Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Did eBay pull all iodine crystal/prill listings?
I finally gave up on trying to buy iodine. Instead I bought a kilo of potassium iodide from Amazon ...
26-6-2024 at 05:20
by: charley1957
Did eBay pull all iodine crystal/prill listings?
This is a brand new development if they have. I had been watching iodine forever. Even ordered onc ...
25-6-2024 at 03:33
by: charley1957
Changes to EUD requirements in Australia
When iodine became a lot harder to get, potassium iodide became a LOT more expensive than it used to ...
22-6-2024 at 05:27
by: charley1957
Best spray paint for inside of fume hood blower
This looks like some pretty good stuff. I’d certainly give it a try. I just painted some chemica ...
21-6-2024 at 05:42
by: charley1957
How I safely unplugged a drain using Vinegar and Baking Soda
I have a recurring problem with a shower drain. I have started using my wet/dry shop vac on it, and ...
21-6-2024 at 05:08
by: charley1957
Precious Hotplate Stirrers
I know a guy, had to have the biggest, fanciest 4WD pickup with the biggest engine he could get in i ...
19-6-2024 at 08:36
by: charley1957
Solution strength for dissolving mineral impurities
In my part of the US muriatic acid is found in most hardware stores in the paint section and at most ...
16-6-2024 at 04:55
by: charley1957
Nitric acid from calcium nitrate
I have a container of steel BBs at the sink where i wash my glassware. Swirling/shaking them around ...
9-6-2024 at 09:29
by: charley1957
Trifluoroacetic anhydride?
Old Halon fire extinguishers are still available. I recently called the local fire extinguisher ins ...
4-6-2024 at 03:26
by: charley1957
A stirring exception
I have several pounds of mercury I got from a dentist who was retiring. To that I added some mercur ...
23-5-2024 at 04:42
by: charley1957
A stirring exception
What an exceptional observation!:D
22-5-2024 at 03:23
by: charley1957
Ethylene Production
https://dacemirror.sci-hub.se/journal-article/69d90edebd841ce4637b9e422ad4e6fe/zhang2010.pdf?downloa ...
21-5-2024 at 15:13
by: charley1957
Fresh eggs, wash or dont?
True, the above. I never wash my eggs, and they can and do last up to 90 days on the counter, no re ...
20-5-2024 at 07:50
by: charley1957
Yellow methanol
When the distillation was all done, I took the remains from the still pot and vacuum filtered it. N ...
9-5-2024 at 15:05
by: charley1957
Yellow methanol
Several years ago I was given a gallon of methanol. It was used as a natural gas pipeline antifreeze ...
9-5-2024 at 08:31
by: charley1957
Dichloromethane now banned from US paint strippers
As of this morning, May 1, you can still get it from Amazon, at least two sellers. Also Sciencecomp ...
1-5-2024 at 07:44
by: charley1957
A new auction underway, April 2024
I’ve looked at all the items of the latest auction of lab equipment. Too many items are completely ...
5-4-2024 at 18:25
by: charley1957
OTC dichloromethane!
https://a.co/d/eruUxEi Here’s another product on Amazon, first ingredient is methylene chloride, ...
30-3-2024 at 05:27
by: charley1957
small companies disappearing
Lab Alley out of Austin, Texas is still around. They have most common chemicals. And I thought Lab ...
20-3-2024 at 04:27
by: charley1957
Recrystallization and stirring
Well he did mention industrial a couple of times, but made it seem that it applied in the lab just a ...
13-3-2024 at 11:25
by: charley1957
Recrystallization and stirring
I was watching a YT video on the recrystallization of a substance to purify it. One of the commente ...
13-3-2024 at 05:55
by: charley1957
NO2 refusing to condense
The only other thing I can think of is oxygen in the air. So unless you’re trying to do it under ...
24-2-2024 at 08:15
by: charley1957
2023 Science Madness Secret Santa – The fun begins!
My Secret Santa is VERY persistent. Part of the present he sent never made it to me for whatever re ...
21-2-2024 at 17:02
by: charley1957
How hazardous is fluorine chemistry?
Sulaiman, I haven’t personally done any fluorine chemistry, but I have spent the past several year ...
14-2-2024 at 04:53
by: charley1957
Sorry for the downtime
I’m glad to see the forum is back up. Thanks to you Polverone for all your time and energy keepin ...
6-2-2024 at 11:42
by: charley1957
[Next Page]

  Go To Top