標準號：ISO 3428-1976
中文標準名稱：工業用氟化鈉 試驗樣品的制備和貯存
英文標準名稱：Sodium fluoride for industrial use; Preparation and storage of test samples
標準類型：G08;G04
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：G08;G04
國際標準分類號：71.060.50
適用范圍：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.