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Carbonate ester synthesis from urea?
I did a few trials to make ethylene carbonate in a different life, the results looked promising but ...
15-1-2021 at 17:23
by: BromicAcid
How is medium/large scale sublimation accomplished?
Unfortunately a lot of large-scale sublimation is basically an artisinal craft, dozens of sublimator ...
15-1-2021 at 17:19
by: BromicAcid
filtering ammonia gas
How much carbon dioxide did you charge? It can sometimes be difficult to get into solution dependin ...
13-1-2021 at 16:12
by: BromicAcid
Boro glass vs Quartz - both are SiO2 so how are they different?
Our company glass shop used to repair quartz labware although they didn't do straight fabrication th ...
19-12-2020 at 12:59
by: BromicAcid
Weird scent from electrolysis of sodium hydroxide solution. Any ideas as to what it could be?
My guess would be aresolized sodium hydroxide from the bubbling electrodes. During electrolysis of ...
20-11-2020 at 18:00
by: BromicAcid
Does methanol smell like anything to you?
MeOH smells sweet to me, EtOH just smells like burning solvent.
12-11-2020 at 15:24
by: BromicAcid
Happy half million posts to sciencemadness
Some people I work with consider SM results better than patent results when they're investigating so ...
5-11-2020 at 17:27
by: BromicAcid
How to seal a threaded stainless steel retort ?
I've used these types of copper anti-size / sealants before with success

https://www.jcwhitlam.co ...
24-10-2020 at 14:23
by: BromicAcid
Are Flamin' Hot Cheetos really that bad?
Back in high school we did determination of caloric value of different brands of chips by burning th ...
11-10-2020 at 13:45
by: BromicAcid
Flat Flange lid not grounded o-ring
I used to regularly use the type of clamp and gasket that you show in your second photo. No, both s ...
2-10-2020 at 03:59
by: BromicAcid
Reaction Cooling Equipment. What's out there?
Also work in a real lab, ice water bath or dry ice / IPA bath adjusted to temp.
21-9-2020 at 11:44
by: BromicAcid
Collection of bromine preps
Elemental bromine wouldn't separate out of water on cooling, you'll end up getting bromine hydrate. ...
12-9-2020 at 08:05
by: BromicAcid
Why doesn't anyone use glove boxes for things like fluorine?
There is a fluorine thread, in it I share the schematics for a fluorine cell from Inorg Synn. The a ...
10-9-2020 at 16:15
by: BromicAcid
Chloroform from calcium hypochlorite
Water containing chloroform >6.0 mg/L (note that RT solubility is close to 8 g/L) is considered h ...
22-8-2020 at 13:34
by: BromicAcid
New FTP server in testing mode
You certainly live up to your name MadHatter, how long have you been making incarnations of an FTP? ...
20-8-2020 at 19:26
by: BromicAcid
Solubility of iodine in dichloromethane
The most interesting one is the 'solubility' in THF. If you try to make a saturated solution it kee ...
8-8-2020 at 06:04
by: BromicAcid
Run Vacuum Pump with Relay Timer (On 2 Sec Off 60 Sec)?
Quite hot to you might actually be a completely normal operational state for the pump. When you box ...
7-8-2020 at 20:26
by: BromicAcid
Distillation Ideas
Water, just water. Nothing flammable, nothing corrosive, just boring old water. Check the height o ...
6-8-2020 at 13:05
by: BromicAcid
Disposal of solvents
Collect and bulk up over the course of the year. Hand over for your annual disposal days or the lik ...
31-7-2020 at 17:03
by: BromicAcid
Making sodium isopropoxide - Sodium is not dissolving
I totally relate to this! Took me 3 days of refluxing 5-7 hours a day to make like 100 grams of iso ...
1-7-2020 at 15:16
by: BromicAcid
Forbidden Knowledge!
@Housane - From memory, ammonium nitrate/calcium hypochlorite was one. I had a whole list, I rememb ...
24-6-2020 at 16:04
by: BromicAcid
Forbidden Knowledge!
I have a whole hand-written book of notes on forbidden chemistry knowledge. Started it a few decad ...
24-6-2020 at 14:34
by: BromicAcid
Stability of picric Acid (Trinitrophenol)
Back when I used to do hazardous waste disposal I was told that the issue with old units of picric a ...
30-5-2020 at 19:06
by: BromicAcid
Which brand is best? [glassware]
When Bomex first started coming out there were posts on this forum about beakers and other component ...
11-5-2020 at 03:48
by: BromicAcid
Mercury cleanup suggestions.
Usual procedure I have been taught is to take a 250-1L RB flask and equip it with a Torion adapter w ...
9-5-2020 at 16:37
by: BromicAcid
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