ISO 3423:1975
p
ISO 3423:1975
8739

Applicable of products the SO2 content of which is equal to or more than 2 mg/kg. Based on the displacement of the sulphur dioxide present in the test portion by a current of pure nitrogen and absorption in a known volume of iodine solution. Titration of the excess of iodine with standard volumetric sodium thiosulphate solution. The diagram of the glass apparatus for absorption is shown in a figure.


Informations générales 

  •  : Publiée
     : 1975-11
  •  : 1
     : 3
  •  : ISO/TC 47 Chimie
  •  :
    71.060.30 Acides

Acheter cette norme

fr
Format Langue
std 1 40 PDF
std 2 40 Papier
  • CHF40

Vous avez une question?

Consulter notre FAQ

Service à la clientèle
+41 22 749 08 88

Horaires d’ouverture:
De lundi à vendredi - 09:00-12:00, 14:00-17:00 (UTC+1)