ISO 1619-1976 标准详情
- 标准号:ISO 1619-1976
- 中文标题:天然和人造冰晶石-测试样品的制备和保存
- 英文标题:cryolite,natural and artificial-preparation and storage of test samples
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-09-15
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 det
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