Objavljen
A semiquantitative method for the determination of the amount of free phenols in phenolic mouldings. Hot water extraction of free phenols from a powdered test portion, iodination of the water extract and backtitration of the excess of iodine with standard volumetric thiosulfate solution.
OBJAVLJEN
ISO 119:1977
90.93
Odluka o potvrđivanju standarda
18. 6. 2025.
Plastične mase — Fenol-formaldehidni otpresci — Određivanje slobodnih fenola — Jodometrijska metoda
60.60 Standard objavljen