Figure 5From: Spectroscopic techniques and the conservation of artists’ acrylic emulsion paintsNEXAFS of Migrated Surfactant. NEXAFS C (A) and O (B) K-edge spectra of Talens PY3 yellow films before (‘as prepared’) and after (‘aged’) two years of natural ageing in the dark under ambient conditions compared to a spectrum of Triton™ X-405.Back to article page