JIM WEST / SCIENCE PHOTO LIBRARY JIM WEST / SCIENCE PHOTO LIBRARY
Editorial use only.
Testing for lead in children's toys. Environmental health researcher using a handheld XRF analyzer to test for lead and other toxic substances in children's toys. She is carrying out this analysis during a meeting for parents at an elementary school. The analyzer uses X-ray fluorescence spectrometry to identify the atomic composition of a material.
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