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Fig. 9 | Heritage Science

Fig. 9

From: Facilitating the conservation treatment of Eva Hesse’s Addendum through practice-based research, including a comparative evaluation of novel cleaning systems

Fig. 9

FTIR-2D mapping at 1260 cm−1 (silicon-methyl stretching) for pristine area (i.e. unsoiled and untreated area) (bottom row, a and b), and area cleaned with Shin-Etsu KSG 3500z emulsifier (top row, c and d). The corresponding FTIR spectra are shown in the right panel; each spectrum relates to a single pixel (5 × 5 µm2) of the corresponding 2D imaging map. Image © Tate and CSGI

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