What is the IUPAC set of reference materials for Hach IUPAC buffers?

Document ID

Document ID TE8329

Version

Version 2.0

Status

Status Published

Published Date

Published Date 05/22/2018
Question
What is the IUPAC set of reference materials for Hach IUPAC buffers?
Summary
IUPAC reference materials buffers
Answer
The IUPAC reference value pH standard must be an aqueous solution of 0.05 mol potassium hydrogen phthalate per kg water which is the reference value for the definition of pH(RVS) values in the temperature range 0-95 °C.

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