BÜCHI Labortechnik AG

- Model C-640 - Fast Compound Tracking UV/Vis Detector



With the simultaneous monitoring at four different wavelengths over the whole UV and visible range, the C-640 Detector allows you to detect and isolate your compounds using the Sepacore Flash Chromatography systems.


  • Detects most compounds in a broad wavelength range at 200 – 840 nm
  • Saves time by simultaneously monitoring four wavelengths
  • Locates your compound at any time with a UV-Vis scan (using SepacoreControl software)


  • Adjusts the flow cell path length according to the amount of sample
  • Designed for: analytical HPLC, preparative HPLC and flash chromatography


  • Easy integration in any system configuration
  • Very compact unit
  • Stand-alone or computer control

  • Wavelength range: 200 – 840 nm
  • Typical spectral half width: 10 nm
  • Accuracy of adjustment: ± 1 nm
  • Light source: Deuterium discharge lamp / halogen lamp
  • Maximum flow rate: 500 mL/min
  • Maximum pressure at the cell: 20 bar (290 psi)
  • Interface: RS232


SepacoreRecord software

Software package for data acquisition and storage including programmable functions such as peak tracking or combination of fractions.

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