Me eerste kopersulfaat kristallen. Wel redelijk gelukt.

Bron: A Comprehensive Treatise on Inorganic and Theoretical Chemistry: volume 3"The earlier observers confused cupric and ferrous sulphates, since both salts often occur in the same mine waters, and they can crystallize together to form a mixed vitriol—
thus Valentine says that " Venus and Mars can be united by soln. and coagulation into a virtuous vitriol."
Some of the alchemists sought for the materia prima in the mixed vitriols, and Valentine said that " when copper and iron are present, der Saame des Goldes will not be far away."
Users browsing this forum: No registered users and 1 guest