[pure-silver] Re: Combination Toner Test

    Maco selenium does not contain sulfide in it. It is more concentrated
than Kodak's that's it.

    Daniel

> De : "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
> Répondre à : pure-silver@xxxxxxxxxxxxx
> Date : Sat, 30 Jul 2005 03:21:50 -0700
> À : <pure-silver@xxxxxxxxxxxxx>
> Objet : [pure-silver] Re: Combination Toner Test
> 
> 
> ----- Original Message -----
> From: "Daniel Bouzard" <Daniel.BOUZARD@xxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Saturday, July 30, 2005 2:28 AM
> Subject: [pure-silver] Re: Combination Toner Test
> 
> 
> Hello Richard,
> 
> What I use is a little bite different but it is supposed
> to react more
> or less like the old polytoner. I use it very diluted.
> 
> Viradon                         1ml
> Sélénium Maco                   2ml
> Sodium carbonate 10% solution   35ml
> Water                           1000ml
> 
> I put the print in the solution for 5 to 10 sec and then
> run hot water
> at 45°C on it for 2 to 3mn and then in 10% sultite solution
> for 2 mn.
> I use this mainly with Bergger CV CB a warm tone paper
> and I get very
> nice cooler slightly blue blacks and subtle slightly
> yellowish hightlight. I
> did not get colored borders as mentionned earlier with very
> diluted
> polysulphure toners
> 
> Daniel
> 
> I will post the version of this toner given in a Kodak
> publication because it is closer to what you are doing. Of
> course it uses Kodak toners.  There may be differences in
> the toners. I don't know what is in the Maco toner, there
> are several variations of Selenium toners, some of which
> have some sulfide in them. Viradon does not list Sodium
> Carbonate as does KBT, this is on the label and MSDS but who
> knows what is actually in it.
> These two variations of the combination formula come from
> a Kodak booklet titled _Professional Printing_ first 1953
> edition, included in the _Kodak Professional Handbook_. Here
> are the formulas for reference. I have not tried either of
> these.
> Hue No.1
> Kodak Rapid Selenium Toner            17.0 ml
> Kodak Brown Toner                     75.0 ml
> Kodalk                                30.0 grams
> Water to make                          1.0 liter
> 
> Replenish with KRST diluted 1:5, add 30 ml for per 10 8x10
> prints per liter.
> Use full strength. Tone for about 3 minutes at 70F
> 
> Hue No.2
> 
> Kodak Rapid Selenium Toner            2.0 ml
> Kodak Brown Toner                   100.0 ml
> Kodalk                                8.0 grams
> Water to make                         1.0 liter
> 
> Tone prints for 7 minutes at 70F
> Replenish using KRST diluted 1:20, add 30ml for each 10 8x10
> prints toned per liter.
> 
> The two tones are described as: No.1 a "rich, red-brown" and
> No.2, a "warm brown".
> The instructions state that No.2 tends to reduce the
> print slightly so prints to be toned should be slightly
> darker than desired.
> 
> I did note any tendency to bleach with the original
> formula.
> 
> The text states that the Selenium toner is carried off
> with the prints so it must be replenished with KRST as
> specified.
> 
> Since posting I have also tested the original combination
> formula on prints made on Freestyle Arista II, which I
> believe to be Kentmere paper. It toned very quickly to a
> purplish brown. Complete toning seems to occur within 2
> minutes at room temperature. This paper tones is neutral to
> slightly cold when developed in Agfa Neutol Plus. KRST 1:9
> turns it a slightly purplish color with some intensification
> (about 5 minutes). In Kodak Brown toner it turns a slightly
> reddish brown, not really sepia, but a much stronger color
> than in Selenium. Toned for about 5 minutes at 90F. In the
> combination toner the paper becomes a cool sepia, strongly
> colored. Toned for 2 minutes at 75F. There appears to be a
> very slight toning or staining of the highlights with KBT
> and the combination toner but these are bled edge prints so
> there is no clear unexposed area to compare. The difference
> is apparent only on direct comparison to the white area of
> an untoned print on the same paper.
> 
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
> 
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