| You should
consider the boiling point of the solvent in use and the volume of
solvent to be distilled when selecting a KNF vacuum pump. |
| Distillation
of difficult high boiling point solvents (>110 deg. C)
Chlorobenzene, DMF, DMSO, isoamyl alcohol, xylene, or distillation of
heat-sensitive samples. |
| Pump
Model |
Flow
Rate |
End
Vacuum |
Stages |
Materials |
N842.3FTP
(KNF's Best Pump) |
34 LPM |
1.5 Torr
(29.86"Hg) |
2 |
Teflon®/Kalrez® |
| Reflux
reactions/distillation of high boiling point solvents (80-110 deg. C)
Water, heptane, isobutyl alcohol, toluene |
| N842.3FTP |
34 LPM |
1.5 Torr
(29.86"Hg) |
2 |
Teflon®/Kalrez® |
| N840.3FTP |
34 LPM |
6 Torr
(29.7"Hg) |
2 |
Teflon®/Kalrez® |
| Distillation
of medium boiling point solvents (60-80 deg. C) Acetonitrile,
benzene, chloroform, ethanol, ethyl acetate, hexane, methanol |
| N820.3FTP |
20 LPM |
6 Torr
(29.7"Hg) |
2 |
Teflon®/Kalrez® |
| N840.3FTP |
34 LPM |
6 Torr
(29.7"Hg) |
2 |
Teflon®/Kalrez® |
| Distillation
of low boiling point solvents (35-60 deg. C) Acetone, methylene
chloride, pentane |
| N820.3FTP |
20 LPM |
6 Torr
(29.7"Hg) |
2 |
Teflon®/Kalrez® |
| N840FTP |
34 LPM |
75 Torr
(27"Hg) |
1 |
Teflon®/Kalrez® |
