40.99 Full report circulated: DIS approved for registration as FDIS May 13, 2026
ISO
ISO/TC 30/SC 5 Velocity and mass methods
International Standard
17.120.10 Flow in closed conduits
This document describes the radioactive tracer method for measurement of residence time distribution (RTD) of material in industrial process equipment.
IN_DEVELOPMENT
ISO/DIS 25056
40.99
Full report circulated: DIS approved for registration as FDIS
May 13, 2026