UV-VIS Standard 6: holmium oxide solution ยี่ห้อ Sigma

DESCRIPTION

Application

UV-VIS Standard 6: holmium oxide solution as a reference material for checking the wavelength of spectrophotometers in accordance with European Pharmacopoeia (Ph. Eur.) chapter 2.2.25, U.S. Pharmacopeia (USP) 851, and American Society for Testing and Materials (ASTM) E 275.

Features and Benefits

·      It is a 40 g/L solution of holmium oxide in a solution of perchloric acid containing 141 g/L of HClO₄

·      Conveniently packed in 10 mL glass ampules. Each box includes 3 single-use ampules

·      Stable solutions in glass ampoules

·      Accreditation according to ISO 17025

·      Traceability to standard reference material from the National Institute of Standards and Technology (NIST) and Physical-Technical Institute (PTB)

·      Includes a certificate of analysis (CoA)

·      Reliable and reproducible results