How To Use bichromate In A Sentence
- You can change the color of the image by toning or applying gum bichromate emulsions to a finished platinum print.
- Greater contrast may be obtained by adding small amounts of a 5% solution of potassium bichromate.
- Most of these extracts contain the coloring matter in two states, the developed and the undeveloped, and an oxidizing mordant such as bichromate of potash causes the latter as well as the former to enter completely into combination with a metallic base; whereas many of the other mordants, such as alumina or tin compounds, merely take up the developed portion of the coloring matter together with such small and variable proportions of the undeveloped as might undergo oxidation during the process of dyeing. Scientific American Supplement, No. 711, August 17, 1889
- This was the discovery of the 'black reaction' (reazione nera), based on nervous tissue hardening in potassium bichromate and impregnation with silver nitrate. Life and Discoveries of Camillo Golgi
- This is carried out by boiling the wool in a solution of the metal, such as bichromate of potash, chrome alum or chrome fluoride when chrome is to be used as a mordant, with alum or sulphate of alumina when alumina is required to be deposited on the fibre, and with copperas when iron is to be the mordant. The Dyeing of Woollen Fabrics
- _Yellow -- Rich: _ -- Work five pounds of goods one-half hour in a boiling bath with three ounces bichromate of potassa and two ounces alum; lift and expose till well cooled and drained; then work one-half hour in another bath with five pounds of fustic. The Whitehouse Cookbook (1887) The Whole Comprising a Comprehensive Cyclopedia of Information for the Home
- Whether Daniel Burnham's jaunty skyscraper is better appreciated when lavished in gum bichromate and platinum is another matter. From the Shadows of Giants
- The addition of alcohol to the bichromate bath — sometimes recommended to harden the film and allow it to stand a higher temperature, and to hasten the desiccation of the tissue — is objectionable, for the spirits tend to reduce the bichromate, which is transformed into the green salt, and, therefore, a partial or complete insolubilization of the gelatine is the result. Photographic Reproduction Processes
- The chloroform, which is now free from alcohol and contains all the fusel oil, is treated with a solution of 5 grammes of potassium bichromate in 30 grammes of water and 2 grammes of sulphuric acid, and then heated in a closed flask for six hours on a water bath at 85°. Scientific American Supplement, No. 365, December 30, 1882
- I was amazed by two finds: a self-portrait by Edward Steichen, a bichromate gum photograph which appears as a painting - Steichen manipulated the print with brush-strokes to add both white and black shades. Chicago: days 2-5
