Abstract: the iodine is extracted from fluorosilicic acid solution by carbon tetrachloride after the iodine ion is oxidized to the free iodine. The oxidant B is adopted through sifting oxidants.

• 摘要对氟硅酸提碘过程的氧化剂进行选择研究，结果表明，对碘回收率而言氧化剂B较好。