Barnes Foundation on Instagram: "A closer look beneath the surface. 🔬🎨 Watch as our Bruker M6 Jetstream XRF spectrometer records a mosaic image before scanning Pierre-Auguste Renoir’s “The Henriot Family” (1875). A spectrometer separates and measures different parts of a spectrum—in this case, the emitted fluorescence from x-rays. The instrument excites an area with an x-ray, measures the secondary x-ray photons produced across the scanned surface, and generates detailed elemental maps of the