30.60 13. 5. 2026.
ISO
ISO/TC 91
Međunarodni standard
The method consists in calcination of a test portion in the presence of sulphuric acid solution and weighing of the ash in form of sulphate.
OBJAVLJEN
ISO 4322:1977
PROJEKAT
ISO/CD 4322
30.60
Završetak izjašnjavanja o nacrtu komisije standarda
13. 5. 2026.