Certipur® Secondary Reference Materials for Redox Titration


Merck’s Certipur® product range of volumetric standards includes three secondary reference materials for redox titration: iron(II)ethylenediammonium sulfate, potassium dichromate, and di-sodium oxalate. All are very pure and stable solid substances perfectly suitable for your redox titration applications. These Certipur® volumetric standards are manufactured and extensively tested in compliance with the reagents parts of the U.S. Pharmacopoeias and measured with the highest possible precision by our DIN EN ISO/IEC 17025 accredited calibration lab. They are directly traceable to standard reference materials from NIST as documented in the comprehensive, batch-specific Certificate of Analysis prepared for each product.

Catalog Number Catalog Name
102402 Hierro(II)-etilendiamonio sulfato
102403 Potasio dicromato
102407 di-Sodio oxalato
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