Gum bichromate printing, one of the oldest photographic processes still in use, offers a way of creating color prints from black and white negatives. Gum bichromate emulsion–potassium dichromate ...

once the master plate is completed, it's washed with deionized water and soaked in a vibrant orange potassium bichromate solution that prevents the plate from rusting.

Early last year the West German firm of Peter Meyns bought sodium bichromate and potassium bichromate (used in tanning leather) and paraffin wax from the U.S., had the chemicals shipped to West ...

Under the glow of candlelight, he discovered that by first hardening a sample of nervous tissue in potassium bichromate and ammonia, then immersing it in a silver nitrate solution, he ...

Paper coated with gelatin is sensitised by soaking it in a solution of potassium bichromate, dried, and exposed under a negative.

This is activated by immersion in a solution of potassium bichromate, which in practice is frequently rendered alkaline by the addition of ammonia.

LOS ANGELES (CN) – Miralus Healthcare sells several “HeadOn” headache remedies that are neither safe nor effective, and contain chemicals that may be carcinogenic, including potassium bichromate and ...