[pure-silver] Re: Fixing after indirect toning - a deeper question
- From: DarkroomMagic <info@xxxxxxxxxxxxxxxx>
- To: PureSilverNew <pure-silver@xxxxxxxxxxxxx>
- Date: Tue, 17 Jan 2006 23:16:18 +0100
It¹s not the polyethylene. I tested that.
Regards
Ralph W. Lambrecht
http://www.darkroomagic.com
On 2006-01-17 23:07, "Richard Knoppow" <dickburk@xxxxxxxxxxxxx> wrote:
>
> ----- Original Message -----
> From: "Christopher Woodhouse" <chris.woodhouse@xxxxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Tuesday, January 17, 2006 10:19 AM
> Subject: [pure-silver] Re: Fixing after indirect toning - a
> deeper question
>
>
>> Further to yesterday's experiment I tested odorless sepia
>> toner :
>>
>> 1) Overnight odorless toning of partially fixed RC print
>> 2) 2,4, 8 and 10 minute odorless toning of fully washed
>> and RC print
>> 3) Overnight odorless toning of fully fixed and washed RC
>> print
>>
>> 1) Overnight patch was slightly darker than 8 min patch on
>> partially fixed
>> RC print
>> 2) Even 'perfect' processed print showed some minor
>> staining by odorless
>> toner after a few minutes toning.
>> 3) Extended odorless toning of 'perfect' print showed
>> slightly more staining
>>
>> In all cases the toner left a slight stain. My guess is
>> that the toner might
>> be actually staining the gelatine.
>
> I think this may be the case with the odorless toner and
> also with sodium sulfide but I don't know the chemistry well
> enough to guess at what might be happening. Its possible
> there may be something beside silver halide that the toner
> may react with to leave a stain if given long enough.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
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