Sapphire is a high-purity and high-density, single-crystalline form of aluminum oxide that may contain chromia, titania, yttria, or other dopants. Sapphire is usually transparent or translucent.

The resultant brown and red layer won't just mar the fixtures' beauty ... action triggers a chemical reaction that breaks the rust down and forms iron and aluminum oxide. In simple terms, the aluminum ...

Like their gemstone cousin the sapphire, rubies are just a variety of corundum, or aluminum oxide. Where sapphire gets its blue tint mainly from iron, rubies get their pink to blood-red hue from ...

Fused aluminum oxide is available in several variations depending on composition and processing such as white (high purity), brown or regular (titanium oxide modified), and pink (chromium oxide ...

Kosas was founded back in 2015 by Sheena Zadeh, who used her biological sciences degree to create cosmetics that nourish ...

Sabraw and his team collect polluted water from mine runoff, neutralize toxicity, extract iron oxide and combine it with acrylic or oil binder to form a range of yellow-, red- and brown-hued paints, ...

Sodium aluminate forms through the chemical reaction of aluminum oxide with sodium hydroxide and water, as follows: The residues sink gradually to the bottom of the tank and are later removed. In the ...

When water evaporates on a surface, it leaves a film of iron that quickly oxidizes to form a tenacious reddish-brown rust ... the oxygen atoms in iron oxide are electrically charged, and they're more ...

Aluminum doesn’t solder well, and that’s because of the oxide layer that rapidly forms on the surface. [Ted]’s solution is to scour the aluminum with some mineral oil. The goal is to scrape ...

An international team of scientists have combined cyclic-olefin copolymers with a powder of aluminum oxide to create a ...

Despite hydrogen's increasing prominence as a future energy source, the safe and large-scale transportation of gaseous ...