Blued steel

From: Fernando Gilabert Lorenzo <*fergilabert*> Date: Friday, October 4, 2002 · fergilabert

I'm working on the conservation treatments of a XV century Persian
helmet in blued steel with gilded decorations. Does anyone know the
nature and composition of the bluing layer surface on late medieval
armours? Is it possible to affect this layer with chemical
treatments with sodium hydroxide or metal corrosion inhibitors like
BTA?

F. Gilabert
Restaurador de material arqueologico

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                  Conservation DistList Instance 16:26
                Distributed: Wednesday, October 9, 2002
                       Message Id: cdl-16-26-018
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