New Dimensions in Photo Processes, 4th Edition

Chapter 11    Platinum and Palladium Printing

■  Materials

■  Mixing the Stock Sensitizers

■  Making a Platinum or Palladium Print

■  Control Chart for Platinum/Palladium Printing

Historically considered the premier, treasured, hand-coated emulsion among photographers, platinum and the closely related palladium printing processes are two of the tonally richest and most permanent emulsions available. Depending on the paper and processing procedures used, the more expensive platinum can yield cool velvety blacks, while palladium renders warmer blacks and sepia browns. Although both processes are probably the most costly hand-coated techniques covered in this book, they can be combined with each other as well as with gum bichromate (Chapter 9), ...