fixing agent

A new coat of fixing agent renewed the luminosity and life in this 14th-century masterpiece.

He also developed the use of hyposulphate of lime as a fixing agent for photography.

The wood yielded a fixing agent for clothing dyes that was vital to the European woollen industry.

When silver-based photography was widespread, sodium and ammonium thiosulfate were widely used as "fixing agents."

SNF also manufactures textile auxiliaries used as antimigrants, dispersants, sizing and fixing agents.

Albumen is both a thickening and a fixing agent for insoluble pigments such as chrome yellow, the ochres, vermilion and ultramarine.

Formerly colours were always prepared for printing by boiling the thickening agent, the colouring matter and solvents, &c., together, then cooling and adding the various fixing agents.

In 1859 Burnett published an article in the British Journal of Photography describing his use of sodium chloroplatinate as a fixing agent.

Terrell James, Mr. Armstrong's wife and an abstract painter, first has them polished, then treats them with a compound of acid, pigment and fixing agents.

To prevent fading the black and white positive had to be coated with a fixing agent, a potentially messy procedure which led to the development of coaterless instant pack film.

Once these layers were removed, it was discovered that the original grey-blue sky had been repainted with broad strokes of a deep blue dye mixed with a fixing agent.

Bayer had been working in Saint Petersburg to develop a method to provide alumina to the textile industry, which used it as a fixing agent in the dyeing of cotton.

Under the direction of Giuseppe Basile of the Istituto Centrale del Restauro, restorers have removed this fine saline stratum as well as the fixing agent used after a restoration in the 1960's.

The chromium acts as a chemical fixing agent and has little or no preserving properties; it helps the other chemicals to fix in the timber, binding them through chemical complexes to the wood's cellulose and lignin.

Iron alum was used as the base fixing agent and it is known that the marine gastropod, Haustellum brandaris, was used as a red dye, due to its purple-red colorant (6,6'-dibromoindigotin); the color of the emperor.

In April 2008, an employee of the United States Food and Drug Administration declared HFCS is not "natural", stating: "The use of synthetic fixing agents in the enzyme preparation, which is then used to produce HFCS, would not be consistent with our (.)