Identification of dyes in toned and tinted XX century cinematographic films by surface enhanced Raman spectroscopy
C. Lofrumento et al. «JOURNAL OF RAMAN SPECTROSCOPY», Volume 47, pp. 337 - 344 Keywords: Cinematographic film, Silver nanoparticles (AgNPs), RAMAN Spectroscopy, Colouring process and dyes, Tinted frames, Iodine derivative