• This paper describes the atomic absorption method in which the pyrogallol is used as releasing agent to assay directly the trace amount of calcium in calcium tungstate in air-acetylene flame.

    本文选用(?)酚释放空气—乙炔火焰中直接测定钨酸中的微量

    youdao

  • This paper describes the atomic absorption method in which the pyrogallol is used as releasing agent to assay directly the trace amount of calcium in calcium tungstate in air-acetylene flame.

    本文选用(?)酚释放空气—乙炔火焰中直接测定钨酸中的微量

    youdao

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