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Story Image Audio

in HD, Scrittura

Manoscritto miniato

Illuminated manuscript

by Vicky Ledia 1.9k Views

Bianco
Biacca, chimicamente carbonato di piombo, 2PbCO3·Pb(OH)2, e storicamente realizzato corrodendo fogli di piombo con aceto, e ricoprendo il tutto con materiali di decomposizione, come feci, per procurare il necessario biossido di carbonio necessario per la reazione chimica;
Gesso, chimicamente carbonato di calcio, CaCO3.

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