Elemental analysis device

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It is an object of the present invention to provide a portable element analyzing device able to separate the various rare earth elements of the lanthanide series, and to identify and quantify each element. The element analyzing device of the present invention includes : a vacuum chamber; a pyroelectric crystal arranged inside the vacuum chamber; a conductive stage having a sample surface facing one surface of the pyroelectric crystal, while also being connected electrically to the other surface of the pyroelectric crystal and grounded; a Peltier element for heating or cooling the pyroelectric crystal; a characteristic X-ray spectrum detecting means for detecting the characteristic X-ray spectrum emitted by the sample placed on the stage; and a fluorescence spectrum detection means for detecting the fluorescence spectrum emitted by the sample.