Dear customers,
We are saying goodbye for the Easter holidays and will be back in person for you from 22.04.2025.
Please note that new registrations and requests to be processed manually will only be processed from this date.
You can of course place orders and downloads online at any time, and our FAQs provide you with lots of helpful information.
We wish you a happy Easter!
Your DIN Media GmbH
Standard [CURRENT]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
The standards have been prepared by Working Committee NMP 921 "pH-Messtechnik" ("pH measurement technique") of NMP. DIN 19260: The standard specifies the terms "pH" and "pH value" as well as other associated terms. The definition of pH and the associated pH value in this standard is restricted to the field of aqueous solutions. The statements regarding the effect of pH in water cannot be transferred to other solvents. DIN 19261: The standard contains terms for the measurement of pH values in aqueous solutions using pH glass electrodes measurement chains. General terms of pH and the pH value are specified in DIN 19260.
This document replaces DIN 19260:2005-06 .
Corrected edition: Corrected document: Customers who purchased the previous document DIN 19260:2005-06 received free of charge