HomeStandardsColour Reference and Spectroscopy StandardsVWR®, Holmium perchlorate standard solution for wavelength calibration of spectophotometers, Reag. Ph. Eur
Supplier: Merck
Supplier: EHRENSTORFER
Supplier: EPPENDORF
Supplier: REAGECON
Supplier: HORIBA
Supplier: Lovibond
Supplier: DWK Life Sciences