90.93 Standard confirmed May 17, 2022
ISO
ISO/TC 113 Hydrometry
International Standard
17.120.20 Flow in open channels
Describes the tracers used (fluorescein, rhodamine B, acid yellow 7, sulfo rhodamine B, pyranine, and rhodamine WT), the tracer measurement (principle, field measurement and laboratory measurements), environmental factors affecting tracers, techniques for tracer injection, sampling techniques, analysis and computation.
PUBLISHED
ISO 9555-4:1992
90.93
Standard confirmed
May 17, 2022
ABANDON
ISO/WD 23607