Shelf Life of Erythrosine Solution

Discussion in 'Silver Gelatin Based Emulsion Making & Coating' started by wildbillbugman, May 30, 2010.

  1. wildbillbugman

    wildbillbugman Member

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    P.E.,

    Apologies if this is somewhere in the "archives". How long can I keep a 1% aqueous solution of erythrosine a 4C?
    Bill
     
  2. Photo Engineer

    Photo Engineer Subscriber

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    Just about forever Bill. It is a very stable dye stored in the dark.

    PE