Entertainment / Photography / Bichromate: Refers to potassium bichromate or potassium dichromate, used for bleaching and as a sensitizer for gelatin.
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Entertainment / Photography / Gum Bichromate: Contact printing process once very popular for the manipulative, impressionistic effects it makes possible. Drawing paper is coated with a mixture of gum, potassium bichromate and a pigment of any cho MORE
Entertainment / Photography / Potassium Bichromate: Chemical used in chrome intensifiers. MORE
Entertainment / Photography / Sodium Bichromate: Chemical used in intensifiers, toners and bleaches. MORE
Entertainment / Photography / Aquatint: Etching technique allowing control of tonal areas to produce almost unlimited gradations from pale gray to black. Because of this it has also been used in photography as an alternative term for gum bi MORE
Entertainment / Photography / Carbon Process: Contact printing process, introduced in 1866, using tissue coated with pigmented gelatin. The paper was sensitized in potassium bichromate and contact printed behind a negative in sunlight. MORE
Entertainment / Photography / Pigment Processes: Making a positive print by using the property of bichromated colloids by changing their physical characteristics with exposed light. Gum bichromate is a pigmented process. MORE