Objavljen
The principle of the method specified is extraction of soluble matter from a test portion by boiling water under reflux, filtration, washing, drying and weighing of the hot-water-insoluble residue, calculation of the water extract.
POVUČEN
ISO 9768:1990
OBJAVLJEN
ISO 9768:1994
90.93
Odluka o potvrđivanju standarda
6. 9. 2021.
OBJAVLJEN
ISO 9768:1994/Cor 1:1998
Čaj - Određivanje vodenog ekstrakta (identičan sa ISO 9768:1994)
90.93 Odluka o potvrđivanju standarda