4. Scintillator Pump
FlowStar2 LB 514
42
4.3 Mixers
There are 2 different types of mixers available. The t-mixer and a static
mixer using 2 different cartridges (50 and 150µl).
Both mixers are used to mix the scintillator flow coming from the pump with
the eluate flow.
Due to better mixing capabilities the use of a static mixer is recommended
when working with non toxic liquid scintillators.
The pump outlet of the liquid scintillation pump connects to one of the inlets
of the mixer. The eluate inlet (usually the tubing coming from the HPLC UV
detector) connects to the outher inlet.
The mixer oulet connects to the inlet of the FlowStar² measuring cell. The
T-mixer has a special capillary at the outlet, the static mixer uses standard
tubing (
OD 1/16”, ID 0.5mm)
The static mixer consists of 3 parts:
Lower housing (inlets are located here)
Upper housing (outlet)
Cartridge (50 or 150µl)
When using the static mixer, assemble the unit by inserting the cartridge
into the lower housing part and close it tight with the upper housing. The
in- and outlet connections can be found on the image above.
To avoid mixing problems remove and clean the cartridge after a while in
an ultrasolic bath.
Outlet
Inlet
Inlet
Cartridge
Inlet
Inlet
Outlet
Static Mixer
T- Mixer
