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Fig. 10 | Heritage Science

Fig. 10

From: Carbon dioxide snow cleaning of paper

Fig. 10

Example of Whatman filters contaminated by the Ashrae Dust a before cleaning, b after leaning by the nitrogen jet, and c after cleaning by the CO2 snow jet and by the Ivory Black d before cleaning, e after cleaning by the nitrogen jet, and f after cleaning by the CO2 snow jet

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