Reference number
ISO 3428:1976
ISO 3428:1976
© ISO 2024
ISO 3428:1976
Sodium fluoride for industrial use — Preparation and storage of test samples
Edition 1
1976-04
1976-04
Retirada
Resumen
Relates to crude samples intended for the determination of moisture content and dried samples for chemical tests. Processing by grinding and sieving until the sample passes completely through a sieve of mesh aperture 0.125 mm. Thoroughly mixing and drying and storing in a tightly closed container.