User Manual

Chapter 3: Getting Started
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13
Acids
Bases Solvents
COMPONENT MATERIAL
Acetic Acid 20%
Boric Acid
Formic Acid
H
y
drobromic Acid 20%
H
y
drochloric Acid 20%
Nitric Acid 20%
Sulfuric Acid 10%
Trifluoroacetic Acid
(
TFA
)
Ammonium H
y
droxide
Acetone
Acetonitrile
Chloroform
Dimeth
y
l Formamide
Dimeth
y
l Sulfoxide
Ethanol
Eth
y
l Acetate
Hexanes
Iso
p
ro
p
onal
Methanol
Meth
y
lene Chloride
Meth
y
l t-But
y
l Ether
Toluene
Wate
r
Rotor Hub Acetal C CCDDD C D C
Chamber &
Cold Trap Lid
Acrylic CD C DD DD C D D CD D
Chamber
Epoxy coated
Aluminum
C D CD
Tubing PVC D C D D DD DD C D D D D
Lid Gasket EPDM D D C D
Cold Trap
Gasket
Neoprene D DCD D CDDD D DCD
Rotor
Anodized
Aluminum
DD
Rotor Shaft &
Cold Trap
Stainless
Steel
DD D
Bearings
High Carbon
Steel
D D DDDDD D D
C-Moderate Degradation - Questionable use
D-Severe Degradation - Infrequent use recommended - immediate thorough
neutralizing and cleaning is required.
If a rotary vane vacuum pump is used, frequent oil changes are required.
Most compounds used in the CentriVap will degrade the oil if allowed to
enter to pump.
Diaphragm vacuum pumps sold by Labconco have wetted parts either made
from PTFE or protected by PTFE coatings and are suitable for nearly all
procedures.
When using compounds in the CentriVap that are hostile to the materials of
construction, it is imperative that the equipment is appropriately maintained.
After each run, clean up all residues, spills and materials that might have
splashed in the chamber.
Drain the Cold Trap immediately after the collected ice is melted to prevent
corrosive liquids from residing in the trap. Flush out the trap with water after
draining.
DO NOT chip ice off the Cold Trap walls as damage may occur.
DO NOT start a rotary vane pump when the Cold Trap contains any liquid.
The liquid will be drawn into the pump and will contaminate the vacuum
pump oil.