Hi Benjamin,

No not yet, but I will do soon. But as I said with the diazostilbene it might be getting rather expensive.

Quote Originally Posted by BenjaminAustin View Post

Do you know of anyone else who is specifically looking to de-dichromate their gum printing?

Yes, Halvor Bjørngård describes a non toxic approach in his Chiba thesis about using ferric salts for carbon and gum printing. You can download it here: The Chiba System