Reference number
ISO 1390-5:1977
ISO 1390-5:1977
© ISO 2024
ISO 1390-5:1977
Maleic anhydride for industrial use — Methods of test — Part 5: Determination of ash
Edition 1
1977-06
1977-06
Withdrawn
Abstract
The principle consists in burning a test portion and heating in a furnace controlled at (600 30) °C, until all carbonaceous matter has disappeared, to constant mass. The residue may be retained for the determination of iron. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.