Fig. 7

Leaching by weigh in different solvents, reproduced from Stolow [87]. Film (i): open pot stand oil, 30 weeks at 32 \(^\circ \text {C}\), methanol; film (ii): vacuum stand oil and 0.5% lead naphthenate, 30 weeks at 32 \(^\circ \text {C}\), methanol; film (iii): open pot stand oil, 17 h at 80 \(^\circ \text {C}\), acetone; film (iv): open pot stand oil and white lead pigment (81 wt%), 46 weeks at 32 \(^\circ \text {C}\), methanol