silver thiosulphate

См. также в других словарях:

• Thiosulphate — Thi o*sul phate, n. (Chem.) A salt of thiosulphuric acid; formerly called {hyposulphite}. [1913 Webster] Note: The sodium salt called in photography by the name sodium hyposulphite, being used as a solvent for the excess of unchanged silver… …   The Collaborative International Dictionary of English

• Silver bromide — chembox new OtherNames = bromargyrite bromyrite silver(I) bromide Section1 = Chembox Identifiers CASNo = 7785 23 1 Section2 = Chembox Properties Formula = AgBr MolarMass = 187.772 g/mol Appearance = Pale yellow solid photosensitive Density =… …   Wikipedia

• Gelatin-silver process — The gelatin silver process is the photographic process used with currently available black and white films and printing papers. A suspension of silver salts in gelatin is coated onto acetate film or fiber based or resin coated paper and allowed… …   Wikipedia

• hyposulphite — Thiosulphate Thi o*sul phate, n. (Chem.) A salt of thiosulphuric acid; formerly called {hyposulphite}. [1913 Webster] Note: The sodium salt called in photography by the name sodium hyposulphite, being used as a solvent for the excess of unchanged …   The Collaborative International Dictionary of English

• Daguerreotype — 1840 1841 Camerae obscurae and plates for Daguerreotype called Grand Photographe produced by Charles Chevalier (Musée des Arts et Métiers) …   Wikipedia

• Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… …   Wikipedia

• Print permanence — refers to the longevity of printed material, especially photographs, and preservation issues. Over time, the optical density, color balance, lustre, and other qualities of a print will degrade. The rate at which deterioration occurs depends… …   Wikipedia

• Golgi's method — is a nervous tissue staining technique discovered by Italian physician and scientist Camillo Golgi (1843 1926) in 1873. It was initially named the black reaction ( la reazione nera ) by Golgi, but it became better known as the Golgi stain or… …   Wikipedia

• John C. Moss — John Calvin Moss (1836 April 8, 1892) invented the first practicable photo engraving process in 1863. It led to a revolution in printing and eventually to the mass marketing of newspapers and magazines and books which combined photographs with… …   Wikipedia

• E number — This article is about the food additive codes. For other uses, see E number (disambiguation). E numbers are number codes for food additives that have been assessed for use within the European Union (the E prefix stands for Europe ).[1] They are… …   Wikipedia

• Hypo — Hy po, n. [Abbrev. from hyposulphite.] (Photog.) Sodium hyposulphite, or thiosulphate, a solution of which is used as a bath to wash out the unchanged silver salts in a picture. [Colloq.] [1913 Webster] …   The Collaborative International Dictionary of English