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ISO 5523:1981

Liquid fruit and vegetable products — Determination of sulphur dioxide content (Routine method)
1. 8. 1981.

Опште информације

90.93     29. 3. 2023.

ISO

ISO/TC 34/SC 3

Međunarodni standard

67.080.01  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

The determination of free sulphur dioxide consists in direkt iodometric titration of the product at a pH between 0,7 and 1, followed by blank titration of the product, freed from sulphur dioxide by boiling under reflux or by binding its free sulphur dioxide content with an exess of acetaldehyde or propioaldehyde. The bond sulphur dioxide is determined after titration of free compound, rendering of the produkt alkaline and titration of the sulphur dioxideliberated by hydrolysis with iodine in an acid medium.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 5523:1981
90.93 Odluka o potvrđivanju standarda
29. 3. 2023.

REVIDIRAN OD

NAPUŠTEN
ISO/WD 5523

Nacionalna preuzimanja

SRPS ISO 5523:2003  
ISS

Tečni proizvodi od voća i povrća - Određivanje sadržaja sumpor-dioksida (Rutinska metoda)

90.93   Odluka o potvrđivanju standarda

E034-3 Saznaj više