Fig. 10From: The synthesis characterization of historical novel azo pigments: implications for conservation scienceLDI-MS of the parent peaks of di-(2,5-dichloro)-Naphthol AS-G, di-(2,5-dichloro)- (4-trifluoromethyl)-Naphthol AS-G and di-(4-trifluoromethyl)-Naphthol AS-G di-Cl. Molecular formulas used for determination of intensity overlays are given to the right of each spectrumBack to article page