From: Witho Worms en Jorien van Santen (verzet13@xs4all.nl)
Date: 01/27/02-11:50:00 AM Z
Clay can you sent me your findings to.
Witho
----- Original Message -----
From: "clay" <wcharmon@wt.net>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Sunday, January 27, 2002 4:34 PM
Subject: LiPd / NaPd for the idle or curious
>
> After Carl's comments about using LiPd in DOP, I ran a quick step wedge
> comparison test yesterday of the different metal salts and their response
at
> the beginning of my printing session. I coated a single sheet of paper in
> four masked-off areas with each of 100% NaPd, 100% CsPd, 100%LiPd and
50/50
> NaPd&LiPd using straight ferric oxalate for the sensitizer with no
> restrainer of any type. I put a step wedge on each coated area, exposed on
a
> Nuarc unit for 250 units and developed them all on the same sheet of paper
> in potassium oxalate at 110 degrees. I've plotted the results of the test
on
> a excel spreadsheet for anyone bored or curious. Just email me off-list
and
> I'll send it to you. The bottom line is that the LiPd seems to have a
> slightly
> different speed and have a more linear response than NaPd. There also is a
> very
> slight color difference that is harder to see on the step wedge than on an
> actual print.
>
> Clay
>
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