Minangkabau(?) keris

[Sajen]

Originally Posted by Jean

This is an example of "spongy" blade after acid cleaning as described by Alan. I used a regular household vinegar/ 10% citric acid mix for cleaning this blade but it was severely corroded, and this is the result! I should better have removed most of the rust mechanically and just polished & oiled it.
Regards

Hello Jean,

I think you have done it in the correct way, the blade was just to much corroded. But you have removed all rust what's important. The other blade you have shown look fine.

Regards,
Detlef