20.20 31. 3. 2026.
ISO
ISO/TC 345
Међународни стандард
This document specifies the principle, test procedure, precision and test report of the method for the determination of trace metal element content in graphite materials.
This document applies to the testing of trace metals (e.g. nickel, cobalt, iron, copper, zinc, manganese and chromium) in graphite materials.
ПРОЈЕКАТ
ISO/WD 25840
20.20
Почетак рада на преднацрту стандарда
31. 3. 2026.