- refining of platinum metals
- Смотри аффинаж платиновых металлов.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
platinum group — ▪ chemical element group Introduction six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and … Universalium
Platinum prints — Platinum prints, also called platinotypes , are photographic prints made by a monochrome printing process that provides the greatest tonal range of any printing method using chemical development.Unlike the silver print process, platinum lies on… … Wikipedia
Platinum group — The platinum group (alternatively, the platinum group metals or platinum metals) is a collective name sometimes used for six metallic elements clustered together in the periodic table. These elements are all transition metals, lying in the d… … Wikipedia
platinum — /plat n euhm, plat neuhm/, n. 1. Chem. a heavy, grayish white, highly malleable and ductile metallic element, resistant to most chemicals, practically unoxidizable except in the presence of bases, and fusible only at extremely high temperatures:… … Universalium
METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of … Encyclopedia of Judaism
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
Precious metals refining — Precious metal refining is a superordinate term for the separation from noble metalliferous materials. The precious metals are won for example from used catalysts, electronics, ores or alloys. The refining is a very expensive and complex… … Wikipedia
аффинаж платиновых металлов — [refining of platinum metals] многооперационный технологический процесс получения платиновых металлов высокой чистоты путем их разделения и отделения примесей. Сырье для получения платиновых металлов шлиховая Pt, концентраты анодных шламов Cu Ni… … Энциклопедический словарь по металлургии
аффинаж платиновых металлов — Многооперационный технологич. процесс получения п. м. высокой чистоты путем их разделения и отделения примесей. Сырье для получения п. м. — шлиховая Pt, концентраты анодных шламов Cu Ni произв ва, лом вторичных п. м. Концентраты п. м. р… … Справочник технического переводчика
gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… … Universalium