Reference number
ISO 913:1977
ISO 913:1977
© ISO 2024
ISO 913:1977
Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric method
Edition 1
1977-11
1977-11
Retirada
Resumen
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.