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For testing wavelength accuracy and photometric accuracy.
For testing the photometric accuracy.
Complete set for testing photometers according European Pharmacopeia.
Recalibration of Glass Filter 666-F1 for testing the wavelength accuracy.
For testing the photometric accuracy (0 Abs).
For testing the wavelength accuracy.
For testing wavelength accuracy, according to European Pharmacopoeia.
For testing photometric accuracy in UV and Vis range, according to European Pharmacopoeia.
For testing linearity of absorption.
For testing photometric accuracy (1.25 Abs) in the UV range.
Certified set for testing stray light.
For testing photometric accuracy (0.75 Abs) in the UV range, according to European Pharmacopoeia.