AU Biomaterials Design Lab:Equipment/UV-2550 Shimadzu
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Description
- Shimadzu UV-2550
Purpose of use
- How does this instrument work?
- What can this instrument be used for?
Location
- Beeghly 207
- American University
- Washington, DC, 20016
- access to the laboratory is restricted; see Dr. Miller, Dr. Hartings or Dr. Fox for access.
Contact
- contact with questions or to schedule access via email
Use
- How does one use this instrument.
- Include any relevant links to OWW protocols
- Include any relevant links to the manufacturer's protocols
- Note to users: you may note any troubleshooting or log your use on the talk page.
Safety
- Are there any safety considerations for this instrument?
Specifications
Setting Wavelength Range
- 190nm to 1100nm
Measurement Wavelength Range
- 190nm to 900nm, but can measure up to 1100 with choice with detector
Wavelength accuracy
- ±0.3nm
Wavelength repeatability
- ±0.1nm
Wavelength Scanning Speed
- Wavelength slew rate: about 3200nm/min
- Wavelength scan rate: about 900nm-160nm/min
- Monitor scan rate: about 2500nm/min
Wavelength setting
- At 1nm units for scan start and sea end wavelengths, and 0.1nm units for over wavelengths
Lamp Interchange wavelength
- Auto switching synchronized with wavelength, switching range selectable between 282nm-393nm (0.1nm units)
Spectral bandwidth
- 6-step switching along 0.1/0.2/0.5/1/2/5nm
Response
- Optimum response speed automatically set depending on bandwidth, minimum 0.1sec
Resolution
- 0.1nm
Stray light
- Less than 0.0003% (220nm, Nal 10g/L solution)
- Less than 0.0003% (340nm, UV-39 filter)
Photometric system
- Double-beam, direct-ratio system with dynode feedback
Photometric modes
- Absorbance(Abs.), transmittance(%), reflectance(%), energy(E)
Photometric range
- Absorbance: -4 to 5 Abs
- Transmittance, reflectance: 0.0 to 999.9%
Photometric accuracy
- ±0.002 Abs (0-0.5 Abs)
- ±0.004 Abs (0.5-1.0 Abs)
- ±0.3%T (0-100% T) filter
- Tested with NIST 903D standard
References
Useful links
