POPART – Cleaning research procedure Cleaning techniques: Mechanical (cleaning materials) Aqueous cleaning agents Solvent cleaning agents Evaluation: Stability (ability to induce changes =“least damaging”) Effectiveness at removing soiling Cellulose acetate (CA) pristine uncoloured transparent test sample Techniques to evaluate changes: Visual observation Microscopy Contact angle measurements Gloss measurements
POPART – Cleaning project (2008-2011) “Least damaging” and most effective at removing soil materials and agents: Suitable cleaning materials and agents Decision-based flow chart To be continued…….