If you're in the market for a portable, handheld metal analyzer, the first fact you need to know is this: "There's no portable piece of equipment that can do it all," asserts one analyzer manufacturer. "There isn't one technology that's a panacea." There are two technologies, in fact, that are used most commonly for analyzing materials in scrap facilities-X-ray fluorescence (XRF) and optical-emission spectrometry (OES). Both technologies are useful in scrap-analysis tasks, though they differ in the elements they can identify effectively. OES, for instance, can reportedly analyze a broader range of elements, particularly light elements such as aluminum, aluminum alloys, silicon, carbon, and magnesium.
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