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Re: [BKARTS] Rusted nails in signatures



Here are a couple of articles (culled from the AATA index at Getty):

Gent, Megan and Rees, Jacqueline. 
A conservation treatment to remove residual iron from platinum prints.

Affl: Royal Archives. Royal Photograph Collection, Windsor, United
Kingdom. 

The paper conservator: journal of the Institute of Paper Conservation,
18, (1994), pp. 90-95, [English w. English, French, + German summaries.]
9 figs., 17 refs.

Discusses a conservation treatment for the removal of residual iron from
platinum prints, using the chelating agent disodium EDTA in conjunction
with the reducing agent sodiumdithionite. The prints treated were
identified and the effectiveness of the treatment was monitored using
energy-dispersive x-ray fluorescence (EDXRF) analysis.
AATA No.: 32-572

----------------------------------------------------------------
H. Burgess,"The Use of Chelating Agents in Conservation Treatments", The
Paper Conservator, 15 (1991), 34-36.

-------------------------------------------------------------

There was also a discussion recently on a textile conservation
discussion group- involving rust removal on cotton/linen textiles.
Google search of "Sodium dithionite EDTA" should find that one.

Regards, 

-Doug
> -----Original Message-----
> From: Don Rash [mailto:studior@xxxxxxxx]
> Sent: Friday, June 11, 2004 12:02 PM
> To: BOOK_ARTS-L@xxxxxxxxxxxxxxxx
> Subject: Re: Rusted nails in signatures
> 
> Do you have a reference for this treatment?
> 
> Don Rash
> 
> 
> 
> Douglas Sanders wrote:
> >
> > There is a two-chemical treatment by the use of sodium dithionite
and
> > EDTA (ethylenediaminetetraacetic acid)

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