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By using stibnite direct preparation of sodium pyroantimonate the new process andobtained.
介绍以辉锑矿为原料直接制备焦锑酸钠的新工艺.
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Also discussed in this paper the advantages and disadvantages of the direct preparation process.
从配方参数的角度讨论了直接合成法的优缺点及应用前景.
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