90.92 Standard to be revised Oct 16, 2024
ISO
ISO/TC 79/SC 12 Aluminium ores
International Standard
73.060.40 Aluminium ores
Specifies methods of treatment of gross samples and subsamples in order to preparate samples for the determination of moisture, chemical analysis and physical testing. Annex A forms an integral part of this standard. Annexes B, C, D, E and F are for information only.
PUBLISHED
ISO 6140:1991
90.92
Standard to be revised
Oct 16, 2024
IN_DEVELOPMENT
ISO/AWI 6140