U of S | Mailing List Archive | alt-photo-process-l | ferro vs ferri

ferro vs ferri

  • To: alt-photo-process-l@usask.ca
  • Subject: ferro vs ferri
  • From: Trevor Cunningham <tr_cunningham@yahoo.com>
  • Date: Wed, 29 Aug 2007 23:40:51 -0700 (PDT)
  • Comments: "alt-photo-process mailing list"
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  • Reply-to: alt-photo-process-l@usask.ca

Hey gang...trying to get back into things in a new location.  I recently moved to Jakarta and have found a bulk chemical supplier.  I am able to find ferric ammonium citrate, but cannot find potassium ferricyanide.  Instead, they have hexacyanoferrate, or potassium FERROcyanide...wikipedia mentions that several suspicious Morrocans in Rome were arrested with the stuff and some waterway maps and also says it reacts quite unpleasantly with acid (which I find highly unusual that I can get it so easily).  However, the article does mention that potassium FERRIcyanide can be made from it with the introduction of chlorine (process completely unknown to me).  Availability seems to be an issue if I'm to make cyanotypes, but if I can make my own chemical, then the project factor seems almost irresistable.
Trevor Cunningham

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