Figure 5
SEM images of a spruce sample from an18th-century French violin pretreated with 7.5% BMP-DCA/ethanol solution. (a–c) cross-section, (d) margo, and (e,f) radial section. The acceleration voltage is 5 kV.
Figure 5 | Scientific Reports
SEM images of a spruce sample from an18th-century French violin pretreated with 7.5% BMP-DCA/ethanol solution. (a–c) cross-section, (d) margo, and (e,f) radial section. The acceleration voltage is 5 kV.
