# ISO 9555-2:1992 — Withdrawn and superseded ISO standards For ISO 9555-2:1992, item title is Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 2: Radioactive tracers; status code is 9599; successor is ISO/WD 23607; withdrawn / published date is 1992-11-12, recorded from its source on 2026-08-05. - **Identifier:** ISO 9555-2:1992 _(verified: appears in the quote below)_ - **Item title:** Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 2: Radioactive tracers _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/WD 23607 - **Withdrawn / published date:** 1992-11-12 _(verified: appears in the quote below)_ ## What the source says > 4641,IS,,ISO 9555-2:1992,Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 2: Radioactive tracers,Mesure de débit des liquides dans les canaux découverts — Méthodes de dilution en régime permanent utilisant des traceurs — Partie 2: Traceurs radioactifs,1992-11-12,1,['17.120.20'],ISO/TC 113,9599,,[76391],"['en','fr']",11,"
Describes the tracers used (bromine 82, tritium, iodine 131, indium 113 m, cesium 131, ytterbium 168), the tracer measurement (principle, field measurement and laboratory measurements), environmental factors affecting tracers, techniques for tracer injection, sampling techniques, estimation of uncertainties.