refining assay

refining assay
проба на степень чистоты (металла)

Англо-русский словарь технических терминов. 2005.

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  • Crude oil assay — A crude oil assay is essentially the chemical evaluation of crude oil feedstocks by petroleum testing laboratories. Each crude oil type has unique molecular, chemical characteristics. No crude oil type is identical and there are crucial… …   Wikipedia

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  • 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

  • metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   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

  • Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …   Wikipedia

  • Denver Mint — U.S. National Register of Historic Places …   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

  • High-throughput screening — (HTS) is a method for scientific experimentation especially used in drug discovery and relevant to the fields of biology and chemistry. Purpose and method Using robotics, data processing and control software, liquid handling devices, and… …   Wikipedia

  • Colorado Labor Wars — Colorado s most significant battles between labor and capital occurred primarily between miners and mine operators. In these battles the state government, with one clear exception, always took the side of the mine operators. Additional… …   Wikipedia

  • Catalytic reforming — is a chemical process used to convert petroleum refinery naphthas, typically having low octane ratings, into high octane liquid products called reformates which are components of high octane gasoline (also known as petrol). Basically, the process …   Wikipedia


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