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Where to get those flexible heating mantles?
Yeah, Ebay and a little patience will get you a great deal.

For a 100 ml mantle a little rheostat ...
6-4-2021 at 13:21
by: SWIM
CBD oil extraction then conversion to Delta-8
Your proposals are awfully vague.

It reads like you spent about 10 minutes researching this, and ...
1-4-2021 at 17:10
by: SWIM
Condenser overpowering and joint size?
A really big Dewar condenser can do the trick sometimes.

The large volume around the ice reservoi ...
30-3-2021 at 12:43
by: SWIM
Condenser heating up during hydrosdistillation
Not that it's important for steam distillation as the temperature at the still head usually isn't mo ...
2-3-2021 at 20:13
by: SWIM
What is a realistic output for an ozone generator?
They are generally rated for output on straight dry oxygen, and heat from running does make them eve ...
2-3-2021 at 16:00
by: SWIM
Vanillin chemistry: Piperonal
I was wrong about the intermediate.

One aluminum chloride molecule coordinates with both the phen ...
24-2-2021 at 17:07
by: SWIM
Vanillin chemistry: Piperonal
It's been a while since I concerned myself with this reaction, but I believe the intermediiate is a ...
23-2-2021 at 15:38
by: SWIM
Materials science of spore motors
This thread reminds me of cannon fungus, the only mushroom I've ever had throw something at me.

W ...
23-2-2021 at 11:00
by: SWIM
Joining metal vessels to ground glass?
I've used small flat flange connectors (borosilicate) against metal surfaces with good success on a ...
23-2-2021 at 10:32
by: SWIM
Is there a way to make soda lime glass conduct heat?
I think quartz is the right idea.

Prices have dropped a bit now that they make cheap quartzware i ...
23-2-2021 at 09:54
by: SWIM
Acetic anhydride preparation
Wish I could find that old paper.

They were dehydrating acetic acid in a tube furnace.
It was o ...
20-2-2021 at 14:34
by: SWIM
Freeze drying question
Freeze drying takes a while.

Many hours, maybe a day or two.

Gotta keep it frozen while it dri ...
17-1-2021 at 20:41
by: SWIM
Mixing concentrated acid and base
[rquote=653279&tid=156906&author=EliasExperiments]@Vomaturge Calcium oxide is a great idea. ...
17-1-2021 at 18:59
by: SWIM
hydrogen peroxide.
Great list of resources and information Symboom.
16-1-2021 at 08:03
by: SWIM
hydrogen peroxide.
Some really old sources suggest drying in vacuum over concentrated sulfuric acid.

They claim you ...
15-1-2021 at 23:48
by: SWIM
How is medium/large scale sublimation accomplished?
Kontes makes some fairly large sublimators

https://www.ebay.com/itm/Aparato-De-Sublimacion-grand ...
15-1-2021 at 12:41
by: SWIM
Mixing concentrated acid and base
You could drop the hydroxide solution into a beaker of sulfur trioxide (liquid, not polymerized)
(A ...
15-1-2021 at 08:46
by: SWIM
External heating for bath to allow use of magstir?
https://www.homedepot.com/p/Presto-10-qt-Black-Kitchen-Kettle-Deep-Fryer-Multi-Cooker-06009/31024949 ...
14-1-2021 at 10:01
by: SWIM
Spontanious Cracking on New Branded Glassware ?
[rquote=642344&tid=155937&author=LuckyWinner][rquote=642340&tid=155937&author=wg48te ...
13-1-2021 at 07:06
by: SWIM
Any place to get granular purified silicone dioxide for chemistry applications?
What I've got is 5 micron silicon dioxide powder. 99.5%

There is a lot number listed on the conta ...
13-1-2021 at 06:30
by: SWIM
Any place to get granular purified silicone dioxide for chemistry applications?
How fine do you want?

I believe I've got some for making ceramics with which is pretty pure.

I ...
11-1-2021 at 17:00
by: SWIM
Vacuum glass implosion?
Is there something seriously wrong with you?

You say something inaccurate and expect it to stand ...
17-7-2020 at 14:23
by: SWIM
Vacuum glass implosion?
[rquote=640812&tid=155522&author=Eddie Current][rquote=640796&tid=155522&author=S.C. ...
16-7-2020 at 13:13
by: SWIM
Vacuum glass implosion?


Filter flasks are fine under heating.

In fact, its hard to imagine how anyone could possibly ...
15-7-2020 at 15:09
by: SWIM
Using reactor flasks as desiccators?
"Most reactors are designed to achieve high degrees of vacuum" -Ace Glass catalogue.

I'm pretty c ...
15-7-2020 at 11:47
by: SWIM
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