[pure-silver] Re: Fixing after indirect toning - a deeper question
- From: DarkroomMagic <info@xxxxxxxxxxxxxxxx>
- To: PureSilverNew <pure-silver@xxxxxxxxxxxxx>
- Date: Sun, 15 Jan 2006 20:35:44 +0100
Richard
Just one day ago, you said that refixing was required after sulfide toning.
Which is it?
Regards
Ralph W. Lambrecht
http://www.darkroomagic.com
On 2006-01-14 23:40, "Richard Knoppow" <dickburk@xxxxxxxxxxxxx> wrote:
>
> ----- Original Message -----
> From: "Dave Valvo" <dvalvo@xxxxxxxxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Saturday, January 14, 2006 2:32 PM
> Subject: [pure-silver] Re: Fixing after indirect toning - a
> deeper question
>
>
>> You guys are now getting into the alchemy of silver
>> science. Without doing a lot of Electron Microscope tests
>> there is an unsureness if the sepia toner fully converts
>> all the halogenated silver to silver sulfide. (If fact,
>> even if EM tests were done they might not show it. thus
>> they were not done.) Mainly because it is a rate reaction
>> and reactions tend to start from the outside of a grain
>> inwards. So where does it end or does it?
>>
>> So without knowing, it was best to say, "recommend fixing"
>> to CYA. (But later in life there may be the potential for
>> a grain here or there to crack and expose an unfixed
>> crystal and it will oxidize.....or is this just more BS.)
>>
>> Dave
>>
> Sulfide redeveloper, as used in Sepia toner and as an
> alternative in reversal processing, does not seem to need a
> final fixing step. Evidently the sulfide is very effective
> in converting all halide to silver sulfide, which is very
> stable. In indirect toning there is sometimes some metallic
> silver in the image due to incomplete bleaching but this is
> a different phenomonon, which is sometimes done delibrately
> for split toning effects. Of course, hypo will not remove
> metallic silver.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
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