Re: Speed Point in PT/PD printing?

Sandy,

> My objective is not to establish a speed point for all of the
> possible variations but merely to show with sensitometry that there
> are significant differences in speed point that result not only from
> the specific Pt/Pd mixture (with a given light source), but also from
> the combination of Pt/Pd mixtures with light sources that peak at
> different wavelengths.

Are you planning on using straight Ferric Oxalate or including additives
such as oxalic acid and EDTA?

Just curious.

Don Bryant
Received on Sun Nov 9 20:23:01 2003