A UV-Vis spectrophotometer is used to determine the absorption of light from a sample and can be used as a detector for HPLC. A sample is placed in the UV/VIS beam and absorbance versus wavelength is measured. A double beam spectrophotometer utilizes two beams of light: a reference beam and a sampling beam that passes through the sample. Some double beam spectrophotometers have two detectors that allow the two beams to be measured at one time.
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JASCO
- UV-Visible
- 190 to 1,100 nm
- ±0.2 nm (at 656.1 nm)
- Halogen lamp, Deuterium lamp
JASCO
- UV-Visible
- 190 to 900 nm
- ±0.2 nm (at 656.1 nm)
- Halogen lamp, Deuterium lamp
JASCO
- UV-Visible
- 187 to 900 nm
- ±0.1 nm (at 656.1 nm)
- Halogen lamp, Deuterium lamp
JASCO
- UV-Visible/NIR
- 190 to 2,700 nm (3,200 nm, option)
- ±0.3 nm (at 656.1 nm)
± 1.5 nm (at 1312.2 nm) - Halogen lamp, Deuterium lamp
JASCO
- UV-Visible/NIR
- 190 to 1,600 nm
- ±0.3 nm (at 656.1 nm)
± 1.0 nm (at 1312.2 nm) - Halogen lamp, Deuterium lamp
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