Objavljen
A clear solution of the substance is titrated with a standard volumetric hydrochloric acid solution, in the presence of methyl orange or bromophenol blue as indicator. This method is only applicable when so indicated in the specific standard for each product; in particular, it is not suitable for products containing soaps.
OBJAVLJEN
ISO 4315:1977
90.93
Odluka o potvrđivanju standarda
30. 8. 2022.
Površinski aktivne materije — Određivanje alkaliteta — Titrimetrijska metoda
90.93 Odluka o potvrđivanju standarda
Površinski aktivne materije - Određivanje alkaliteta - Volumetrijska metoda
95.99 Povučen