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氟钽酸钾的钙污染原因及除钙方法李济华（广东从化钽铌冶炼厂从化５１０９８０）从湿法冶金液－液反萃钽液中制成的氟钽酸钾（Ｋ２ＴａＦ７），其含钙量目前国内尚无标准，亦无统一的分析方法。Ｋ２ＴａＦ７作为外销商品，无论是美国或日本都将Ｋ２ＴａＦ７中的Ｃａ列为被...
Calcium Fluoro-Potassium Tantalate Cause of Calcium Contamination and Method of Calcium Removal LI JIHUA (Conghua 510480, Guangdong Conghua Tantalum-Niobium Smelter) Calcium fluorotitanate (K2TaF7) made from hydrometallurgical liquid-liquid stripping tantalum has a calcium content Currently there is no standard, there is no uniform analysis. K2TaF7 as an export product, whether the United States or Japan will K2TaF7 Ca listed as ...