Fig. 9
From: A pilot study of solvent-based cleaning of yellow ochre oil paint: effect on mechanical properties
![Fig. 9](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40494-021-00501-8/MediaObjects/40494_2021_501_Fig9_HTML.png)
Reduced storage modulus versus loss tangent of control and sponge-cleaned samples at 1 μm, where each marker shows the results of an individual test of a sample, and the dashed line is a logarithmic function fitted to all results of all five samples (n = 32)