Objavljen
The method is applicable to products having aldehyde contents in the range 0.00025 % (m/m) to 0.00125 % (m/m). The principle is based on the reaction of the aldehydes present in a test portion with Schiff reagent. Visual comparison of the colour obtained with the colours of standard colorimetric solutions containing known quantities of acetaldehyde. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.
POVUČEN
ISO/R 1388:1970
OBJAVLJEN
ISO 1388-5:1981
90.93
Odluka o potvrđivanju standarda
29. 11. 2023.
Etanol za industrijsku upotrebu — Metode ispitivanja — Deo 5: Određivanje sadržaja aldehida — Vizuelna kolorimetrijska metoda
90.93 Odluka o potvrđivanju standarda
Etanol za industrijsku upotrebu - Određivanje sadržaja aldehida - Kolorimetrijska metoda
95.99 Povučen