• The conditions to determine Se and te directly and simultaneously with hydride AFS is studied. A method suitable for determination of trace Se and te in general geological sample is worker out.

    研究采用氢化物原子荧光法同时进行直接测定条件,拟定了适合一般地质样品中痕量碲的分析方法

    youdao

  • After the treatment with NaSO_3 and hydrochloric acid, 99% Se, 93% As, 80% Sn and 87.5% Cu are removed from the raw powdered-tellurium, and the powders of 99.669% te are prepared.

    还原所得粗亚硫酸钠脱盐酸酸洗除杂处理,硒、的脱出率分别达到99%、93%、80%、87.5%,得到含碲99.669%的金属碲粉。

    youdao

  • After the treatment with NaSO_3 and hydrochloric acid, 99% Se, 93% As, 80% Sn and 87.5% Cu are removed from the raw powdered-tellurium, and the powders of 99.669% te are prepared.

    还原所得粗亚硫酸钠脱盐酸酸洗除杂处理,硒、的脱出率分别达到99%、93%、80%、87.5%,得到含碲99.669%的金属碲粉。

    youdao

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