721359

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

standard by International Organization for Standardization , 11/01/1977

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Full Description

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.

 

Product Details

Published:
11/01/1977
Number of Pages:
3
File Size:
1 file , 290 KB
Note:
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