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v2rev 12022-06-28IEV 114-01-21

pH value

0112/2///61987#ABN617

number quantifying the acidic or the alkaline character of a solution, equal to the negative of the decimal logarithm of ion activity aH+ of the hydrogen cation H+

Used by classes
2
property
Code
ABN617
Data type
REAL_TYPE
Used by classes (2)

Version history2#

  1. Current rev 01
    28 Jun 2022 · 13:01 UTC by BATCH 00000794
    View on cdd.iec.ch ↗
  2. superseded rev 01
    24 Feb 2020 · 12:37 UTC by BATCH 00000778
    ↓ Version JSON
    View on cdd.iec.ch ↗

IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.

Metadata#

Source document
IEV 114-01-21
Version
2
Revision
1
Status
Standard
Publisher
IEC
Published in
IEC 61987
Responsible committee
IEC SC65E
Change request
C00112
Dates
  • Current version: 2022-06-28
  • Current revision: 2022-06-28