26.09.2016

Varian Cary 100

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Varian Cary 100 optical spectrometer

VarianCary100.jpg 

Varian Cary 100 optical (UV/Vis) spectrophotometer. (Picture taken by Saku Mattila.)

Name and Model (Year of Manufacture/Installation)

Varian Cary 100 Conc UV/Vis (2003/2003)

General Information

UV/Vis Spectrophotometer for analyzation and characterization of the compounds.

UV-spektrofotometri yhdisteiden analysointiin.            

Key Specifications       

Monochromator: Czerny-Turner 0.278 m
Grating: 30 x 35 mm, 1200 lines/mm, blaze angle 8.6° at 240 nm
Beam splitting system: Chopper (30+ Hz)
Detectors: R928 PMT
UV-Vis limiting resolution:  ≤ 0.24 nm
Wavelength range: 190-900 nm
Wavelength accuracy: ± 0.2 nm

Wavelength reproducibility:

  • Peak separation of repetitive scanning of a UV-Vis line source: < 0.08 nm
  • Standard deviation of 10 measurements: < 0.02 nm

Photometric accuracy:

  • Using double aperture method at 0.3 Abs: ± 0.0006 Abs
  • Using NIST 930D filters at 1 Abs: ± 0.003 Abs
  • At 0.5 Abs: ± 0.002 Abs

Photometric range: 3.7 Abs

Photometric display: ± 9.9999 Abs; ± 200.00 %T

Photometric stability (After 2 hour warm up, 500 nm, 2 nm SBW, 1 s SAT): < 0.0003 Abs/hour

Baseline flatness (200 to 850 nm, smooth 21 filter applied, baseline corrected): ± 0.001 Abs

Sample compartment / beam separation: 110 mm

Compartment size (W x D x H): 139 x 389 x 129 mm

Other specifications


Spectral bandwidth: 0.20-4.00 nm, 0.1 nm steps, motor driven

Signal averaging: 0.033 to 999 seconds

Maximum scan rate: 3000 nm/min / 37046 cm-1/min* / 30000 Å/min

*Maximum rate is dependent upon range.

Data interval: 0.02-1.67 nm / 5.541-20.6 cm-1* / 0.2-16.7 Å

*Maximum rate is dependent upon scan range.

Slew rate (changing between wavelengths): 3000 nm/min

Repetitive scanning: 1800

Maximum number of cycles: 999

Maximum cycle time: 9999 min

Key Features
  • Working range past 3.5 absorbance units eliminates sample dilution.
  • WinUV software
  • Variable slit widths for optimum control over spectral resolution.
  • Phase-locked wavelength drive prevents peak shifts and peak suppression at high scan speeds.
  • A large sample compartment with built-in accessory controller.
Location, Responsible Person

Dept. of Chemistry, F312 / Toni Kiljunen


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