CRM Solutions

Positive Material Identification

[fa icon="calendar'] Jan 23, 2018 4:00:00 AM / by Dave Coler posted in XRF, positive material identification

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Positive material identification or PMI is the  verification of metal alloys based on their chemical composition.  This methodology is used for a wide range of applications where the grade of metal alloy used in a particular application needs to be confirmed.  PMI is used in a wide range of applications, but most commonly in industrial settings where using the wrong metal alloy grade  can result in premature corrosion or even failure creating a potentially serious safety hazard.  The chemical verification of alloys already being used in industrial applications often requires that the analysis be non -destructive and performed insitu.  This is most commonly performed using a handheld XRF unit often called a "PMI gun" or portable OES instrument.  

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