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ISO 23497:2019

Determination of pH value — Technical buffer solutions for the calibration of technical measuring installations ISO 23497:2019

Publication date:   Jul 12, 2019

General information

60.60 Standard published   Jul 12, 2019

ISO

ISO/TC 35/SC 9 General test methods for paints and varnishes

International Standard

87.040   Paints and varnishes

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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 ISO 23496.
NOTE Annex A gives examples of technical buffer solutions.

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PUBLISHED
ISO 23497:2019
60.60 Standard published
Jul 12, 2019