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ISO 3423:1975
ISO 3423:1975 Sulphuric acid and oleums for industrial use – Determination of sulphur dioxide content – Iodometric method
CDN $76.00
Description
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.
Edition
1
Published Date
1975-11-01
Status
PUBLISHED
Pages
3
Language
English
Format
Secure PDF
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Abstract
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.
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