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ISO/CD 6140

Aluminium ores — Preparation of samples

General information

30.99     Jul 6, 2026

ISO

ISO/TC 79/SC 12

International Standard

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6140:1991

NOW

PROJECT
ISO/CD 6140
30.99 CD approved for registration as DIS
Jul 6, 2026