ISO 913:1977
$11.05
Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric method
| Published By | Publication Date | Number of Pages |
| ISO | 1977-11 | 4 |
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.
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