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Speeding up vacuum distillations - Role of Diameter of Vacuum Intake
Any ideas on how to speed up vacuum distillations? I have large volumes of alcohol to distill and I ...
9-4-2019 at 21:41
by: beerwiz
Enzyme based chemomechanical dental caries removal (Papacarie & Brix3000)
Some thoughts:

1. Removal of the caries with papacarie
2. If the caries has reached the pulp, it ...
16-3-2019 at 00:01
by: beerwiz
Can we travel back in time really?
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14-3-2019 at 03:29
by: beerwiz
Enzyme based chemomechanical dental caries removal (Papacarie & Brix3000)
I've been meaning to post about papacarie for years and glad you posted this.
Basically, you apply ...
14-3-2019 at 03:04
by: beerwiz
Transdermal lysergamides?
[rquote=602810&tid=82438&author=itsafineday]
Obviously the most reasonable answer is that D ...
25-2-2019 at 21:37
by: beerwiz
HOLY MARY MOTHER OF GOD! Hoffman made LSD without making LSD?
You are all missing the point. David Nichols was right!
It would be of great value for all on this ...
16-2-2019 at 17:39
by: beerwiz
Transdermal lysergamides?
[quote]
Now one aside to that we could then bring up is this. If the force that caused him to have ...
15-2-2019 at 15:10
by: beerwiz
HOLY MARY MOTHER OF GOD! Hoffman made LSD without making LSD?
All I will say is, David Nichols was correct

https://www.sciencemadness.org/whisper/viewthread.ph ...
15-2-2019 at 14:14
by: beerwiz
HOLY MARY MOTHER OF GOD! Hoffman made LSD without making LSD?
There was a thread on here discussing whether Hoffman made LSD before it was actually synthesized, t ...
15-2-2019 at 08:25
by: beerwiz
photomicrography
Why don't you use your smartphone camera?
12-2-2019 at 06:15
by: beerwiz
Vacuum distillation - cold trap
I got a brand new -120 C cold trap but as soon as I start the vac distillation, the temperature shoo ...
6-2-2019 at 00:41
by: beerwiz
Finding a low-cost IR Spectrometer for reaction monitoring?
[rquote=591018&tid=51255&author=CharlieA]If a pure substance is diluted in various proportio ...
25-1-2019 at 00:55
by: beerwiz
Pump oil for Rotary Vane - What grade?
The best oil to use for rotary vane vacuum pumps is pure Mineral Oil like the one you can buy from t ...
24-1-2019 at 17:37
by: beerwiz
Finding a low-cost IR Spectrometer for reaction monitoring?
As far as I know IR spectrometers only work on pure compounds and can't be used with samples of mixt ...
24-1-2019 at 17:31
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
So far I've concluded that there are two simple things that can be done:

1. Use the fume hood and ...
29-12-2018 at 10:14
by: beerwiz
Can we travel back in time really?
[rquote=568433&tid=117013&author=mayko]I think the real question is "may we?"[/rquote]

Ma ...
28-12-2018 at 20:03
by: beerwiz
DIY Vacuum Filtration
I've had glassware implode on me before under vacuum. Luckily I had it wrapped in clear shipping tap ...
28-12-2018 at 19:54
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
The dehumidifier is an excellent proposition but do you think that the heating element on off the sh ...
28-12-2018 at 19:45
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
[quote]
Why not have a sort of cold finger for recovering your solvents after they evaporate. Run t ...
28-12-2018 at 19:32
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
[rquote=570993&tid=119314&author=DavidJR]During filtration etc are you leaving large contain ...
28-12-2018 at 15:50
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
[rquote=570990&tid=119314&author=DoctorOfPhilosophy]Can you do the work in a glove box? You ...
28-12-2018 at 15:23
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
[rquote=570978&tid=119314&author=Sigmatropic]By not evaporating large quantities of volatile ...
28-12-2018 at 14:59
by: beerwiz
Ideas for Cold Weather Chemistry, Unlimited Chilling is Free in Winter take advantage of it
What chemistry do you do when it's cold outside?

I take advantage of the cold winter weather by ...
28-12-2018 at 14:51
by: beerwiz
Ammonia Generation
When I need to gas some liquid with ammonia I do this:

Fill a 500ml beaker with 28% ammonia, fill ...
28-12-2018 at 14:39
by: beerwiz
How to scrub ethyl acetate vapors before releasing into the outside air? Hundreds of neighbors are complaining.
I'm handling multiple gallons of ethyl acetate, acetone, and toluene per filtration, separation, etc ...
28-12-2018 at 14:21
by: beerwiz
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