Remember the Mordant for Etching I bought a few weeks ago? No, I haven't tried it yet, but a representative from Grobet, replied to my inquiries since Grobet bought out Dixon. Well here is a bit of what she replied:
This is not an item that we carry any longer. May I ask were you bought it from. The last catalog it shows up in was in 1983. All it said in the catalog was that the solution you have is for etching copper. We have no information on this item.
When I got this reply, I just started laughing.... I'll still try it, but isn't it amazing how long things get pushed back on shelves and storerooms. I guess the moral of the story is: Buyer Beware!