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An Article for Thought and Discussion
There have been a few times reading through old journals / literature where I read something and thi ...
4-5-2022 at 20:21
by: BromicAcid
Free Stuff! To Wisconsin member in good standing
Bumping this thread to see if there's any interest newly generated in the last 6 years.
29-4-2022 at 16:27
by: BromicAcid
Can Platinum be used as a hydrogenation catalyst?
It's also interesting to think how finances figure into research, for years palladium was the cheape ...
18-4-2022 at 20:46
by: BromicAcid
Acid neutralizing on industrial scale
What volume are you talking about? You could do a slick setup with two metering pumps going to a in ...
12-4-2022 at 03:45
by: BromicAcid
How to filter oily sludge/slurry ?
@Rainwater - those frits are usually not designed for massive pressures. In practice we use frits l ...
22-3-2022 at 05:41
by: BromicAcid
Sticky Situation
Once upon a time I did do a summary for the Phosphorus thread.

https://www.sciencemadness.org/whi ...
19-3-2022 at 18:59
by: BromicAcid
Formal charge
Yup, formal charge of +1.

Oxygen usually only likes to form 2 bonds, but the material in A is a ...
5-2-2022 at 17:10
by: BromicAcid
Cyclopentadiene
Found this post at work while looking up some things on decomposing ferrocene. Strong acids can mak ...
2-2-2022 at 14:56
by: BromicAcid
How bad is the smell of thiols?
The smell of the thiol depends of course on the R-group attached to it. I've worked with methyl mer ...
19-12-2021 at 07:08
by: BromicAcid
Vacuum pump for distillation etc.
You could also make sure you put good traps inline before the pump and then locate it remotely outsi ...
28-11-2021 at 06:58
by: BromicAcid
How to deal with long processes involving heat.
You have to do risk mitigation. Evaluate what could go wrong, what the outcome would be, and how it ...
23-11-2021 at 15:37
by: BromicAcid
List of items needed to get started in air-free chemistry?
You can go without a regulator just main-lining off the cylinder but:

1) You will waste a lot of ...
16-11-2021 at 20:42
by: BromicAcid
Breaking a stable emulsion
Usually shoot it through a 0.25 micron encapsulated using nitrogen pressure. Really just depends on ...
10-11-2021 at 15:09
by: BromicAcid
Breaking a stable emulsion
Agree with SWIM, have seen filtrations break emulsions several times.
9-11-2021 at 04:46
by: BromicAcid
Breaking a stable emulsion
You hit the big ones, adding sugar/salt will adjust the polarity as well, have you tried adding more ...
8-11-2021 at 18:54
by: BromicAcid
Highest Oxygen By Weight Compound?
Nitronium perchlorate has to be pretty up there even with the chloro:

2.2 g/mL
145.5 g/mol => ...
31-10-2021 at 05:58
by: BromicAcid
Synthesis of Pigments For Oil Paints
nawaf, there are a ton of threads around here so don't worry about it. Unlike most forums though yo ...
28-10-2021 at 15:45
by: BromicAcid
Synthesis of Pigments For Oil Paints
Couple threads to start with:

http://www.sciencemadness.org/talk/viewthread.php?tid=10154

http ...
27-10-2021 at 09:04
by: BromicAcid
test strips/device to detect phosgene
Change is rapid, carbonyl chlorides/ chloroformates / chlorothiolformates all give interference resu ...
23-9-2021 at 09:48
by: BromicAcid
test strips/device to detect phosgene
This is what we use at work

https://dodtec.com/phosgene-3-day-badge-without-control-window-pack-o ...
23-9-2021 at 09:13
by: BromicAcid
Leftovers from bromoethane synthesis
Please supply more details of your reaction. I.e., reference, balanced reaction scheme, writeup inc ...
18-9-2021 at 20:26
by: BromicAcid
White Phosphorus
You could also put it in a flask and pull it under vacuum to evaporate off the water.
13-9-2021 at 03:55
by: BromicAcid
Pictures of members.
Doubtlessly more intelligent to bring this up via U2U
5-9-2021 at 15:57
by: BromicAcid
Setups for burning liquid form aromatic waste
I used to chew up my organics with some Fenton's reagent. It will also eat aromatics converting the ...
4-9-2021 at 04:18
by: BromicAcid
Proper way to commit hot filtration?
No, it is not always necessary to have your solution dilute when doing a hot filtration. I mean, fo ...
28-8-2021 at 03:50
by: BromicAcid
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