Withdrawn
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.
WITHDRAWN
ISO 913:1977
95.99
Withdrawal of Standard
May 27, 2002
Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric method
95.99 Withdrawal of Standard