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ISO 23668:2022

Ships and marine technology — Marine environment protection — Continuous on-board pH monitoring method

General information
Valid from 09.11.2022
Directives or regulations
None

Standard history

Status
Date
Type
Name
09.11.2022
Main
This document specifies the performance requirements and the test procedures for a pH meter used for continuous on-board monitoring using combination electrodes. The pH meter applies to measuring the pH of the following water for on-board consumption and research purposes:
a) natural seawater and freshwater,
b) freshwater produced from freshwater generators,
c) the used process water for running machinery on-board ships.
This document also specifies the method for evaluating performance, calibration, and maintenance of a pH meter used for continuous on-board monitoring.
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