All Ultra Violet–Visible–Near Infrared (UV–Vis–NIR) Spectrometers are NOT Alike.
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All Ultra Violet–Visible–Near Infrared (UV–Vis–NIR) Spectrometers are NOT Alike.
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All Ultra Violet–Visible–Near Infrared (UV–Vis–NIR) Spectrometers are NOT Alike.
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Specifications of Current Commercially-Available UV–Vis–NIR Spectrometers
One Must Understand and Sweat the Analytical Performance Details
Optical Systems
Single Beam
Single Monochromator
Dual Single Beams
Single Monochromator
Double Beam
Single Monochromator
Double Beam
Rowland off-circle Single Monochromator
Double Beam
Double Monochromator
Double Beam
Double out-of-plane Littrow Monochromator
Double Beam
Single Czerny-Turner Monochromator
Double Beam
Double Czerny-Turner Monochromator
+ Integrating Sphere and Other Attachments
Spectral Resolution
Wavelength Ranges
0.0001 nm
240 to 760 nm
0.1 nm
380 to 800 nm
UV/Vis less than 0.05; NIR less than 0.1
190 to 840 nm
1.0 nm
200 to 1000 nm
1.5 nm
190 to 1100 nm
175 to 1800 nm
Light Sources
190 to 1600 nm
Mercury Lamp
190 to 2700 nm
Xenon Flash Lamp
190 to 3200 nm
Pulsed Xenon Flash Lamp
175 to 3300 nm
Convergent Tungsten Lamp
Tungsten-Halogen and Deuterium Lamps
Halogen and Deuterium Lamps
Price
$
$$
$$$
$$$$
Deuterium and Tungsten Lamps
Do You (Will You) Know and Understand the Details of the Instruments You Use in Your Work?
Source (5 September 2021): LabCompare.Com
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