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Figure 1 | Heritage Science

Figure 1

From: Methodology for infrared spectroscopy analysis of sandwich multilayer samples of historical materials

Figure 1

Multilayer sample pressed twice in a KBr pellet. Scheme (left): First the multilayer sample is pressed into the flat KBr pellet. The middle part of the pellet is precisely cut by two parallel cuts. This part is pressed again into the new pellet, perpendicularly to the direction of compression of the original pellet; Microscopic image of the sample of paint-layers of historical railway car in KBr pellet (right).

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