The Study on the Decolorization and Properties of Bismuth Glass

Figure 7

Curves of the transmittance for (80−x)B₂O₃–xBi₂O₃–10P₂O₅–10ZnO glasses: (a) x = 40 mol%; (b) x = 45 mol%; (c) appearance of the glass samples.

(a)

(b)

(c)