Standard [WITHDRAWN]
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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This document has been replaced by: DIN 19266:2026-03 .