Fig. 3From: Safeguarding our dentistry heritage: a study of the history and conservation of nineteenth–twentieth century denturesRaman spectra of celluloid (cellulose nitrate + camphor) dentures acquired with handheld Raman, using different acquisition times: JUSTI 24, 14 s acquisition time; MGM-09686 (denture 1 (black) and 2 (blue)), 3.5 s; 2002.99.5780, 6 s; SSW21, 10 s. Vermilion and phthalate peaks are highlighted in red and green, respectivelyBack to article page