ISO 23497:2019
ISO 23497:2019
Determination of pH value - Technical buffer solutions for the calibration of technical measuring installationsstandard by International Organization for Standardization, 07/01/2019
standard by International Organization for Standardization, 07/01/2019
ISO 23497:2019 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 ISO 23496.
NOTE Annex A gives examples of technical buffer solutions.