Table 1 Mass of the different pigments mixed with 0.45 g of oil binder and calculated experimental binder to pigment (B/Pexp) ratios ensuring equimolar metallic cation (ncation) concentrations in the formulated paint films
Pigment | Formula | Mw (g/mol) | m(g) pigment in 0.45 g oil | npigment (mmol) | ncation (mmol) | B/Pexp | B/Pref [24] |
|---|---|---|---|---|---|---|---|
Zinc white | ZnO | 81.4 | 0.49 | 6.0 | 6.0 | 92 | 30 |
Lead white | 2PbCO3·Pb(OH)2 | 775.6 | 1.55 | 2.0 | 6.0 | 29 | 10–15 |
Calcite | CaCO3 | 100.1 | 0.60 | 6.0 | 6.0 | 75 | – |
Cobalt violet | Co3(PO4)2 | 366.7 | 0.73 | 2.0 | 6.0 | 61 | 20–25 |
Verdigris | Cu(CH3COO)2·H2O | 199.7 | 1.20 | 6.0 | 6.0 | 38 | – |
Cadmium yellow | CdS | 144.5 | 0.87 | 6.0 | 6.0 | 52 | 30 |
Chrome yellow | PbCrO4 | 323.2 | 1.94 | 6.0 | 6.0 | 23 | 20 |
Zinc yellow | KZn2(CrO4)2(H3O2) | 436.9 | 0.87 | 2.0 | 6.0 | 52 | 25–30 |