fire assay — noun : an assay in which the material is subjected to high heat (as in fusion, scorifying, and cupellation) … Useful english dictionary
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
Metallurgical assay — A 19th century assay laboratory in Tombstone Courthouse State Historic Park, Arizona … Wikipedia
Andrew Fire — Andrew Z. Fire Andrew Z. Fire (links). Andrew Zachary Fire (* 27. April 1959 in Palo Alto … Deutsch Wikipedia
Andrew Zachary Fire — Andrew Z. Fire Andrew Z. Fire (links). Andrew Zachary Fire (* 27. April 1959 in Palo Alto … Deutsch Wikipedia
Andrew Z. Fire — Andrew Zachary Fire (* 27. April 1959 in Palo Alto, Santa Clara County, Kalifornien) ist ein US amerikanischer Biologe. 2006 erhielt er zusammen mit Craig C. Mello den Nobelpreis für Medizin für ein Verfahren, mit dem sich Gen … Deutsch 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
Cupellation — is a metallurgical process in which ores or alloyed metals are treated under high temperatures and carefully controlled operations in order to separate noble metals, like gold and silver, from base metals like lead, copper, zinc, arsenic,… … Wikipedia
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
Orex Exploration — Inc. Type Public (TSX V: OX) Industry Mining Founded 1987 … 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