From: Richard Knoppow (dickburk@ix.netcom.com)
Date: 06/30/00-04:02:21 PM Z
At 01:56 PM 06/30/2000 -0400, Judy Seigel wrote:
>
>
>On Fri, 30 Jun 2000, Sam Wang wrote:
>
>> The best result I got, a rich maroon color, was from toning with well
>> used Nelson's Gold Toner. Fresh Nelson's bleaches easily because the
>> hypo is too strong. The hypo in the toning solution is important to
>> get dark tones, since without it the silver would be coated by a
>> layer of gold before getting fixed, and get a lighter, though
>> beautiful, bluish tone.
>
>I don't recall offhand composition of Nelson Gold toner, but the
>description reminds me of hypo alum toning, where the better used it is,
>the better the color -- and you "ripen" it first by feeding it some junk
>prints...
>
>Judy
Nelson's is very similar to Hypo-Alum with the addition of some ammonium
persulfate. The formula calls for silver nitrate to prevent bleaching in
fresh solutions. More of the Gold solution needs to be added periodically
but the toner probably lasts forever.
---- Richard Knoppow Los Angeles,Ca. dickburk@ix.netcom.com
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