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. Choose from an extensive range of glass filters, liquid filters and filter sets to check your UV/Vis-spectrophotometer according to the following parameters:

European Pharmacopoeia (Ph. Eur.) 

The latest version of the European Pharmacopoeia (EP 11), applies from 01 January 2023. The relevant EP 11 chapter 2.2.25 (Absorption spectrophotometry Ultraviolet and Visible) was not revised in the latest version. This means that the specifications from the previous EP10 continue to apply for Chapter 2.2.25. Further information on the European Pharmacopoeia can be found here » EP 11


United States Pharmacopeia (USP)

The latest version of chapter USP <857> (Ultraviolet-Visible Spectroscopy) of the United States Pharmacopeia (43rd edition) has been in effect since December 1st, 2022. Compared to the previous version, there have been some changes and innovations that we have summarized for you here » USP<857>

Webinar: Qualification of Spectrophotometers


Without performance qualification – how can your spectrometer results be trusted

Webinar: Checking the spectrophotometer and demonstrating traceability


Products of the brand:

Optical Reference Materials (Brochure & User Manual EN)



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