In metallurgy, selective leaching, also called dealloying, demetalification, parting and selective corrosion, is a corrosion type in some solid solution...

NiAl. The removal of Al from some phases but not others is known as "selective leaching". The NiAl phase has been shown to provide the structural and thermal...

delicate morphologies composed of electrum. The yellow rims result from selective leaching of silver from the surface of gold particle during river transport...

principally in metal alloys. The less noble metal of the alloy, is selectively leached from the alloy. Removal of zinc from brass is a more common example...

divided into three general areas: Leaching Solution concentration and purification Metal or metal compound recovery Leaching involves the use of aqueous solutions...

the voids at high pressure and initiates cracks in the steel. This selective leaching of carbon is a more serious loss of strength and ductility. HTHA can...

self-healing property of the passive film make the steel stainless. Selective leaching often involves grain boundary depletion mechanisms. These zones also...

underground leaching of uranium ores. In-situ leaching of copper was done by the Chinese by 907 AD, and perhaps as early as 177 BC. Copper is usually leached using...

copper. Brasses can be sensitive to selective leaching corrosion under certain conditions, when zinc is leached from the alloy (dezincification), leaving...

temperature range of 500 to 1200 °C. Internal oxidation is distinct from selective leaching. "ASM Handbook Vol.13 Corrosion", ASM International, 1987, page 8...

500 °C. At high temperatures may boil and create voids. Prone to selective leaching in some environments, which may cause joint failure. Traces of bismuth...

sulfides and hydrogen sulfide smell. On cast iron, a graphitic corrosion selective leaching may be the result, with iron being consumed by the bacteria, leaving...

processing methods such as flotation, agitation, and vat leaching. Additionally, dump leaching is an essential part of most copper mining operations and...

fourth incarnation of the draft came into being in 1940, through the Selective Training and Service Act; this was the country's first peacetime draft...

catalysis is leaching, a form of deactivation where active species on the surface of a solid catalyst are lost in the liquid phase. Leaching is detrimental...

over the coating due to sulfur-containing compounds from the solder mask leaching into the plating bath. The quality and other aspects of ENIG coatings for...

P.; Mišura, B.; Vigdergauz, V.E.; Chanturiya, V.A. (July 1993). "Selective leaching of zinc from mechanically activated complex Cu-Pb-Zn concentrate"...

The Selective Service Act of 1917 or Selective Draft Act (Pub. L. 65–12, 40 Stat. 76, enacted May 18, 1917) authorized the United States federal government...

known as weeds. Selective herbicides control specific weed species while leaving the desired crop relatively unharmed, while non-selective herbicides (sometimes...

to ten times its dry volume. It occurs in soils which have had little leaching, hence it is found in arid regions, although it may also occur in humid...

leaching has been proven to be effective on ores with high soluble copper values or ores which experience preg-robbing. Leaching through bulk leach extractable...

damage human health, environment, and crops. Together with runoff and leaching, drift is a mechanism for agricultural pollution. Some drift results from...

laterites (or oxide type) are highly enriched in iron due to very strong leaching of magnesium and silica. They consist largely of goethite and contain 1–2%...

Rhacodactylus leachianus, commonly known as the New Caledonian giant gecko, Leach's giant gecko, leachianus gecko, or Leachie, is the largest living species...

leaching (57% of world production) or by conventional underground or open-pit mining of ores (43% of production). During in-situ mining, a leaching solution...

(1918), also known as the Selective Draft Law Cases, was a United States Supreme Court decision which upheld the Selective Service Act of 1917, and more...

into aqueous sulfuric acid, usually in a heap leaching or dump leaching. The resulting pregnant leach solution is purified by solvent extraction (SX)...

sum of contributions from both mechanisms (leaching + dissolution): NRi=NRxi+NRh. Diffusion-controlled leaching (ion exchange) is characteristic of the initial...

chlorinated carbon compounds, Saran posed a possible danger to health by leaching, especially on exposure to food in microwave ovens. Accordingly, Saran...

physical and chemical methods include magnetic separation, froth flotation, leaching etc., whereby the impurities and unwanted materials are removed from the...