ISO 911:1977
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Sulphuric acid for industrial use Evaluation of sulphuric acid concentration by measurement of density
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
26-02-2019
English, French
01-11-1977
The principle consists in the determination of density at 20 C by means of a hydrometer. Evaluation of the corresponding sulphuric acid concentration by means of the table. - Replaces ISO Recommendation R 911-1968.
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