[pure-silver] Re: NOW: Exposing paper was Re: POPwithpapernegs?
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 17 Dec 2004 20:41:04 -0800
----- Original Message -----
From: "Dave Valvo" <dvalvo@xxxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Friday, December 17, 2004 2:31 PM
Subject: [pure-silver] Re: NOW: Exposing paper was Re:
POPwithpapernegs?
> Richard, to make things a little more interesting
> regarding the science
> part:
>
> Optical brighteners have been known to migrate unless they
> are mordanted.
> Mordantly is very difficult and many paper manufacturers
> can't do it
> effectively. Brighteners can end up sticking their ugly
> heads above the
> Dmax in a print...thus lowering Dmax a little.......very
> little.
>
> Dave
>
I wonder if this shows when the paper is illuminated with
UV to make the brighteners fluoresce? I have one in the
other room so I might give it a try.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
=============================================================================================================
To unsubscribe from this list, go to www.freelists.org and logon to your
account (the same e-mail address and password you set-up when you subscribed,)
and unsubscribe from there.
Other related posts:
