Spectrophotometers are used to measure the concentration of a known substance in a solution. They do this by passing a light through the substance and measuring light intensity as a function of wavelength. Either single beam or double beam spectrophotometers can be purchased. In a single beam spectrophotometer, a reference standard is used to measure light intensity before and after the sample is loaded. For double beam spectrophotometers the beam is split with one beam passing through the standard and the other through the sample to compare intensities. While single beam spectrophotometers are typically less expensive and have higher sensitivity, double beam spectrophotometers tend to be more stable and easier to use. Spectrophotometers are important pieces of equipment in chemistry, physics, biochemistry, clinical, and materials testing labs.
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Shimadzu
- Infrared Spectrophotometer
- 7,800 to 350 cm-1
- Single Beam
- 0.25, 0.5, 1, 2, 4, 8, 16 cm-1
Shimadzu
- UV VIS NIR
- 240 to 2600 nm
- Double Beam
- 0.1 nm
Shimadzu
- UV-Vis
- 190 to 1,100 nm
- Single Beam
- ±1 nm
Shimadzu
- UV/Vis
- 190 to 1100 nm
- Double beam
- 1 nm
Shimadzu
- UV/Vis
- 185 to 900 nm or 220 to 1400 nm (when the ISR-2600Plus Integrating Sphere Attachment is used)
- Double Beam, Single Monochromator
- 0.1 nm
Shimadzu
- UV/Vis
- 185 to 900 nm
- Double Beam, Double Monochromator
- 0.1 nm
Shimadzu
- UV VIS NIR
- 185 to 3,300 nm
- High-performance double monochromator
- Maximum resolution: 0.1 nm
Thermo Fisher Scientific
- UV-Visible
- 190 nm to 1100 nm
- Dual Beam
- Inquire
Thermo Fisher Scientific
- UV-Visible
- 190 to 1100 nm
- Double Beam
Thermo Fisher Scientific
- Single Cell Peltier System
- Inquire
- Inquire
- Inquire
Thermo Fisher Scientific
- UV-Visible
- 190 to 1100 nm
- Double beam with sample and reference cuvette/accessory positions
- Inquire
Thermo Fisher Scientific
- Visible
- 325 nm to 1100 nm
- Dual Beam
- Inquire
Thermo Fisher Scientific
- UV-Visible
- 190 nm to 1100 nm
- Dual Beam
- Inquire
Thermo Fisher Scientific
- UV-Visible
- 190 nm to 1100 nm
- Double Beam
- Inquire
Thermo Fisher Scientific
- Visible
- 325 nm to 1100 nm
- Dual Beam
- Inquire
Thermo Fisher Scientific
- UV-Visible
- 190 nm to 1100 nm
- Dual Beam
- Inquire
Thermo Fisher Scientific
- UV VIS Spectrophotometer
- 190 to 850 nm
- 2048-element CMOS linear image sensor
- ≤ 1.8 nm (FWHM at Hg 254 nm)
Thermo Fisher Scientific
- UV-Vis
- 230 nm, 260 nm, 280 nm
- 2048-element CMOS Linear Image Sensor
- ≤ 1.8 nm (FWHM at Hg 254 nm)
Thermo Fisher Scientific
- Microvolume UV-Vis Spectrophotometer
- 190 to 850 nm
- 2048-element CMOS Linear Image Sensor
- Inquire
Thermo Fisher Scientific
- FTIR, Laboratory
- Depends on model
- Inquire
- Better than 0.25 cm -1
Thermo Fisher Scientific
- Inquire
- 15 to 27,000 cm-1
- Inquire
- Better than 0.09 cm-1
Thermo Fisher Scientific
- FTIR, Laboratory
- 6000 to 650 cm-1
- Inquire
- Inquire
Thermo Fisher Scientific
- Inquire
- 8000 to 350 cm-1
- Inquire
- Better than 0.6 cm-1
Thermo Fisher Scientific
- Visible
- 340 to 1000 nm
- Single Beam
- Inquire
Thermo Fisher Scientific
- UV/VIS Microplate Reader
- 200 to 1000 nm with 1 nm steps
- Monochromator
- Inquire
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