Platinum Prints gum dichromate emulsion

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Because I feel that the platinum emulsion offers greater subtleties than any other photographic process, I have been handcrafting platinum prints for over 20 years.

Six years ago, I began over-coating the black and white platinum print with a gum dichromate emulsion mixed with watercolor.

Because the platinum emulsion is so slow that the prints must be contact printed under a high intensity light source, making platinum/gum prints in sizes up to 30”x40” is an advanced technical feat. Therefore, one of the difficulties in producing large prints is the large negative that must be produced.

The platinum emulsion is hand-coated on a fine, 100% rag paper and then contact printed. After the print has dried the gum dichromate emulsion, with watercolor added, is coated on top of it. The large negative is re-registered and the print re-exposed one final time, thus allowing the colored emulsion to become an integral part of the finished platinum print.

I hope that you can sample, in person, the rich luminosity of this unique platinum/gum photography.