Prussian blue history

In fact, the strongly alkaline character of freshly plastered walls would have increased the formation process enormously. The influence of the pH-value of the walls is being ignored by Richard I. Green in his later added online-article More on Prussian Blue on www.holocaust-history.org/. 

The. exceptionally high affinity of iron(II) for cyanide ion is reflected in the heat of formation - of the [Fe(CN)6] " anion (equation 31). The stability of this, the ferrocyanide ion, is illustrated by the nature and history of its iron(III) salt, Prussian blue, possibly the first isolated coordination complex, which is discussed in Section 44.1.5.2.4. 

Ware M (1999) Cyanotype the history, science and art of photographic printing in Prussian blue. Science Museum and National Museum of Photography Film and Television, London... 

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