platinum print / tint

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About platinum print / tint

Definitions of Platinum Print on the Web:

Although there is evidence that some experimentation occurred before, the Platinum printing process, also referred to as the Platinotype process, was invented and patented in 1873, and by the turn of the century, platinum prints were very popular, valued for their beauty and their intrinsic permanence. Platinum – and later Palladium when platinum became more difficult to obtain - are two of the most inert elements in existence, which contributes greatly to the extreme archival stability of platinum prints. Unlike gelatin silver prints in which the silver halides are suspended in gelatin on the paper, the platinum particles are embedded within the
www.iconblvd.com/photo/phototerms.html

used from 1873 to circa 1920; the image is produced by the coating of a sensitising solution of iron salts and a platinum compound. The exposed contact print was developed in a solution of potassium oxylate; platinum deposits created the imbedded image.
www.bl.uk/catalogues/photographyinbooks/Glossary.asp

A contact print made through a process in which a paper is sensitized with a solution of platinum and iron salts and developed in potassium oxalate. A process first developed in 1873, it was favored because of its sharp detail, soft gray tonalities and image permanency. It survived in commercial form until the mid-1930s.
www.christies.com/departments/glossary.asp

Older style black and white print process.
www.mlkstudios.com/help/glossary_pt2.html

Also known as a contact print. Because its taken directly from the negative, it has the highest level of detail possible.
www.1earth.com.au/collect/photo_glossary.html