Fig. 6
Left column: PXRD diffractograms of varying % (w/w) amounts of zinc oxalate dispersed in linseed oil with 5% (w/w) Siccative de Haarlem. Right column: PXRD diffractograms of ZnC2O4·2H2O, ZnO and ZnO in linseed oil (B/P = 30) after treatment in the Weather-O-Meter for 300 h and RH = 80%. A close-up of the latter diffractogram is also shown, with arrows indicating characteristic zinc oxalate reflections