Characterization of glass beads from Nanhai I shipwreck and new evidence of lead tin yellow type II in China

Heritage Science

Table 3 Lead isotope ratios of Nanhai I shipwreck beads and Cizao porcelain

	²⁰⁷Pb/²⁰⁶Pb	²⁰⁸Pb/²⁰⁶Pb	²⁰⁶Pb/²⁰⁴Pb	²⁰⁷Pb/²⁰⁴Pb	²⁰⁸Pb/²⁰⁴Pb
Green glaze of ceramics from Cizao kiln (PbO-SiO₂)	0.8619	2.1310	18.1406	15.6352	38.6580
Large yellow bead	0.8623	2.1306	18.1231	15.6280	38.6127
Small yellow bead	0.8618	2.1304	18.1423	15.6344	38.6502