Instead, the crucible most likely served to produce lead–tin yellow, which was subsequently mixed elsewhere with a colourless soda–lime glass to produce yellow glass beads.
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What historical evidence exists for lead-tin-antimony yellow pigment usage in paintings?The pigment's usage in painting was confirmed through works by artists like Giovanni Battista Langetti and Luca Giordano as early as 1666, correlating with Murano glass manufacturing practices of the time.How has Raman spectroscopy advanced the identification of lead-based yellow pigments?Raman spectroscopy has provided precise molecular identifications unique to each compound, enabling distinct differentiation among similar lead-based yellows without interference from binding media or varnishes.What are the specific manufacturing conditions for lead-tin-antimony yellow?The synthesis requires specific molar ratios of PbO, SnO2, and Sb2O3 at calcination temperatures between 680-1000°C to yield the optimal pyrochlore-phase compound Pb2SnSbO6.5.
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