HomeStandardsColour Reference and Spectroscopy StandardsVWR®, Holmium perchlorate standard solution for wavelength calibration of spectophotometers, Reag. Ph. Eur
Supplier: VWR Chemicals
Supplier: WTW
Supplier: METTLER TOLEDO
Supplier: Merck
Supplier: VWR Collection
Supplier: EPPENDORF