From: Jeff Buck (jeffbuck@swcp.com)
Date: 11/13/02-07:13:47 PM Z
Thanks, Eric.
At 06:39 PM 11/13/2002 -0600, you wrote:
>Jeff, Shaking is a no, at least I don't recommend it; with a
>possibility of loose caps and all. Stirring or swirling is ok. This
>however assumes that you have clean solutions. Occasionally filtering
>your platinum salt is OK. Heating of your platinum is good, as long as
>it is not to hot. It is also ok for palladium but not required/needed
>for it to stay in solution unlike the platinum.
>
>I keep a 2 1/12 gallon room humidifier that works with a wick and fan to
>adjust the humidity in a small box that is approx. 3'x3'x2.5' built into
>one of my work tables. It has a small 2 1/2" coaxial fan to circulate
>the air. It works fine. My paper is dried in a similar box but with a
>heater in it with the rheostat move from within the unit to hanging in
>the box away from the heater to keep the heat from the metal from
>influencing the temp reading. It is under my coating area so it stays
>warm, and that really helped in Taos where the room would be cool to
>cold but my coating area was warm.
>
>Do what ever you do the same every time and that should help.
>
>Eric Neilsen Photography
>4101 Commerce Street
>Suite 9
>Dallas, TX 75226
>http://e.neilsen.home.att.net
>http://ericneilsenphotgraphy.com
>
>
>-----Original Message-----
>From: Jeff Buck [mailto:jeffbuck@swcp.com]
>Sent: Wednesday, November 13, 2002 8:34 AM
>To: alt-photo-process-l@sask.usask.ca
>Subject: RE: Consistency Is No Hobgoblin
>
>Eric: No, I don't shake, heat or stir. I had a notion those things are
>to
>be avoided.... I don't tape off the application area. I square a
>mat-board frame a little bigger than the image area over the paper for
>the
>first few strokes (to establish the coating area) then put it aside and
>finish coating.... How do you humidify paper in half an hour? -jb
>
>At 12:54 AM 11/13/2002 -0600, you wrote:
> >Jeff, I think Liam has pointed you in a good direction. Your solution
> >volumes are ok, although there may be a change in density of solution
>in
> >your bottles. Do you shake , stir, heat, your coating solution
>bottles?
> >
> >
> >Tape off your area of coating to be applied? Are you running a room
> >heater at the same time you are printing? Over a few hours you may see
> >changes in the papers. I generally keep the paper dry up until 1/2
>hour
> >before printing then humidify.
> >
> >
> >Eric Neilsen Photography
> >4101 Commerce Street
> >Suite 9
> >Dallas, TX 75226
> >http://e.neilsen.home.att.net
> >http://ericneilsenphotgraphy.com
> >
> >
> >-----Original Message-----
> >From: Jeff Buck [mailto:jeffbuck@swcp.com]
> >Sent: Tuesday, November 12, 2002 8:58 PM
> >To: alt-photo-process-l@sask.usask.ca
> >Subject: Consistency Is No Hobgoblin
> >
> >Actually, it's the tendency of a phenomenon to recur in the same
> >form.... Anyway, after doing platinum/palladium for about fifteen
> >months
> >now, I find if very difficult to achieve. I arrive at a print that is
> >satisfying. I want to repeat it. So, I use the same paper, the same
> >chemicals (plain FO, pure palladium, PO w/ sodium dicromate mostly),
>the
> >
> >same exposure, and the same developer. As for ambient temperature and
> >humidity, I can get pretty close to repeating, especially this time of
> >year
> >when I'm producing both artificially (by and large). Like the last
> >couple
> >days, I'm printing this negative, and the temp is between 65F and 70F,
> >the
> >humidity is in the range of 60% to 70%. In each instance, the paper
>has
> >
> >been laying out in the area of that temp and humidity for a few hours;
> >it's
> >a little "heavy" and tacky to the touch. I guess I made four prints in
> >these conditions (I was double-coating Platine, if that makes any
> >difference). There were notable differences in the overall darkness of
> >the
> >prints and in degree of contrast. Would you expect discernible
> >differences
> >working within these variations in temp and humidity? How do you
> >measure
> >the temperature of the FO and platinum or palladium? I'm squeamish,
> >maybe
> >for no reason, about putting a thermometer into a bottle of precious
> >metal....
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