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  1. #21

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    Quote Originally Posted by michael9793 View Post
    Sandy,
    won't Ziatypes be good too.
    I have been doing 8x20 palladium printing with Na2 and i will throw in a couple of drops of platinium. I use a glass rod because it takes so much less chemicals and I can control it easier.
    my formula is:
    25 Drops FeOx
    22 drops PD
    3 Drops Pt
    0-7 Drops Na2 (10%)
    I guess from that you could figure out something.

    michael andersen
    Michael,

    Yes, Ziatype is an interesting process but still a lot more expensive in terms of the metal salts than a palladium or platinum toned kallitype, especially if you take into consideration the fact that you only use the pt.pd. toner on keeper prints. Also, although I have not done any serious cost comparison of Ziatype versus regular DOP palladium I believe that both are rougly equivalent in expense since the main expense involved in both is the palladium salt.

    In making 20X24 prints by any of the metal salt processes I have personally found that it is better to apply a fairly heavy coating rather than skimp. I coat 20X24 prints with a 4" Richeson brush and put on a total of 10-12 ml of solution. With this much coating solution you have to brush a bit longer to get rid of pooling but this does not have any negative effect with papers with a good size. I personally have had very poor results coating large prints witha glass rod and find the Richeson much more effective.

    Sandy King

  2. #22
    RobertP's Avatar
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    I agree, I use a 3" Richeson for 8x20 and 12x20. I tried the puddle pusher one time and immediately went to the brush. Just remember to wet the brush and squeegee to a fine point before you use it. This will help keep you from losing solution that would be absorbed by a dry brush.

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