Bichromate

Examples

• Joseph Dixon, in 1854, was the first to use organic matter and bichromate of potash upon stone to produce a photo-lithograph. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Mungo Ponton applies Bichromate of Potash in Photography. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• This combines sulphate of aniline and bichromate of potash to produce an exquisite lilac, or purple color. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• When cold add 3 drachms of yellow bichromate of potash and stir thoroughly. William K. David. Secrets of Wise Men, Chemists and Great Physicians.
• Then, too, some other chemical, such as bichromate of potassium, or ammonium chloride, may be used instead of dilute sulphuric acid. Bertha M. Clark. General Science.
• Mungo Ponton, in 1839, discovered the sensitive quality of a sheet of paper treated with bichromate of potash. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The process depends upon the property possessed by bichromate of potassium, and other chemicals, of rendering insoluble under the action of light, gelatine or some similar substance. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• In his method of doing so, he covers the steel plate with a solution of isinglass and bichromate of potass, and placing a collodion negative picture upon it, he exposes it to the action of light. Frederick C. Bakewell. Great Facts.
• Mungo Ponton, in 1838, discovered the sensitive quality of potassium bichromate, which led up to carbon printing. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.

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