Published
The principle of the procedure consists in addition of water to a test portion, under specified conditions, and examination for opalescence against a black background with side illumination, using a second Nessler cylinder containing water as the standard. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.
Revises
ISO/R 1388:1970
PUBLISHED
ISO 1388-6:1981
90.20
Standard under periodical review
Jan 15, 2023
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