Buffer solution

General description
A phosphate buffer, it is gravimetrically prepared using high-quality salts in high-purity water. The pH 7.00 of this potassium dihydrogen phosphate/disodium hydrogen phosphate is measured using a combined glass electrode following a 5-point calibration method, in accordance with DIN 19268, against certified primary reference standards as per DIN 19266.
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Application
It is used in analytical procedures for the calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.
Features and Benefits
Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
Traceable to SRMs from NIST and primary certified reference standards from PTB
Ready-to-use solution available in a sealed bottle and an innovative Titripac® packaging for a positive environmental impact due to reduced waste generation
Accompanied with a detailed certificate of analysis (CoA) for an effective audit
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany