Secondary standards for calibrating spectrophotometers

Secondary standards for calibrating spectrophotometers
To maintain constant good measurement results, a regular review of the accuracy of the spectrophotometer is required. With the use of certified reference materials from Hellma Analytics, you make sure that your equipment qualifications meet the requirements of the pharmacopoeias and fulfill your internal quality requirements, at the same time you reach the international comparability of your measurement results. The certified reference materials (calibration standards) of the DIN EN ISO 17025 accredited Hellma Analytics calibration laboratory are traceable to the primary standards of NIST (National Institute of Standards and Technology) and meet the requirements of the major pharmacopoeias (e.g. EP, DAB, USP).
Your benefits:
-High quality of the measurement results
-International comparability of measurement results
-Meeting the requirements of the major pharmacopoeias (EP, DAB, USP)
-Results traceable to NIST primary standards
-30 years warranty on the reference materials
Scope of delivery:
-Certified reference materials (Calibration Standards) in quality storage box
-DAkkS Calibration Certificate (DIN 17025)
-Handling guidelines
Check the wavelength accuracy

Tuotekoodi Valmistaja Nimi Type Description Wavelength (nm)
4670729 667025
Hellma GmbH & Co. KG
Calibration standard 667-UV25EPUSP
1
667-UV25EPUSP Liquid filter UV25, Didymium in Perchloric acid 329 - 864
4670730 667035
Hellma GmbH & Co. KG
Calibration standard 667-UV35
1
667-UV35 Liquid filter UV35, Rare Earth in Perchloric acid 201 - 252
6201067 666F1-339
Hellma GmbH & Co. KG
Glass filter F1, holmium oxide,
1
666-F1 Glass filter F1, Holmium oxide 279 - 638
6227666 667005
Hellma GmbH & Co. KG
Calibration standard
1
667-UV5 Liquid filter UV5, Holmium oxide in Perchloric acid 240 - 650
6286793 667045
Hellma GmbH & Co. KG
Calibration standard 667-UV45
1
667-UV45 Liquid filter UV45, Holmium oxide and Didymium in Perchloric Acid 240 - 870
6286794 666F7W-323
Hellma GmbH & Co. KG
Glass filter F7W didymium
1
666-F7W Glass filter F7, Didymium 329 - 875
7612486 666F7-323
Lab Logistics Group GmbH
Glass filter F7 didymium
certified

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