- fire assaying
- пробирное определение
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
assaying — In chemical analysis, the process of determining proportions of metal, particularly precious metal, in ores and metallurgical products. The most important assaying technique grew largely out of the experiments of the ancient alchemists and… … Universalium
Metallurgical assay — A 19th century assay laboratory in Tombstone Courthouse State Historic Park, Arizona … Wikipedia
Assay — An assay is a procedure where a property or concentration of an analyte is measured.There are numerous types of assays, such as an antigen capture assay, bioassay, competitive protein binding assay, crude oil assay, four point assay, immunoassay … Wikipedia
silver processing — Introduction preparation of the ore for use in various products. Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… … Universalium
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
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
ПРОБИРНЫЙ АНАЛИЗ — метод количеств. определения металлов (гл. обр. благородных), основанный на сплавлении анализируемой пробы с сухими реагентами и гравиметрич. анализе полученного сплава. Применяется для исследования руд, продуктов их обогащения, сплавов, разл.… … Химическая энциклопедия
De re metallica — Title page of 1556 edition … Wikipedia
Orex Exploration — Inc. Type Public (TSX V: OX) Industry Mining Founded 1987 … Wikipedia
Hallmark — A hallmark is a mark or series of marks struck on items made of precious metals mdash; platinum, gold, silver and in some nations, palladium. General OverviewHallmarks DefinedA hallmark, is an official mark or series of marks struck on items made … Wikipedia
Alchemy — Alchemist redirects here. For other uses, see Alchemist (disambiguation). For other uses, see Alchemy (disambiguation). Page from alchemic treatise of Ramon Llull, 16th century Alchemy is an influential philosophical tradition whose early… … Wikipedia