Dear customers,
Currently, the printing and shipping of print documents (standards and publications) are delayed.
If available, you may also order the document in digital download format; it is usually available within a few minutes (or within one business day at the latest if manual review is required).
To convert an existing order, please email international@dinmedia.de, including your order number or customer number.
We apologize for the inconvenience and thank you for your patience.
Your DIN Media
Standard [WITHDRAWN]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
This document has been prepared by Working Committee NA 062-09-21 AA "pH-Messtechnik" ("pH measurement technique") at the DIN Standards Committee Materials Testing (NMP). This document specifies reference buffer solutions for the calibration of pH measuring equipment.
This document replaces DIN 19266:2000-01 .
This document has been replaced by: DIN 19266:2026-03 .