Erratum: Corrigendum to: “Non-invasive in situ analytical techniques working in synergy: The application on graduals held in the Certosa di Pavia” (Microchemical Journal (2016) 126 (172–180) (S0026265X15003367) (10.1016/j.microc.2015.12.001))

The authors regret that in the paper Fig. 5 is erroneously identical to Fig. 4. The correct Fig. 5 is reported below. The caption is reported again even if it was already correct in the published paper. The authors would like to apologize for any inconvenience caused. Fig. 5 a) micro-Raman spectrum of brochantite; b) micro-Raman spectrum of posnjakite; c) micro-Raman spectrum of a green area on codex 822 1R.