ISO-3428 › Sodium fluoride for industrial use -- Preparation and storage of test samples
ISO-3428
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1ST EDITION
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CURRENT
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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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Document Number
ISO 3428:1976
Revision Level
1ST EDITION
Status
Current
Publication Date
April 1, 1976
Committee Number
ISO TC 47