研究以辉锑精矿为原料、经氯化浸出-氧化-水解-加碱合成制取焦锑酸钠的工艺。

The synthesis of sodium antimonate from antimony concentrates by chloridizing leaching-oxidation and hydrolysis decomposition-alkali synthesis process is investigated.

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氟碳铈矿纯碱焙烧低酸浸出，在还原条件下直接用盐酸浸出制取工业氯化稀土。

The reductive extraction method of bastnasite baked by sodium carbonate and low acidity HCI leaching for making rare earth chloride is reported.

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分析了还原剂、温度和时间对锶浸出率的影响，研究了氯化锶溶液中脱除杂质的方法和效果。

The effect of reducing agent, temperature and time on leaching of strontium are investigated, and the method for purification of strontium chloride solution is also studied.

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