Certified UV/Vis-Reference Materials (Calibration Standards)
Hellma Analytics reference materials for UV/Vis spectrophotometry meet internationally recognized standards (Ph. Eur., USP, DAB, GLP, DIN ISO 9001, ...) and provide the basis for safe and reliable measurement results.
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Hellma Analytics reference materials for UV/Vis spectrophotometry meet internationally recognized standards (Ph. Eur., USP, DAB, GLP, DIN ISO 9001, ...) and provide the basis for safe and reliable measurement results. Choose from an extensive range of glass filters, liquid filters and filter sets to check your UV/Vis-spectrophotometer according to the following parameters:
- Wavelength accuracy
- Photometric accuracy (absorbance)
- Photometric linearity
- Stray light
- Spectral resolution
The latest version of the European Pharmacopoeia (EP 10), applied since 01 January 2020.
The relevant EP 10 chapter, 2.2.25 Absorption spectrophotometry Ultraviolet and Visible, has undergone a comprehensive revision in the latest version. Here you will find a short summary of what's new in EP 10 Chapter 2.2.25.
