Application

It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in alkalimetric titrations, according to USP and Ph. Eur. It is also used to prepare a standard solution in determination of COD.

Features and Benefits

Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened. Certified reference material according to ISO 17034 High-purity material traceable to NIST SRMs Qualified in a DIN EN ISO/IEC 17025 accredited laboratory In accordance with the chapter reagents of USP and Ph. Eur High-quality offering accurate titer determinations Accompanied by a certificate of analysis (CoA)

General description

Potassium hydrogen phthalate, also known as KHP, is a volumetric standard manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

Legal Information

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Packaging

80 g in Glass bottle

SKU-pack size numbers ending with a '3' are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals