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SRPS H.B8.640:1981

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

Oct 28, 1981
Oct 28, 1981
95.99   Withdrawal of Standard   Apr 29, 2015

General information

95.99     Apr 29, 2015

ISS

H047

International Standard

71.060.30  

Serbian  

Standard je preispitan i potvrđen u maju 2012. godine.

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Scope

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.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.640:1981
95.99 Withdrawal of Standard
Apr 29, 2015

REVISED BY

PUBLISHED
SRPS ISO 3423:2015

Related project

Adopted from ISO 3423:1975