... |
14-12-2025 at 02:44
by: Fulmen |
Sheradization of Copper.
I think [b]bnull[/b] is spot on. You need metal on metal contact, so no binder is likely to work. Th ... |
13-12-2025 at 08:07
by: Fulmen |
The americilight
While we mostly talk about the α and ß emmisions these are usually (always?) accompanied by some g ... |
10-12-2025 at 12:21
by: Fulmen |
Continuous Production of Explosives (High-Energy Materials)
I'm assuming he means continuous processes as opposed to batch processing. BAE seems to be working o ... |
4-10-2025 at 12:02
by: Fulmen |
I ordered chemicals from TEMU so you don’t have to…
I simply refuse to do business with them based on their more than questionable ads. What can you get ... |
25-9-2025 at 12:02
by: Fulmen |
Cost-effective CO2 liquid
Check out CO2 fire extinguishers, I've heard of people getting them refilled for a competitive price ... |
8-9-2025 at 13:29
by: Fulmen |
Spontaneous (non-shock) cracking of a borosilicate beaker
High temperatures are hard on borosilicate. At one lab I worked we burned all glassware meant for a ... |
18-8-2025 at 05:56
by: Fulmen |
Mercury accident and disposal
[rquote=702397&tid=161234&author=j_sum1]But at some point you need to be practical.[/rquote] ... |
11-8-2025 at 12:03
by: Fulmen |
Aspirator/Water Jet Query?
I have one of these: https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fimages-na.ssl-image ... |
6-8-2025 at 07:23
by: Fulmen |
Exterminating voles (burrowing rodent)
The new formula worked much better, igniting easily and produces copious amounts of thick sulfur-ric ... |
4-8-2025 at 10:38
by: Fulmen |
Unexpected flames
Yes, this is common in my experience. I always ignited the fumes anyway to keep the smell down, and ... |
4-8-2025 at 04:40
by: Fulmen |
Exterminating voles (burrowing rodent)
@bnull:
No, anything that isn't dangerous to cats or poisons the soil is of interest. I'm looking ... |
2-8-2025 at 04:57
by: Fulmen |
Exterminating voles (burrowing rodent)
Oh, that doesn't sound good. Guess I'll have to do some field tests far away from people first if I ... |
1-8-2025 at 10:05
by: Fulmen |
This forum: 403 Forbidden ?
I could not access the forum or www.sciencemadness.org/. Didn't try anything else, just reset my rou ... |
30-7-2025 at 11:25
by: Fulmen |
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