Re: cyanotype - ferrocyanide / ferricyanide

From: Kees Brandenburg ^lt;[email protected]>
Date: 07/15/04-04:22:26 AM Z
Message-id: <p06020403bd1c095ae737@[]>

You need the ferricyanide. Exposure to light reduces it to
ferrocyanide. When you start with the ferrocyanide no reduction can
take place.


Potassium Ferricyanide = Kaliumhexacyanoferraat(III) or (old name)
Rood bloedloogzout.

Potassium Ferrocyanide = Kaliumhexacyanoferraat(II) or Geel Bloedloogzout.


>Dear list,
>Just a dummy:
>looking for potassium ferricyanide in Europe I found a supplier for
>pot. ferrOcyanide. I have no chemical background, but in the info I
>found on both I think I cannot use the ferrocyanide for cyanotype.
>thanks in advance,
>H e n k T h i j s - P h o t o g r a p h y
>member of F68
Received on Thu Jul 15 04:23:51 2004

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