Equipment: Perkin Elmer Lambda 950
Technique: UV-Vis-NIR Spectrometer
Contact person (UNINOVA): Pedro Barquinha (pmcb@fct.unl.pt), Ana Rovisco (a.rovisco@fct.unl.pt)
Responsible: Alexandra Gonçalves (amfg@fct.unl.pt)
Description: The Lambda 950 is a UV/VIS/NIR high-performance double-beam dual monochromator spectrometer with microcomputer electronics. Its wavelength range extends from 3300 to 175nm. Spectral band width in the UV/VIS range is from 0.05 to 5.00 nm and from 0.2 to 20.00 nm in the NIR range.
Specifications:
- Principle: Double-beam, double monochromator, ratio recording spectrophotometer
- Detector: Photomultiplier (UV/Vis)
- Peltier Controlled
- PbS (NIR)
- UV/Vis Resolution: ≤ 0.05 nm
- NIR Resolution: ≤ 0.20 nm
- Stray light at 220 nm: ≤ 0.00007 %T
- Photometric Range: 8ª
- Type R 6872 photomultiplier detector for UV/VIS range
- PbS detector type OTC-21-73 for NIR range
- Pre-adjusted D2 lamp for the UV range and a halogen lamp for the VIS and NIR ranges
