Objavljen
The method consists in treating of the total ash (obtained as described in ISO 1575) with hydrochloric acid solution, filtrating, igniting and weighing of the residue.
POVUČEN
ISO 1577:1980
OBJAVLJEN
ISO 1577:1987
90.93
Odluka o potvrđivanju standarda
19. 12. 2025.
Čaj - Određivanje pepela nerastvorljivog u kiselini (identičan sa ISO 1577:1987)
90.93 Odluka o potvrđivanju standarda