Norm

ISO 3423:1975 en

Sulphuric acid and oleums for industrial use - Determination of sulphur dioxide content - Iodometric method

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-11-1975
Taal Engels
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.

Details

ICS-code 71.060.30
Nederlandse titel Sulphuric acid and oleums for industrial use - Determination of sulphur dioxide content - Iodometric method
Engelse titel Sulphuric acid and oleums for industrial use - Determination of sulphur dioxide content - Iodometric method

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