ISO 913:1977
Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric method
Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric method
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Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric method
Based on evaporation of a test portion in a platinum dish, followed by ignition in an electric furnace, controlled at (850 50) °C, and weighing. – Replaces ISO Recommendation R 913-1968.
| Edition | 1977 |
|---|---|
| Published Date | 1977 |
| Published By | International Standardization Organisation |
| Page Count | 2 |