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What is PMI Testing: XRF vs OES Methods about?

There are two main types of Positive Material Identification (PMI) testing methods: X-ray Fluorescence (XRF) and Optical Emission Spectroscopy (OES). XRF uses X-rays to excite sample atoms and emit secondary X-rays to determine composition, while OES uses a spark to excite atoms and measure light emission spectra. Both provide qualitative and quantitative analysis but XRF instruments are smaller and easier to use while OES can analyze light elements like carbon that XRF has limitations measuring and is nece

Author

fehmohd

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EN