Ink damaged parchment

This is posted on behalf of Benjamin Cohen
<soferim [at] netvision__net__il>

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    Benjamin Cohen, a scribe, asks for advice on how to neutralize
    the damage to parchment produced when ferric sulfate-based ink
    ages and releases sulfuric acid. He is looking for treatments
    which do not involve the application of chemicals directly to
    the recto surface.

Rebecca Rushfield

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                  Conservation DistList Instance 11:81
                  Distributed: Tuesday, April 7, 1998
                       Message Id: cdl-11-81-016
                                  ***