ISO 1619:1976

Cryolite, natural and artificial — Preparation and storage of test samples

OVERVIEW

Specifies the procedure for the preparation of crude samples and dried samples and of natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The crude sample is intended for the determination of geometric characteristics, for certain physical and physico-chemical tests and for moisture determination. The dried sample serves especially for chemical tests. The principle of the procedure consists in grinding followed by sieving of the sample until the whole passes through a sieve of mesh aperture 0,125 mm. Thorough mixing and drying at approximately 110 °C.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 1976
No. of Pages 2
ICS Classification 71.060.50 Salts
Committee ISO/TC 226
Available for Purchase For sale in Singapore only
Adoption ISO