[no subject]

["Christina Margariti" <xchrisma@xxxxxxxxxxx>]

Christina Margariti
The Textile Conservation Centre
University of Southampton
UK

Undertaking research on the use of chelating agents in wet-cleaning of 
historic textiles.
Reagents tested: EDTA, Tri-sodium citrate and Tri-ammonium citrate
The efficacy of the reagents to remove copper and iron stains from  
artificially soiled cotton fabrics will be tested.
QUESTIONS:
Which are the environmental concerns for EDTA?
Which could be the most appropriate way to prepare the samples? (stain them 
with metal ions?)
Have you ever used chelating agents?
Which chelating agents have you/would you use?
Which would be the most appropriate way to measure the amount of metal ions 
removed other than XRF?
Have you ever used chelating agents made of tartaric or gluconic or 
saccharic acid? Would you prefer them to EDTA?

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