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Happy July 4 everyone!
I wonder how many times more gunpowder has been used celebrating American independence than was used ... |
4-7-2021 at 10:07
by: SWIM |
Happy July 4 everyone!
They cancelled the fireworks show in my city.
A real pity since I just moved to about 400 meters fr ... |
4-7-2021 at 03:30
by: SWIM |
Mystery Glassware Identification Thread
[rquote=655976&tid=31602&author=Sulaiman]I don't know what it is but I want one!
I think ... |
4-7-2021 at 02:28
by: SWIM |
Danger of flash powders and my stupid injury
Mech 252, also use safety glasses or better yet a visor.
Protecting the eyes is most important, b ... |
3-7-2021 at 17:04
by: SWIM |
What do you consider as the most exotic element ?
Columbium, the element so exotic they had to name it twice. |
2-7-2021 at 22:03
by: SWIM |
Storing chemicals and ordinary refridgerators and freezers
I thought lab freezers were ventilated in a limited way to avoid the buildup of explosive vapors.
... |
1-7-2021 at 21:39
by: SWIM |
Depositing a layer of Cu on perlite
If this pond isn't too large maybe you could use a biological filtration system like those used in l ... |
1-7-2021 at 20:44
by: SWIM |
Can you train your immune cells outside of your body?
Even doing this with a clone might give poor results.
I had an autologous stem cell transplant la ... |
1-7-2021 at 14:38
by: SWIM |
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 |
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