

Silver precipitation gone wrong?
So I had a bar that I poured from silver contacts and wanted to refine it into purer silver to run through my silver cell. Ran it through a bunch of nitric boils until everything was dissolved. Added a bar of melted silver plated stuff to use up the rest of the free nitric before I added pure copper. It used up the nitric but then it turned into this thick milky blue substance. Is this silver chloride? I didn’t add any hydrofluoric acid so I don’t know how it could have formed