Reagecon Spectrophotometry Holmium and Didymium in Perchloric Acid UV and Visible Wavelength Standard with Blank (Ph. Eur)

Reagecon Spectrophotometry Holmium and Didymium in Perchloric Acid UV and Visible Wavelength Standard with Blank (Ph. Eur) This Spectrophotometry Standard is prepared gravimetrically on a weight/weight basis. Both solute and solvent are weighed on a balance calibrated by Reagecon engineers using OIML traceable weights. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances.