Re: Pyrocat-HD for alt printing?

Thank you very much, Sandy- I will do that- mixing. I am ususally careful
but; never can be too careful! I do not blame you- I blame myself for not
noticing the colour!
Always,
Susan
----- Original Message -----
From: "Sandy King" <sanking@clemson.edu>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Thursday, August 18, 2005 7:26 AM
Subject: Re: Pyrocat-HD for alt printing?

> Susan,
>
> I know how awful it is to go to a lot of trouble and lose your
> negatives through no fault of your own. Hope you get the problem
> solved soon.
>
> Be very careful when mixing the working solution. I devote separate
> mixing beakers and syringes to the two solutions to cut down on the
> risk of contamination of Stock A with Stock B. I am personally
> convinced that this is the number one culprit for early death of
> Stock A.
>
> Best,
>
> Sandy
>
>
> >Sandy,
> >I think you are correct, the bottles I used are the plastic ones-
apparently
> >a big no-no.. I will start using the brown bottles and see if that is the
> >problem.
> >I really likes the P-Cat as it is much smoother and I am able to do a few
> >processes with it than juts the POP.
> >I will perservere- I wrote to Victor about the same ideas...
> >Don't worry, I will continue to use the chemical...
> >Susan
> >----- Original Message -----
> >From: "Sandy King" <sanking@clemson.edu>
> >To: <alt-photo-process-l@sask.usask.ca>
> >Sent: Wednesday, August 17, 2005 6:37 AM
> >Subject: Re: Pyrocat-HD for alt printing?
> >
> >
> >Susan,
> >
> >
> >I am sorry that you had problems with Pyrocat-HD.
> >However, I am in contact with enough
> >photographers to know for a fact that the stock
> >solution does not normally oxidize in two months,
> >in fact it typically lasts at least a year. If
> >your solution oxidized in two months there must
> >have been some kind of contamination of the Stock
> >A solution. Maybe the brown bottles had something
> >to do with it. I just have no experience with
> >these bottles as I store all of my developers in
> >glass containers.
> >
> >Sandy
> >
> >
> >>Hi Victor,
> >>I was told by the photographic guru of San Diego, Ca who is still
teaching
> >>at many years plus that the P-Cat oxidizes very quickly in the brown
> >bottles
> >>and the bottles are the worst thing put upon the public. He says thta
the
> >>Coca -cola clear bottles are better and the glass are fine (brown) if
kept
> >>in a dim area.
> >>I have had problems with the P-Cat and will change back to Pyro which I
> >know
> >>won't oxidize in 2 months. The important thing is to keep the bottles
> >topped
> >>up- or; transfer to smaller bottles (if you have them).
> >>Hope this helps,
> >>Susan
> >>----- Original Message -----
> >>From: "Victor Loverro" <victor.loverro@verizon.net>
> >>To: <alt-photo-process-l@sask.usask.ca>
> >>Sent: Tuesday, August 16, 2005 9:00 AM
> >>Subject: Re: Pyrocat-HD for alt printing?
> >>
> >>
> >>Susan,
> >> Could you elaborate on the different containers? I always thought
that
> >>the brown bottles were supposed to help prevent oxidation of chemicals.
> >>Glass being better than plastic to keep oxygen out and the brown for
light.
> >> Victor
> >>
> >>----- Original Message -----
> >>From: "Susan Huber" <shuber@ssisland.com>
> >>To: <alt-photo-process-l@sask.usask.ca>
> >>Sent: Tuesday, August 16, 2005 5:18 AM
> >>Subject: Re: Pyrocat-HD for alt printing?
> >>
> >>
> >>> Hi Loris,
> >>> I believe the P-Cat takes less time to print out than the Pyro al
> >>Hutchens.
> >>> The thing that is troublesome is; the P-Cat oxidizes very quickly
> >compared
> >>> to the Pyro and that being in different containers. The brown
bottles
> >are
> >>> the worst! Use other bottles. I am not amused at travelling 9,000
kms
> >and
> >>> then ruining some of my negatives... Sandy King can clarify.
> >>> Always,
> >>> Susan
> >>>
> >>> ----- Original Message -----
> >>> From: "Loris Medici" <loris_medici@mynet.com>
> >>> To: <alt-photo-process-l@sask.usask.ca>
> >>> Sent: Tuesday, August 16, 2005 12:17 AM
> >>> Subject: RE: Pyrocat-HD for alt printing?
> >>>
> >>>
> >>> Donald, I haven't used Pyrocat-HD for alt. processes yet (because I
use
> >>> digital negatives, not in-camera negatives) but on every publication
or
> >>> article I've read it was said that pyro stained negatives takes
longer
> >>> to print - because the color is much more opaque to UV light (even
if it
> >>> seems very thin to you). In your case the exposure takes around 2
stops
> >>> longer, I'm sure there will be pyro in-camera negative users that
will
> >>> approve/disapprove this difference.
> >>>
> >>> Regards,
> >>> Loris.
> > >>
> >>> -----Original Message-----
> >>> From: donald ciccone [mailto:dsciccone@verizon.net]
> >>> Sent: 16 Ag~ustos 2005 Salz 06:55
> >>> To: alt-photo-process-l@sask.usask.ca
> >>> Subject: Re: Pyrocat-HD for alt printing?
> >>>
> >>>
> >>> ... I recently tried making a Vandyke
> >>> (brown) print but found my exposure times were very long (30 minutes
or
> >>> more). The UV source is a bank of 18 inch blacklight bulbs ("350
> >>> Blacklight" by Sylvania). I have used the same printer with
non-pyro
> >>> negatives and typically get exposure times for Vandyke prints in the
5-8
> >>>
> >>> minute range. Ideally, I would like to get more reasonable
exposure
> >>> times
> >>> for pyro-developed negatives as well (possibly 10-15 minutes). Any
> >>> suggestions how to achieve this or do these negatives simply require
a
> >>> stronger/different UV source? The pyro negatives do not appear
dense or
> >>>
> >>> blocked up when viewed on a light box. Thanks for any assistance.
> >>>
> >>>
Received on Fri Aug 19 06:34:26 2005