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ISO 910:1977

Sulphuric acid and oleum for industrial use -- Determination of total acidity, and calculation of free sulphur trioxide content of oleum -- Titrimetric method
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ISO 910:1977

Sulphuric acid and oleum for industrial use -- Determination of total acidity, and calculation of free sulphur trioxide content of oleum -- Titrimetric method

PUBLISH DATE 1977
ISO 910:1977

Two cases are considered: sulphuric acid contents equal to or lower than 98 % (m/m) and sulphuric acid contents higher than 98 % (m/m). The principle is based on oxidation of a test portion with hydrogen peroxide and titration of the total acidity with a standard volumetric sodium hydroxide solution, in the presence of methyl red as indicator. - Replaces ISO Recommendation R 910-1968.

SDO ISO: International Organization for Standardization
Document Number ISO 910
Publication Date Nov. 15, 1977
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 47
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