Glass samples | Chemical composition | Composition of glasses in the ternary diagram |
S1 | 35 Na2O∙8 PbO∙2Cr2O3∙55 P2O5 | 0.044 (Cr2O3-P2O5)∙0.778 (Na2O-P2O5)∙0.178 (PbOP2O5) |
S2 | 25 Na2O∙18 PbO∙2Cr2O3∙55 P2O5 | 0.044 (Cr2O3-P2O5)∙0.556 (Na2O-P2O5)∙0.4 (PbO-P2O5) |
S3 | 15 Na2O∙28 PbO∙2Cr2O3∙55 P2O5 | 0.044 (Cr2O3-P2O5)∙0.333 (Na2O-P2O5)∙0.622 (PbO-P2O5) |
S4 | 5 Na2O∙38 PbO∙2Cr2O3∙55 P2O5 | 0.044 (Cr2O3-P2O5)∙0.111 (Na2O-P2O5)∙0.845 (PbO-P2O5) |