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sklademVydáno: 1976
ISO 3428:1976
ISO 3428:1976-Sodium fluoride for industrial use-Preparation and storage of test samples
Měna
| Označení normy: | ISO 3428:1976 |
| Počet stran: | 2 |
| Vydání: | 1 |
| Vydáno: | 1976 |
Popis
ISO 3428:1976
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.