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Location: Products >> Fluorescence >> Accessories >> Stopped Flow Device
F-3009 Micro Flow Stopped Flow Device
F-3009 Stopped Flow device installed on a FluoroLog 3 What is it?
  • One of the most frequently used rapid kinetics techniques.
  • Used to study fast kinetics reactions (in the millisecond timescale) between two mixed reactants.
  • Many applications in the chemistry and biochemistry fields.
    • Quenching studies
    • Energy transfers
    • Enzymes kinetics

How does it work?

Standard stopped flow schematic

  • Under pneumatic drive activation, the two small volumes of solutions are driven from high performance syringes through a high efficiency mixer.
  • The resultant mixture passes through a measurement flow cell and into a stopping syringe.
  • Just prior to stopping, a steady state flow is achieved.
  • As the solution fills the stopping syringe, the plunger hits a block, causing the flow to be stopped instantaneously.
  • Using appropriate techniques, the kinetics of the reaction can be measured in the cell.

Specifications

Dead Time: 5 ms
Mixing channel volume: ~ 2µl
Illuminated volume: 6.3 µl
Sample volume: ~ 32µl
Min. vol. per determination: < 80 µl for both reactants together
Observation path: 2 mm
Observation cell: Kel-F™
Fill-syringe volume: 5ml
Windows:
  • 2 mm diameter
  • Fused silica (UV-VIS)
Temperature control:
  • optional external bath (F-1001)
  • T° range: 10 - 45°C
  • Thermometer well: 60 mm long
Maximum pressure for pneumatic control: 90 psi (0.62 MPa)
Dimensions and Weight:
  • 15 cm x 46 cm x 33 cm (width x length x height)
  • 5.9 Kg
Includes:
  • Trigger box (Trig-15/25)
  • Special cover
 











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