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  • Visible spectrophotometer / UV / NIR / benchtop

Article: 00126810

Visible spectrophotometer / UV / NIR / benchtop

This spectrophotometer system permits absolute measurement of reflectance, transmission, absorption, optical density, scatter, and emission by various measuring means with highly resolved wide ranging UV VIS IR illumination and detection. This is a unique system for many types of samples and specimens.

The excitation 0.67 m focal length monochromator, Model 207, uses a variety of components to permit beam shaping and wavelength choice through multiple ports. Beam condensing, collimation, focusing, and variable bandpass is given. An optional prism predisperser, Model 608, before the primary spectrometer can be employed for order sorting. A secondary port also allows the introduction of continuous broad band radiation to the sample chamber. A quantum counter reference is situated at the entrance beam providing a means to compute corrected spectra.

The sample chamber has kinematic provisions for placement of various holders and manipulators. The support system holding the excitation and emission monochromators can be rotated about the sample chamber center to allow unlimited choice of incident angle. It is possible to measure "straight through" transmission or reflectance from a grazing angle of 179° to a normal incidence angle of 10°. A goniometric sample manipulator is installed for absorption, optical density, reflection and transmission applications. This manipulator is roll, pitch, yaw, and x-axis adjustable and accommodates odd shaped samples. Integration type measurements are accomplished with an insertable integrating sphere assembly. An annular accessory lends itself to the study of spectrofluorescence and scatter.

Specifications

  • Spectrum: visible, UV, NIR
  • Mounting: benchtop
  • Other characteristics: reflectance, double-beam

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