ISO 23497:2019
Determination of pH value — Technical buffer solutions for the calibration of technical measuring installations
- Standard No.
- ISO 23497:2019
- Release Date
- 2019
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 23497:2019
- Scope
- This document specifies requirements for technical buffer solutions. These buffer solutions are preferably used for the calibration and adjustment of technical pH measuring equipment as well as pH measuring installations in laboratories. Measuring methods are given to determine pH values and buffer capacities of such buffer solutions based on pH reference buffer solutions in accordance with NOTE Annex A gives examples of technical buffer solutions.
ISO 23497:2019 Referenced Document
- DIN 19268:2007 pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass electrodes and evaluation of measurement uncertainty
- ISO 23496 Determination of pH value — Reference buffer solutions for the calibration of pH measuring equipment
- ISO 80000-9 Quantities and units — Part 9: Physical chemistry and molecular physics — Amendment 1
ISO 23497:2019 history
- 2019 ISO 23497:2019 Determination of pH value — Technical buffer solutions for the calibration of technical measuring installations
