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Piranha solution, also known as piranha etch, is a mixture of sulfuric acid (H2SO4) and hydrogen peroxide (H2O2). The resulting mixture is used to clean organic residues off substrates, for example silicon wafers. [1] Because the mixture is a strong oxidizing agent, it will decompose most organic matter, and it will also hydroxylate most ...
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Travertine. Travertine (/ ˈtrævərtiːn / TRAV-ər-teen) [1] is a form of terrestrial limestone deposited around mineral springs, especially hot springs. It often has a fibrous or concentric appearance and exists in white, tan, cream-colored, and rusty varieties. [2][3] It is formed by a process of rapid precipitation of calcium carbonate ...
Pros: Walz has served two terms as Minnesota’s governor and six terms in the U.S. Congress, giving him more nuanced leadership experience than many of the VP contenders.
October 14, 2024 at 10:41 AM. True Value is selling "substantially all" of its business to rival Do it Best. True Value, a 75-year old hardware store brand, has filed for bankruptcy and is selling ...
Slate. Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale -type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic rock. [1] Foliation may not correspond to the original sedimentary layering, but instead is in ...
Hurricane Milton made landfall as a powerful Category 3 storm with home-destroying storm surge and devastating winds. Although it has started to weaken, cities across Florida’s Gulf Coast are ...
Slate gray is a gray color with a slight azure tinge that is a representation of the average color of the material slate. As a tertiary color, slate is an equal mix of purple and green pigments. [2][3] Slaty, referring to this color, is often used to describe birds. The first recorded use of slate gray as a color name in English was in 1705.