ISO 3428:1976
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Sodium fluoride for industrial use — Preparation and storage of test samples
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
01-02-2024
English, French
01-04-1976
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.
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