This standard prescribes a method for determination of strength of reactive dyes ( dichlorotriazinyl type ) by dyeing test.
IS 7447-1974 history
2023ISO/DIS 7447:2023 Underwater acoustics — Measurement of radiated underwater sound from percussive pile driving — In-situ determination of the insertion loss of barrier control measures underwater
1974IS 7447-1974 Method for evaluating the strength of reactive dyes (dichlorotriazines) using dyeing tests