HORIBA - SFA-20 Stopped Flow Device
The SFA-20/SPEX series of stopped-flow rapid-kinetics accessories offers versatility for spectroscopic monitoring of fast reactions in solution.
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Features of SFA-20 Stopped Flow Device
- Dead time < 8 ms * Observation cell optimized for best performance with SPEX® instruments * Integrates into any current SPEX® fluorescence system * Multi-mixing ability * Flexible thermostat format * Sample’s path constructed of chemically inert Kel-F™, silica, Teflon®, and glass * Crush-resistant flexible umbilical
General Specifications
There are no General Specifications available.
Additional Specifications
Dead Time:
<8 ms
Dead Volume:
700 µL (SFA-20 and SFA-20mx); 350 µL (SFA-20M and SFA-20mxM)
Window Sizes:
3 mm wide
Flow cell's beam height:
15 mm from base of cell to center of window
Min. vol. per determination:
100 µL per reactant
Observation path:
3 mm for excitation and 3 mm for emission
Observation cell:
Silica
Fill-syringe volume:
5mL
Windows:
3 mm wide x 10 mm high for excitation and emission, specifically designed for FluoroMax® and FluoroLog® instruments
Adjustable stop volume:
Available
Mixing ratio:
Up to 20:1
Temperature range:
5 - 80°C
Piston Drive:
Manual drive is standard; Pneumatic control optional. We recommend, however, the SFA-20mx/SPEX and SFA-20mxM/SPEX Umbilical length = 600 mm (SFA-20/SPEX and SFA-20mx/SPEX); 300 mm (SFA-20M/SPEX and SFA-20mxM/SPEX); other lengths on request
Drive syringes:
2.5 mL for SFA-20/SPEX; 1 mL for other models High-efficiency T-format mixer: Available for SFA-20/SPEX and SFA-20M/SPEX; 10 µL delay available for SFA-20mx/SPEX and SFA-20mxM/SPEX; longer delays upon request