Figure 1From: Characterization of black pigment used in 30 BC fresco wall paint using instrumental methods and chemometryTG and DTG curves of powdered standard black pigments purchased in specialized shops: (a) black-ivory; (b) black-carbon (P); (c) black-carbon (Z); (d) black-wine; (e) black-Ivory- (VS) considered unknown black pigment sample.Back to article page