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Pentane extraction from styrofoam (/other blowing agent) possible?
Only just after blowing the foam there is pentane, but it will be displaced by air over time. |
27-7-2023 at 01:26
by: Tsjerk |
Your weirdest chemical that's gotten moldy?
High concentrations of ethanol, at least above 40%. The fungus grew on top of the liquid, like how i ... |
23-7-2023 at 22:51
by: Tsjerk |
Transesterification and purification of ETN from mixed sulfoesters
[rquote=685788&tid=159724&author=DennyDevHE77]
What else could it be but sulfates that we ... |
16-7-2023 at 06:21
by: Tsjerk |
Synthesis of zeolite
https://sci-hub.se/10.1007/s10853-013-7499-y |
14-7-2023 at 23:48
by: Tsjerk |
Sciencemadness comment box!
How is SM running on the server now? Also in VirtualBox? |
14-7-2023 at 04:55
by: Tsjerk |
Proposed posting convention for dealing with AI
Sending all AI stuff to detritus sounds a bit harsh, that would mean there is no discussion possibl ... |
13-7-2023 at 23:47
by: Tsjerk |
What substance are thistle spines made of?
[rquote=685660&tid=157927&author=unionised]Wood?
[/rquote]
Exactly, cellulose with ligni ... |
13-7-2023 at 01:50
by: Tsjerk |
Sciencemadness comment box!
Polverone! Good to see you back!
In case you didn't know; there is an XMB update, 1.9.12, which i ... |
11-7-2023 at 13:30
by: Tsjerk |
Dissolving organic tissues in hydroxides
[rquote=685517&tid=159703&author=RogueRose]
Would adding H2O2 to any of the bases help ac ... |
9-7-2023 at 04:40
by: Tsjerk |
Barium peroxide from barium carbonate
Sodium nitrate and sodium acetate are much more soluble than sodium chloride, so if you have nitric ... |
4-7-2023 at 09:51
by: Tsjerk |
Barium peroxide from barium carbonate
There is a second preparation in there.
You want to get it into solution to get to the hydroxide, ... |
3-7-2023 at 12:35
by: Tsjerk |
Barium peroxide from barium carbonate
See the second preparation:
https://www.prepchem.com/synthesis-of-barium-peroxide/
|
3-7-2023 at 12:21
by: Tsjerk |
Dichloromethane ban
That stuff was amazing! It saved me hours of sanding, pure DCM just isn't the same.
https://www.l ... |
3-7-2023 at 08:41
by: Tsjerk |
Liquefying SO2 into a Plastic Bottle
A quick Google search learned me stainless steel is OK for dry SO2:
ThyLabs has a video using CO2 ... |
3-7-2023 at 01:55
by: Tsjerk |
Confusing hydrogen peroxide label.
Witty, but misplaced. Sodium oxalate can be reliably purified to an extent where the uncertainty bec ... |
25-6-2023 at 03:14
by: Tsjerk |
Confusing hydrogen peroxide label.
Now the question is how pure was your permanganate? You could titrate that against sodium oxalate, N ... |
25-6-2023 at 01:01
by: Tsjerk |
Are you guys using ChatGPT
[rquote=685106&tid=159514&author=MadHatter]Is it me or does AI sound like a "kewl" ? The se ... |
22-6-2023 at 01:28
by: Tsjerk |
Planned Polyethylene Glutamate Synthesis
[rquote=685098&tid=159665&author=sceptic]I've tried titrating MSG with hydrochloric acid, an ... |
22-6-2023 at 00:25
by: Tsjerk |
Planned Polyethylene Glutamate Synthesis
Good success? He doesn't give a yield. When you titrate to the pI (isoelectic point) of glutamic aci ... |
21-6-2023 at 05:48
by: Tsjerk |
Planned Polyethylene Glutamate Synthesis
Is citric acidic enough to protonate glutamic acid? |
21-6-2023 at 04:15
by: Tsjerk |
Are you guys using ChatGPT
I use one of the OpenAI models, don't know exactly which one, every day. They have an IntelliJ plugi ... |
20-6-2023 at 11:07
by: Tsjerk |
Microwave Assisted Galvanic Bleaching with Dilute H2O2, Cu Metal, NaHCO3, NaCl and Graphite
[rquote=685061&tid=159651&author=AJKOER]
The curious part, in my opinion, is "help loosen" ... |
20-6-2023 at 02:33
by: Tsjerk |
Microwave Assisted Galvanic Bleaching with Dilute H2O2, Cu Metal, NaHCO3, NaCl and Graphite
[rquote=685027&tid=159651&author=AJKOER]
but my Apple Cider Vinegar produced none to negati ... |
18-6-2023 at 04:48
by: Tsjerk |
Microwave Assisted Galvanic Bleaching with Dilute H2O2, Cu Metal, NaHCO3, NaCl and Graphite
Yes, or read a little less literature and bleach a tea stain with plain hot H202.
Btw; hot vineg ... |
17-6-2023 at 11:16
by: Tsjerk |
Microwave Assisted Galvanic Bleaching with Dilute H2O2, Cu Metal, NaHCO3, NaCl and Graphite
[rquote=685011&tid=159651&author=chloric1]
I hear and understand your point but you come of ... |
17-6-2023 at 07:58
by: Tsjerk |
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