Re: Ziatypes and gold

John Rudiak (wizard@laplaza.taos.nm.us)
Sun, 12 May 1996 12:27:06 -0600 (MDT)

On Sun, 12 May 1996, Richard Sullivan wrote:
>
> Any thoughts on why gold sometimes produces a red/blue tone and at others a
> black/blue tone. I developed a gold toning system for pt and pd prints and
> produced a couple beautiful midnight blue/black prints on pure pt prints. I
> may have used a virgin developer that had never developed palladium but only
> platinum, as this was before I was aware that the smallest amount of pd in
> the developer prevented platinum from going neutral black. The pure golds
> I've produced with the Ziatype system are purple in color and I'm wondering
> if thepalladium in the acid developing bath is kicking in the red. One more
> thing to tr