ISO 911:1977 PDF
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Sulphuric acid for industrial use — Evaluation of sulphuric acid concentration by measurement of density
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.
| Edition | 1977 |
|---|---|
| Published Date | 1977 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
