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Titanium dioxide, also known as titanium(IV) oxide or titania / t aɪ ˈ t eɪ n i ə /, is the inorganic compound derived from titanium with the chemical formula TiO 2. When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or CI 77891. [4] It is a white solid that is insoluble in water, although mineral forms can appear ...
This form of gypsum is contaminated by impurities found in the rock, namely fluoride, silica, radioactive elements such as radium, and heavy metal elements such as cadmium. [31] Similarly, production of titanium dioxide produces titanium gypsum (TG) due to neutralization of excess acid with lime. The product is contaminated with silica ...
Cristal Global is the world's second-largest producer of titanium dioxide and a leading producer of titanium chemicals. [1] It was formed when The National Titanium Dioxide Company Ltd. combined with Millennium Chemicals. [2] The headquarters are in Jeddah, Saudi Arabia.
Iluka Resources is an Australian resources company, specialising in mineral sands exploration, project development, operations and marketing. Iluka is the largest producer of zircon and titanium dioxide–derived rutile and synthetic rutile globally. [1]
Rutile is an oxide mineral composed of titanium dioxide (TiO 2), the most common natural form of TiO 2. Rarer polymorphs of TiO 2 are known, including anatase, akaogiite, and brookite. Rutile has one of the highest refractive indices at visible wavelengths of any known crystal and also exhibits a particularly large birefringence and high ...
In some cases, even organic materials and industrial products or by-products (cement, slag, silica fume) are categorized under industrial minerals, as well as metallic compounds mainly utilized in non-metallic form (as an example most titanium is utilized as an oxide TiO 2 rather than Ti metal).
A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...
Until 1934 titanium oxide was imported to Britain from Germany. [3] Imperial Smelting Corporation, in association with US companies National Lead Company and its associate Titan Company, and Imperial Chemical Industries and Goodlass Wall and Lead Industries Limited together incorporated British Titan Products in 1933, and immediately began erection of a plant for the manufacture of titanium ...