Positive Material Identification
X-ray fluorescence is one of the methods for PMI. The equipment contains radioactive sources or a low voltage x-ray generator, which sends out radiation. The exposed material then sends temporarily element specific radiation back, generating energy. As every element has its own atomic structure, this reflection will generate a different energy level for every element.
This energy is measured and detected, thus identifying the alloy elements. The disengaged radiation is very low and extra safety means are not necessary.
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