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Can PVC withstand chemicals involved in biodiesel making?
Unplasticized rigid PVC is a translucent blue product available
as tube (pipe). It is FDA rated for ...		 9-5-2007 at 20:33
by: bio2
Advice on Pond Pump for aspirator setup?
Must be the SureFlow brand is better built than the Jabsco
of the same type which I am familiar wit ...		 8-5-2007 at 12:38
by: bio2
Advice on Pond Pump for aspirator setup?
These Sureflow rubber impeller type pressure pumps are not intended for continuos duty of hour after ...		 8-5-2007 at 08:11
by: bio2
pump performance
......Would flushing oil help? ........

Yes, as a first step, using vacuum pump oil, run the pump ...		 1-5-2007 at 08:45
by: bio2
leftover ammonium chloride
Recrystallize it to remove MeNH2.HCL which will lessen the
production of Me2NH2.HCl if used in an ...		 30-4-2007 at 18:00
by: bio2
pump performance
The rated pressure of vacuum pumps is the blank off
pressure which means the guage is mounted dir ...		 30-4-2007 at 12:05
by: bio2
oil mist filter for vac pump
A " real" coalescent separator for oil mist does not
filter out the mist per say. Rather the velo ...		 25-4-2007 at 22:15
by: bio2
Orangish essential oil compound
The color is almost surely polymerization products which
will remain in the flask when fractionate ...		 20-4-2007 at 20:30
by: bio2
Pressure testing a vessel.
If it's PE 2-3mm thick low density like most buckets it will
collapse under vacuum. If HDPE it will ...		 20-4-2007 at 20:17
by: bio2
Aspirator/Water outlet for home
If you can't readily find the adapter parts just use a
piece of plastic tubing secured with 2 hos ...		 20-4-2007 at 17:44
by: bio2
Heating Mantle question
A so called "infinite switch" like the ones used on range
burner elements makes a good controller ...		 15-4-2007 at 18:23
by: bio2
Inline reef chillers?
.........I was thinking of using a reef chiller... how many HP do I need? I was thinking I might be ...		 11-4-2007 at 11:49
by: bio2
Do they sell Hot tub pumps at hardware stores
Jet pumps are intended to pull a vacuum on the suction line to
lift the water and as such are noisy ...		 9-4-2007 at 16:23
by: bio2
Silica in NaBH4 reductions..
Silica gel looses water at relatively low temperature starting
IIRC somewhere over 40 or 50 degr ...		 8-4-2007 at 14:56
by: bio2
Using [Cu(Cl)4]2- to activate Al for reductions
Look at this excerpt from an old SM thread on the reduction of imines.

Certainly adds creedence t ...		 5-4-2007 at 19:28
by: bio2
washes and extractions
Sprinkling powdered NaCl on the surface of the emulsion
will usually break it.

Granulated salt t ...		 5-4-2007 at 15:30
by: bio2
Using [Cu(Cl)4]2- to activate Al for reductions
.......I think that MeNO2 reducion process is a side reaction in this conditions........

Yet the ...		 5-4-2007 at 15:21
by: bio2
washes and extractions
.......So is 33 + 33 + 33 ml per 100 ml organic valid or way over the top? .........

Seems right. ...		 4-4-2007 at 15:31
by: bio2
Extended nomograph?
You can place a thermometer into a flask of water with
the vacuum running. When the temperature st ...		 3-4-2007 at 10:33
by: bio2
Methylamine hcl in place of methylamine?
....And since he cant seem to find a simple way to get freebase methylamine from the salt ......

...		 2-4-2007 at 18:47
by: bio2
Dear god... I have a LOT of sodium metal.
.......chunks bigger than 1CC WILL explode........

My science/chemistry teacher in grade school ...		 2-4-2007 at 14:55
by: bio2
Vac Distillation Problem
To change receivers without any added components simply
shut off the heat, slowly bleed off the va ...		 1-4-2007 at 18:57
by: bio2
Using [Cu(Cl)4]2- to activate Al for reductions
.....It could also be that the Cu(0) plating is the true catalyst, and the aluminum gets eaten away ...		 1-4-2007 at 16:02
by: bio2
Suitable Membrane/Diaphram for DIY Electrochemical Cell?
Pine wood diaphragm from Organic Synthesis.

.....Another convenient arrangement for the reduction ...		 1-4-2007 at 13:04
by: bio2
Using [Cu(Cl)4]2- to activate Al for reductions
.....The most reasonnable path would be reacting the Al with the complex (I can't figure the reactio ...		 26-3-2007 at 13:26
by: bio2
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