[German version]

Cleaned, depilated and tanned leather was one of the writing materials of Antiquity (Hdt. 5,58,3). Parchment emerged from a refined treatment of animal skin (donkey, calf, sheep, goat), which did not include tanning. Instead, the skin was soaked in a solution of slaked lime (calcium carbonate) for several days, then any remains of flesh, hair and epidermis were scraped off, and the skin was again soaked in a vat of lime for cleansing (calcination). The skin was then stretched over…