What is X-Ray Fluorescence (XRF) screening, and which products should be tested?


Written by: Jean Champlain, Operations Manager, Pro QC International The X-Ray Fluorescence materials analyzer provides Positive Material Identification (PMI) to establish the value of precious metal jewelry by providing a very accurate assay of the metallic composition for appraisals. A portable XRF provides nondestructive testing at any location and is fast, affordable, and unobtrusive. It yields critical atomic composition data for most elements and compounds. Within minutes, the XRF can evaluate samples for Platinum (Pt), Gold (Au), Silver (Ag), Lead (Pb) and Copper (Cu). Fool's Gold (Iron Pyrite) will be discovered in seconds without the noxious release of Hydrogen Sulfide. XRF screening is used for a variety of products, such as jewelry for valuation and to evaluate products from components to toys for Health, Safety and Environmental impacts (HS&E).

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