[Alt-photo] Alt-photo-process-list Digest, Vol 104, Issue 4

Stig Gustafsson gustafssonstig14 at gmail.com
Tue Apr 12 12:36:04 UTC 2016


The diazidostilbene is known to work with gelatin, carboxymethyl cellulose,
polyvinyl acetate, casein and probably many other substances.

Ref:http://www.phototypie.fr/product.php?id_product=14

Stig

On Tue, Apr 12, 2016 at 3:00 PM, <
alt-photo-process-list-request at lists.altphotolist.org> wrote:

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>    1. Re:  Platinum Rag arrived! (Kees Brandenburg)
>    2. Re:  Platinum Rag arrived! (Kees Brandenburg)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Tue, 12 Apr 2016 12:06:42 +0200
> From: Kees Brandenburg <workshops at polychrome.nl>
> To: alt-photo-process-list
>         <alt-photo-process-list at lists.altphotolist.org>
> Subject: Re: [Alt-photo] Platinum Rag arrived!
> Message-ID: <01772628-63A8-4730-846A-7A9A6129BCE2 at polychrome.nl>
> Content-Type: text/plain; charset=us-ascii
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>
> > On 10 apr. 2016, at 17:27, Kerik Kouklis wrote:
> >
> > I found it needed to be pre-shrunk for decent registration when doing
> gum over pt/pd.
>
> I tested it pre-shrunk with casein and can confirm that registration is ok
> now.
>
> kees
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 12 Apr 2016 12:20:22 +0200
> From: Kees Brandenburg <workshops at polychrome.nl>
> To: alt-photo-process-list at lists.altphotolist.org
> Subject: Re: [Alt-photo] Platinum Rag arrived!
> Message-ID: <5709AD96-B18A-4344-A297-4EA3BBA1C96A at polychrome.nl>
> Content-Type: text/plain; charset=utf-8
>
>
> > On 10 apr. 2016, at 17:19, Christina Z. Anderson wrote:
> >
> > What is exposure scale of DAS, Kees? How many stops?
> > Who first suggested using this?
>
> Hi Chris,
>
> When I got my first DAS I tried it immediately with gum, and it didn’t
> work. This is contrary to what Kosar states in his book on page 331 ;). DAS
> works also with many synthetic colloids. Kosar's Light Sensitive Systems is
> an excellent source of information about DAS (p330 7.2).
>
> I wrote about this in one of the ultra long 2011 DAS carbon threads on
> APUG. i think many other people tried it too.
>
> I get about 5,5 stops with DAS casein.
>
> Kees
>
>
>
>
>
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> End of Alt-photo-process-list Digest, Vol 104, Issue 4
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